According to the versions of the openssl packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - The X.509 GeneralName type is a generic type for     representing different types of names. One of those     name types is known as EDIPartyName. OpenSSL provides a     function GENERAL_NAME_cmp which compares different     instances of a GENERAL_NAME to see if they are equal or     not. This function behaves incorrectly when both     GENERAL_NAMEs contain an EDIPARTYNAME. A NULL pointer     dereference and a crash may occur leading to a possible     denial of service attack. OpenSSL itself uses the     GENERAL_NAME_cmp function for two purposes: 1)     Comparing CRL distribution point names between an     available CRL and a CRL distribution point embedded in     an X509 certificate 2) When verifying that a timestamp     response token signer matches the timestamp authority     name (exposed via the API functions     TS_RESP_verify_response and TS_RESP_verify_token) If an     attacker can control both items being compared then     that attacker could trigger a crash. For example if the     attacker can trick a client or server into checking a     malicious certificate against a malicious CRL then this     may occur. Note that some applications automatically     download CRLs based on a URL embedded in a certificate.
    This checking happens prior to the signatures on the     certificate and CRL being verified. OpenSSL's s_server,     s_client and verify tools have support for the     '-crl_download' option which implements automatic CRL     downloading and this attack has been demonstrated to     work against those tools. Note that an unrelated bug     means that affected versions of OpenSSL cannot parse or     construct correct encodings of EDIPARTYNAME. However it     is possible to construct a malformed EDIPARTYNAME that     OpenSSL's parser will accept and hence trigger this     attack. All OpenSSL 1.1.1 and 1.0.2 versions are     affected by this issue. Other OpenSSL releases are out     of support and have not been checked. Fixed in OpenSSL     1.1.1i (Affected 1.1.1-1.1.1h). Fixed in OpenSSL 1.0.2x     (Affected 1.0.2-1.0.2w).(CVE-2020-1971)

  - Calls to EVP_CipherUpdate, EVP_EncryptUpdate and     EVP_DecryptUpdate may overflow the output length     argument in some cases where the input length is close     to the maximum permissable length for an integer on the     platform. In such cases the return value from the     function call will be 1 (indicating success), but the     output length value will be negative. This could cause     applications to behave incorrectly or crash. OpenSSL     versions 1.1.1i and below are affected by this issue.
    Users of these versions should upgrade to OpenSSL     1.1.1j. OpenSSL versions 1.0.2x and below are affected     by this issue. However OpenSSL 1.0.2 is out of support     and no longer receiving public updates. Premium support     customers of OpenSSL 1.0.2 should upgrade to 1.0.2y.
    Other users should upgrade to 1.1.1j. Fixed in OpenSSL     1.1.1j (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y     (Affected 1.0.2-1.0.2x).(CVE-2021-23840)

  - The OpenSSL public API function     X509_issuer_and_serial_hash() attempts to create a     unique hash value based on the issuer and serial number     data contained within an X509 certificate. However it     fails to correctly handle any errors that may occur     while parsing the issuer field (which might occur if     the issuer field is maliciously constructed). This may     subsequently result in a NULL pointer deref and a crash     leading to a potential denial of service attack. The     function X509_issuer_and_serial_hash() is never     directly called by OpenSSL itself so applications are     only vulnerable if they use this function directly and     they use it on certificates that may have been obtained     from untrusted sources. OpenSSL versions 1.1.1i and     below are affected by this issue. Users of these     versions should upgrade to OpenSSL 1.1.1j. OpenSSL     versions 1.0.2x and below are affected by this issue.
    However OpenSSL 1.0.2 is out of support and no longer     receiving public updates. Premium support customers of     OpenSSL 1.0.2 should upgrade to 1.0.2y. Other users     should upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j     (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y     (Affected 1.0.2-1.0.2x).(CVE-2021-23841)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:5639 advisory.

  - openssl: EDIPARTYNAME NULL pointer de-reference (CVE-2020-1971)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the versions of the shim package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - While parsing an IPAddressFamily extension in an X.509 certificate, it is possible to do a one-byte     overread. This would result in an incorrect text display of the certificate. This bug has been present     since 2006 and is present in all versions of OpenSSL before 1.0.2m and 1.1.0g. (CVE-2017-3735)

  - OpenSSL 1.0.2 (starting from version 1.0.2b) introduced an 'error state' mechanism. The intent was that if     a fatal error occurred during a handshake then OpenSSL would move into the error state and would     immediately fail if you attempted to continue the handshake. This works as designed for the explicit     handshake functions (SSL_do_handshake(), SSL_accept() and SSL_connect()), however due to a bug it does not     work correctly if SSL_read() or SSL_write() is called directly. In that scenario, if the handshake fails     then a fatal error will be returned in the initial function call. If SSL_read()/SSL_write() is     subsequently called by the application for the same SSL object then it will succeed and the data is passed     without being decrypted/encrypted directly from the SSL/TLS record layer. In order to exploit this issue     an application bug would have to be present that resulted in a call to SSL_read()/SSL_write() being issued     after having already received a fatal error. OpenSSL version 1.0.2b-1.0.2m are affected. Fixed in OpenSSL     1.0.2n. OpenSSL 1.1.0 is not affected. (CVE-2017-3737)

  - During key agreement in a TLS handshake using a DH(E) based ciphersuite a malicious server can send a very     large prime value to the client. This will cause the client to spend an unreasonably long period of time     generating a key for this prime resulting in a hang until the client has finished. This could be exploited     in a Denial Of Service attack. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL     1.0.2p-dev (Affected 1.0.2-1.0.2o). (CVE-2018-0732)

  - The OpenSSL RSA Key generation algorithm has been shown to be vulnerable to a cache timing side channel     attack. An attacker with sufficient access to mount cache timing attacks during the RSA key generation     process could recover the private key. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in     OpenSSL 1.0.2p-dev (Affected 1.0.2b-1.0.2o). (CVE-2018-0737)

  - Constructed ASN.1 types with a recursive definition (such as can be found in PKCS7) could eventually     exceed the stack given malicious input with excessive recursion. This could result in a Denial Of Service     attack. There are no such structures used within SSL/TLS that come from untrusted sources so this is     considered safe. Fixed in OpenSSL 1.1.0h (Affected 1.1.0-1.1.0g). Fixed in OpenSSL 1.0.2o (Affected     1.0.2b-1.0.2n). (CVE-2018-0739)

  - In situations where an attacker receives automated notification of the success or failure of a decryption     attempt an attacker, after sending a very large number of messages to be decrypted, can recover a     CMS/PKCS7 transported encryption key or decrypt any RSA encrypted message that was encrypted with the     public RSA key, using a Bleichenbacher padding oracle attack. Applications are not affected if they use a     certificate together with the private RSA key to the CMS_decrypt or PKCS7_decrypt functions to select the     correct recipient info to decrypt. Fixed in OpenSSL 1.1.1d (Affected 1.1.1-1.1.1c). Fixed in OpenSSL     1.1.0l (Affected 1.1.0-1.1.0k). Fixed in OpenSSL 1.0.2t (Affected 1.0.2-1.0.2s). (CVE-2019-1563)

  - The X.509 GeneralName type is a generic type for representing different types of names. One of those name     types is known as EDIPartyName. OpenSSL provides a function GENERAL_NAME_cmp which compares different     instances of a GENERAL_NAME to see if they are equal or not. This function behaves incorrectly when both     GENERAL_NAMEs contain an EDIPARTYNAME. A NULL pointer dereference and a crash may occur leading to a     possible denial of service attack. OpenSSL itself uses the GENERAL_NAME_cmp function for two purposes: 1)     Comparing CRL distribution point names between an available CRL and a CRL distribution point embedded in     an X509 certificate 2) When verifying that a timestamp response token signer matches the timestamp     authority name (exposed via the API functions TS_RESP_verify_response and TS_RESP_verify_token) If an     attacker can control both items being compared then that attacker could trigger a crash. For example if     the attacker can trick a client or server into checking a malicious certificate against a malicious CRL     then this may occur. Note that some applications automatically download CRLs based on a URL embedded in a     certificate. This checking happens prior to the signatures on the certificate and CRL being verified.
    OpenSSL's s_server, s_client and verify tools have support for the '-crl_download' option which implements     automatic CRL downloading and this attack has been demonstrated to work against those tools. Note that an     unrelated bug means that affected versions of OpenSSL cannot parse or construct correct encodings of     EDIPARTYNAME. However it is possible to construct a malformed EDIPARTYNAME that OpenSSL's parser will     accept and hence trigger this attack. All OpenSSL 1.1.1 and 1.0.2 versions are affected by this issue.
    Other OpenSSL releases are out of support and have not been checked. Fixed in OpenSSL 1.1.1i (Affected     1.1.1-1.1.1h). Fixed in OpenSSL 1.0.2x (Affected 1.0.2-1.0.2w). (CVE-2020-1971)

  - Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument     in some cases where the input length is close to the maximum permissable length for an integer on the     platform. In such cases the return value from the function call will be 1 (indicating success), but the     output length value will be negative. This could cause applications to behave incorrectly or crash.
    OpenSSL versions 1.1.1i and below are affected by this issue. Users of these versions should upgrade to     OpenSSL 1.1.1j. OpenSSL versions 1.0.2x and below are affected by this issue. However OpenSSL 1.0.2 is out     of support and no longer receiving public updates. Premium support customers of OpenSSL 1.0.2 should     upgrade to 1.0.2y. Other users should upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i).
    Fixed in OpenSSL 1.0.2y (Affected 1.0.2-1.0.2x). (CVE-2021-23840)

  - The OpenSSL public API function X509_issuer_and_serial_hash() attempts to create a unique hash value based     on the issuer and serial number data contained within an X509 certificate. However it fails to correctly     handle any errors that may occur while parsing the issuer field (which might occur if the issuer field is     maliciously constructed). This may subsequently result in a NULL pointer deref and a crash leading to a     potential denial of service attack. The function X509_issuer_and_serial_hash() is never directly called by     OpenSSL itself so applications are only vulnerable if they use this function directly and they use it on     certificates that may have been obtained from untrusted sources. OpenSSL versions 1.1.1i and below are     affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1j. OpenSSL versions 1.0.2x     and below are affected by this issue. However OpenSSL 1.0.2 is out of support and no longer receiving     public updates. Premium support customers of OpenSSL 1.0.2 should upgrade to 1.0.2y. Other users should     upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y (Affected     1.0.2-1.0.2x). (CVE-2021-23841)

  - ASN.1 strings are represented internally within OpenSSL as an ASN1_STRING structure which contains a     buffer holding the string data and a field holding the buffer length. This contrasts with normal C strings     which are repesented as a buffer for the string data which is terminated with a NUL (0) byte. Although not     a strict requirement, ASN.1 strings that are parsed using OpenSSL's own 'd2i' functions (and other similar     parsing functions) as well as any string whose value has been set with the ASN1_STRING_set() function will     additionally NUL terminate the byte array in the ASN1_STRING structure. However, it is possible for     applications to directly construct valid ASN1_STRING structures which do not NUL terminate the byte array     by directly setting the 'data' and 'length' fields in the ASN1_STRING array. This can also happen by using     the ASN1_STRING_set0() function. Numerous OpenSSL functions that print ASN.1 data have been found to     assume that the ASN1_STRING byte array will be NUL terminated, even though this is not guaranteed for     strings that have been directly constructed. Where an application requests an ASN.1 structure to be     printed, and where that ASN.1 structure contains ASN1_STRINGs that have been directly constructed by the     application without NUL terminating the 'data' field, then a read buffer overrun can occur. The same thing     can also occur during name constraints processing of certificates (for example if a certificate has been     directly constructed by the application instead of loading it via the OpenSSL parsing functions, and the     certificate contains non NUL terminated ASN1_STRING structures). It can also occur in the     X509_get1_email(), X509_REQ_get1_email() and X509_get1_ocsp() functions. If a malicious actor can cause an     application to directly construct an ASN1_STRING and then process it through one of the affected OpenSSL     functions then this issue could be hit. This might result in a crash (causing a Denial of Service attack).
    It could also result in the disclosure of private memory contents (such as private keys, or sensitive     plaintext). Fixed in OpenSSL 1.1.1l (Affected 1.1.1-1.1.1k). Fixed in OpenSSL 1.0.2za (Affected     1.0.2-1.0.2y). (CVE-2021-3712)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

An update of the mysql package has been released.

The version of IBM Cognos Analytics installed on the remote host is prior to 11.1.7 FP8, 11.2.4 FP3, or 12.0.2. It is, therefore, affected by multiple vulnerabilities as referenced in the IBM Security Bulletin No. 7123154, including the following:

  - When deserializing untrusted or corrupted data, it is possible for a reader to consume memory beyond the   allowed constraints and thus lead to out of memory on the system. This issue affects Java applications using   Apache Avro Java SDK up to and including 1.11.2. Users should update to apache-avro version 1.11.3 which   addresses this issue. (CVE-2023-39410)

  - In order to decrypt SM2 encrypted data an application is expected to call the API function   EVP_PKEY_decrypt(). Typically an application will call this function twice. The first time, on entry, the   'out' parameter can be NULL and, on exit, the 'outlen' parameter is populated with the buffer size required   to hold the decrypted plaintext. The application can then allocate a sufficiently sized buffer and call   EVP_PKEY_decrypt() again, but this time passing a non-NULL value for the 'out' parameter. A bug in the   implementation of the SM2 decryption code means that the calculation of the buffer size required to hold the   plaintext returned by the first call to EVP_PKEY_decrypt() can be smaller than the actual size required by   the second call. This can lead to a buffer overflow when EVP_PKEY_decrypt() is called by the application a   second time with a buffer that is too small. A malicious attacker who is able present SM2 content for   decryption to an application could cause attacker chosen data to overflow the buffer by up to a maximum of   62 bytes altering the contents of other data held after the buffer, possibly changing application behaviour   or causing the application to crash. The location of the buffer is application dependent but is typically   heap allocated. Fixed in OpenSSL 1.1.1l (Affected 1.1.1-1.1.1k). (CVE-2021-3711)

  - SnakeYaml's Constructor() class does not restrict types which can be instantiated during deserialization.
  Deserializing yaml content provided by an attacker can lead to remote code execution. We recommend using   SnakeYaml's SafeConsturctor when parsing untrusted content to restrict deserialization. We recommend   upgrading to version 2.0 and beyond. (CVE-2022-1471)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
151385	EulerOS Virtualization 3.0.2.2 : openssl (EulerOS-SA-2021-2154)	Nessus	Huawei Local Security Checks	7/6/2021	12/11/2023	high
144505	RHEL 7 : openssl (RHSA-2020:5639)	Nessus	Red Hat Local Security Checks	12/21/2020	4/28/2024	medium
155496	EulerOS Virtualization 2.9.0 : shim (EulerOS-SA-2021-2785)	Nessus	Huawei Local Security Checks	11/17/2021	11/23/2023	high
164599	Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-5.15.5)	Nessus	Misc.	9/1/2022	4/8/2024	critical
148357	Photon OS 4.0: Mysql PHSA-2021-4.0-0007	Nessus	PhotonOS Local Security Checks	4/7/2021	1/5/2024	critical
193868	IBM Cognos Analytics 11.1.1 < 11.1.7 FP8 / 11.2.x < 11.2.4 FP3 / 12.0.x < 12.0.2 (7123154)	Nessus	CGI abuses	4/25/2024	4/26/2024	critical

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