Detections
Analytics
Cisco StarOS for Cisco ASR 5000 Series Routers Arbitrary File Read (cisco-sa-staros-file-read-L3RDvtey)
medium Nessus Plugin ID 145265
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Synopsis
The remote device is missing a vendor-supplied security patch (cisco-sa-staros-file-read-L3RDvtey)Description
According to its self-reported version, the Cisco StarOS operating system on the remote Cisco ASR 5000 series router is affected by an arbitrary file read vulnerability due to insecure handling of symbolic links. An authenticated, remote attacker can exploit this, by sending a crafted SFTP command, to read arbitrary files on the affected device.Please see the included Cisco BID and Cisco Security Advisory for more information.
Solution
Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvv34230See Also
Plugin Details
Severity: Medium
ID: 145265
File Name: cisco-sa-staros-file-read-L3RDvtey.nasl
Version: 1.6
Type: local
Family: CISCO
Published: 1/22/2021
Updated: 6/3/2021
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Medium
Base Score: 4
Temporal Score: 3
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N
CVSS Score Source: CVE-2021-1145
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.7
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:cisco:asr_5000_series
Required KB Items: Host/Cisco/ASR/Model, Host/Cisco/StarOS, Host/Cisco/StarOS/Version
Exploit Ease: No known exploits are available
Patch Publication Date: 1/13/2021
Vulnerability Publication Date: 1/13/2021
Reference Information
CVE: CVE-2021-1145