CVE-2020-13881

In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if the DEBUG loglevel and journald are used.

CVSS v3.0 7.5 HIGH
CVSS v2.0 4.3 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:N/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/kravietz/pam_tacplus/issues/149	Issue Tracking Third Party Advisory
https://github.com/kravietz/pam_tacplus/commit/4a9852c31c2fd0c0e72fbb689a586aabcfb11cb0	Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/06/08/1	Mailing List Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00007.html	Mailing List Third Party Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/11705-security-advisory-50	Third Party Advisory
https://usn.ubuntu.com/4521-1/	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00006.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:pam_tacplus_project:pam_tacplus:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:20.04::::lts:::

Configuration 4 (hide)

cpe:2.3:a:arista:cloudvision_portal:*:*:*:*:*:*:*:*

Information

Published : 2020-06-06 12:15

Updated : 2022-04-05 08:04

NVD link : CVE-2020-13881

Mitre link : CVE-2020-13881

JSON object : View

CWE

CWE-532

Insertion of Sensitive Information into Log File

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Products Affected

debian

debian_linux

canonical

ubuntu_linux

arista

cloudvision_portal

pam_tacplus_project

pam_tacplus

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