High severity · published Jun 6, 2020
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
7.5
CVSS
1.7%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CP
Cloudvision Portal · Arista
before 2020.1.2 · source: NVD
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
PT
Pam Tacplus · Pam Tacplus Project
1.3.8 through 1.5.1 · source: NVD
UL
Ubuntu Linux · Canonical
16.04; 18.04; 20.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13881
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-13881
Mailing List
http://www.openwall.com/lists/oss-security/2020/06/08/1
Patch
https://github.com/kravietz/pam_tacplus/commit/4a9852c31c2fd0c0e72fbb689a586aabcfb11cb0
Issue Tracking
https://github.com/kravietz/pam_tacplus/issues/149
Mailing List
https://lists.debian.org/debian-lts-announce/2020/06/msg00007.html
Mailing List
https://lists.debian.org/debian-lts-announce/2021/08/msg00006.html
Third Party Advisory
https://usn.ubuntu.com/4521-1/
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