CVE-2015-3245

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2015-08-11 · updated 2026-06-17
Weakness: CWE-20

Description

Incomplete blacklist vulnerability in the chfn function in libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, allows local users to cause a denial of service (/etc/passwd corruption) via a newline character in the GECOS field.

Affected products

RedHat Libuser: through 0.56.13-5; 0.60-1, 0.60-2, 0.60-3, 0.60-4, 0.60-5, 0.60-6

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163044.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162947.html
http://rhn.redhat.com/errata/RHSA-2015-1482.html
http://rhn.redhat.com/errata/RHSA-2015-1483.html
http://www.securityfocus.com/bid/76021
http://www.securitytracker.com/id/1033040
https://access.redhat.com/articles/1537873
https://www.exploit-db.com/exploits/44633/
https://www.qualys.com/2015/07/23/cve-2015-3245-cve-2015-3246/cve-2015-3245-cve-2015-3246.txt
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163044.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162947.html
http://rhn.redhat.com/errata/RHSA-2015-1482.html

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