CVE-2015-3245

libuser <0.56.13-8 & 0.60 - DoS

Title source: llm

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.

Exploits (3)

exploitdb WORKING POC VERIFIED

by Metasploit · rubylocallinux

https://www.exploit-db.com/exploits/44633

View Code ZIP pw:eip

exploitdb WRITEUP

doslinux

https://www.exploit-db.com/exploits/37706

View Code ZIP pw:eip

metasploit WORKING POC GREAT

by Qualys, bcoles · rubypoc

https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/libuser_roothelper_priv_esc.rb

View Code ZIP pw:eip

References (9)

[Vendor Advisory] http://rhn.redhat.com/errata/RHSA-2015-1482.html

[Vendor Advisory] http://rhn.redhat.com/errata/RHSA-2015-1483.html

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1033040

[Vendor Advisory] https://access.redhat.com/articles/1537873

[Exploit] https://www.qualys.com/2015/07/23/cve-2015-3245-cve-2015-3246/cve-2015-3245-cve-2015-3246.txt

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/76021

[Mailing List, Third Party Advisory] http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163044.html

[Mailing List, Third Party Advisory] http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162947.html

[Exploit, Third Party Advisory] https://www.exploit-db.com/exploits/44633/

Scores

EPSS 0.1116

EPSS Percentile 93.5%

Details

CWE

CWE-20

Status published

Products (7)

redhat/libuser 0.60-1

redhat/libuser 0.60-2

redhat/libuser 0.60-3

redhat/libuser 0.60-4

redhat/libuser 0.60-5

redhat/libuser 0.60-6

redhat/libuser < 0.56.13-5

Published Aug 11, 2015

Tracked Since Feb 18, 2026