CVE-2015-3246

high

Description

libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, directly modifies /etc/passwd, which allows local users to cause a denial of service (inconsistent file state) by causing an error during the modification. NOTE: this issue can be combined with CVE-2015-3245 to gain privileges.

References

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

https://access.redhat.com/articles/1537873

http://www.securitytracker.com/id/1033040

http://www.securityfocus.com/bid/76022

http://rhn.redhat.com/errata/RHSA-2015-1483.html

http://rhn.redhat.com/errata/RHSA-2015-1482.html

http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00000.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162947.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163044.html

Details

Source: Mitre, NVD

Published: 2015-08-11

Updated: 2018-05-20

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High