CVE-2011-3148

critical

Description

Stack-based buffer overflow in the _assemble_line function in modules/pam_env/pam_env.c in Linux-PAM (aka pam) before 1.1.5 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via a long string of white spaces at the beginning of the ~/.pam_environment file.

References

https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874469

http://www.ubuntu.com/usn/USN-1237-1

http://security.gentoo.org/glsa/glsa-201206-31.xml

http://secunia.com/advisories/49711

http://secunia.com/advisories/46583

http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=caf5e7f61c8d9288daa49b4f61962e6b1239121d

Details

Source: Mitre, NVD

Published: 2012-07-22

Risk Information

CVSS v2

Base Score: 4.6

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

Severity: Medium

CVSS v3

Base Score: 9.8

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

Severity: Critical