CVE-2011-3148

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

Link	Tags
https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874469
http://security.gentoo.org/glsa/glsa-201206-31.xml	vendor advisory
http://www.ubuntu.com/usn/USN-1237-1	vendor advisory
http://secunia.com/advisories/46583	third party advisory vendor advisory
http://secunia.com/advisories/49711	third party advisory vendor advisory
http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=caf5e7f61c8d9288daa49b4f61962e6b1239121d

Frequently Asked Questions

What is the severity of CVE-2011-3148?: CVE-2011-3148 has been scored as a medium severity vulnerability.
How to fix CVE-2011-3148?: To fix CVE-2011-3148, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-3148 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2011-3148 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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Description

Category

CWE-119 – Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Frequently Asked Questions