Vulnerability Details : CVE-2011-3148
Potential exploit
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.
Vulnerability category: OverflowExecute codeDenial of service
Products affected by CVE-2011-3148
- cpe:2.3:a:linux-pam:linux-pam:*:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:0.99.9.0:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:0.99.6.3:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:0.99.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:0.99.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:0.99.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:0.99.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:0.99.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:0.99.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:1.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:0.99.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:0.99.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:0.99.10.0:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:1.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:0.99.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:0.99.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:0.99.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:0.99.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:0.99.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:1.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:1.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:1.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:1.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:linux-pam:linux-pam:1.1.3:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-3148
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-3148
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST |
CWE ids for CVE-2011-3148
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-3148
-
http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=caf5e7f61c8d9288daa49b4f61962e6b1239121d
Infrastructure/Fedorahosted-retirement - Fedora Project Wiki
-
http://secunia.com/advisories/46583
Sign inVendor Advisory
-
http://security.gentoo.org/glsa/glsa-201206-31.xml
Linux-PAM: Multiple vulnerabilities (GLSA 201206-31) — Gentoo security
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https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874469
Bug #874469 “stack buffer overflow in pam_env” : Bugs : pam package : Ubuntu
-
http://secunia.com/advisories/49711
Sign inVendor Advisory
-
http://git.fedorahosted.org/git/?p=linux-pam.git;a=commitdiff;h=caf5e7f61c8d9288daa49b4f61962e6b1239121d
Infrastructure/Fedorahosted-retirement - Fedora Project WikiExploit;Patch
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http://www.ubuntu.com/usn/USN-1237-1
USN-1237-1: PAM vulnerabilities | Ubuntu security notices
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