CVE-2011-3148
4.6 · MEDIUMStack-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 exec…
Overview
CVE-2011-3148 is a medium-severity vulnerability affecting linux-pam linux-pam. It was published on July 22, 2012 and has a CVSS 2.0 base score of 4.6 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from linux-pam. Update linux-pam to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| linux-pam | linux-pam | 0 | Affected |
References
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Frequently asked questions
What is CVE-2011-3148?
CVE-2011-3148 is a medium-severity vulnerability affecting linux-pam linux-pam. It was published on July 22, 2012 and has a CVSS 2.0 base score of 4.6 (MEDIUM).
How severe is CVE-2011-3148?
This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2011-3148?
Check the references section for vendor advisories and patches from linux-pam. Update linux-pam to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2011-3148?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-3148 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
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