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CVE-2010-3430

4.7 · MEDIUM

The privilege-dropping implementation in the (1) pam_env and (2) pam_mail modules in Linux-PAM (aka pam) 1.1.2 does not perform the required setfsgid and setgroups system calls, which might allow l…

Published Jan 24, 2011linux-pamEPSS 0.34%

Overview

CVE-2010-3430 is a medium-severity vulnerability affecting linux-pam linux-pam. It was published on January 24, 2011 and has a CVSS 2.0 base score of 4.7 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The privilege-dropping implementation in the (1) pam_env and (2) pam_mail modules in Linux-PAM (aka pam) 1.1.2 does not perform the required setfsgid and setgroups system calls, which might allow local users to obtain sensitive information by leveraging unintended group permissions, as demonstrated by a symlink attack on the .pam_environment file in a user's home directory. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-3435.

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

VendorProductVersionsStatus

References

Refgit.altlinux.org/people/ldv/packages/?p=pam.git%3Ba=commit%3Bh=843807a3a90f52e7538be756616510730a24739aRefopenwall.com/lists/oss-security/2010/09/21/10Refopenwall.com/lists/oss-security/2010/09/21/3Refopenwall.com/lists/oss-security/2010/09/21/8Refopenwall.com/lists/oss-security/2010/09/21/9Refopenwall.com/lists/oss-security/2010/09/27/10Refopenwall.com/lists/oss-security/2010/09/27/4Refopenwall.com/lists/oss-security/2010/09/27/5Refopenwall.com/lists/oss-security/2010/09/27/7Refopenwall.com/lists/oss-security/2010/10/03/1

How CyberStrike helps

Frequently asked questions

What is CVE-2010-3430?

CVE-2010-3430 is a medium-severity vulnerability affecting linux-pam linux-pam. It was published on January 24, 2011 and has a CVSS 2.0 base score of 4.7 (MEDIUM).

How severe is CVE-2010-3430?

This vulnerability has a CVSS 2.0 base score of 4.7, 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-2010-3430?

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-2010-3430?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2010-3430 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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