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CVE-2010-3435

4.7 · MEDIUM

The (1) pam_env and (2) pam_mail modules in Linux-PAM (aka pam) before 1.1.2 use root privileges during read access to files and directories that belong to arbitrary user accounts, which might allo…

Published Jan 24, 2011linux-pamEPSS 0.35%

Overview

CVE-2010-3435 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 (1) pam_env and (2) pam_mail modules in Linux-PAM (aka pam) before 1.1.2 use root privileges during read access to files and directories that belong to arbitrary user accounts, which might allow local users to obtain sensitive information by leveraging this filesystem activity, as demonstrated by a symlink attack on the .pam_environment file in a user's home directory.

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
linux-pamlinux-pam0Affected

References

Refgit.altlinux.org/people/ldv/packages/?p=pam.git%3Ba=commit%3Bh=06f882f30092a39a1db867c9744b2ca8d60e4ad6Reflists.vmware.com/pipermail/security-announce/2011/000126.htmlRefopenwall.com/lists/oss-security/2010/09/21/3Refopenwall.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/2010/09/27/8Refopenwall.com/lists/oss-security/2010/10/25/2Refsecunia.com/advisories/49711

How CyberStrike helps

Frequently asked questions

What is CVE-2010-3435?

CVE-2010-3435 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-2010-3435?

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-2010-3435?

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-2010-3435?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2010-3435 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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