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CVE-2010-3431

Publication date 24 January 2011

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

The privilege-dropping implementation in the (1) pam_env and (2) pam_mail modules in Linux-PAM (aka pam) 1.1.2 does not check the return value of the setfsuid system call, which might allow local users to obtain sensitive information by leveraging an unintended uid, 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.

Read the notes from the security team

Status

Package Ubuntu Release Status
pam 11.04 natty
Fixed 1.1.2-2ubuntu8.2
10.10 maverick
Fixed 1.1.1-4ubuntu2.2
10.04 LTS lucid
Fixed 1.1.1-2ubuntu5.2
9.10 karmic Ignored end of life
8.04 LTS hardy
Fixed 0.99.7.1-5ubuntu6.3
6.06 LTS dapper Ignored end of life

Notes

mdeslaur

see complete patch list in CVE-2010-3435

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
pam

References

Related Ubuntu Security Notices (USN)

Other references