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Alerts This Week
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Gentoo: 201402-12 Moderate: PAM S/Key Information Disclosure

gentoo
Calendar Grey February 9, 2014
Scroller Gentoo
Gentoo GLSA 202303-18 covers a potential vulnerability in OpenSSL that may allow remote attackers to exploit weaknesses and gain unauthorized access to sensitive systems.
PAM S/Key does not clear provided credentials from memory, allowing local attackers to gain access to cleartext credentials.

Summary

Ulrich Müller reported that a Gentoo patch to PAM S/Key does not remove credentials provided by the user from memory.

Topics%20covered

Topics Covered

security advisory gentoo memory leak information disclosure normal severity pam s/key credentials exposure

Resolution

All PAM S/Key users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=sys-auth/pam_skey-1.1.5-r5"

References

[ 1 ] CVE-2013-4285 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4285

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201402-12
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: PAM S/Key: Information disclosure
Date: February 09, 2014
Bugs: #482588
ID: 201402-12

Topics%20covered

Topics Covered

security advisory gentoo memory leak information disclosure normal severity pam s/key credentials exposure

Synopsis

PAM S/Key does not clear provided credentials from memory, allowing local attackers to gain access to cleartext credentials.

Background

PAM S/Key is a pluggable authentication module for the OpenBSD Single-key Password system.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-auth/pam_skey < 1.1.5-r5 >= 1.1.5-r5

Impact

===== A local attacker with privileged access could inspect a memory dump to gain access to cleartext credentials provided by users.

Workaround

There is no known workaround at this time.