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Alerts This Week
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Gentoo: GLSA-201412-19 Normal: PPP Integer Overflow Risk

gentoo
Calendar Grey December 13, 2014
Scroller Gentoo
Critical buffer overflow flaw in PPP puts sensitive information at risk for local users on Gentoo Linux systems. Immediate patch is recommended.
An integer overflow in PPP might allow local attackers to obtain sensitive information.

Summary

Integer overflow is discovered in the getword function in options.c in PPP.

Topics%20covered

Topics Covered

security advisory gentoo integer overflow local attack information disclosure normal ppp

Resolution

All PPP users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-dialup/ppp-2.4.7"

References

[ 1 ] CVE-2014-3158 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3158

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201412-19
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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: PPP: Information disclosure
Date: December 13, 2014
Bugs: #519650
ID: 201412-19

Topics%20covered

Topics Covered

security advisory gentoo integer overflow local attack information disclosure normal ppp

Synopsis

An integer overflow in PPP might allow local attackers to obtain sensitive information.

Background

PPP is a Unix implementation of the Point-to-Point Protocol.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-dialup/ppp < 2.4.7 >= 2.4.7

Impact

===== A local attacker could execute process with extremely long options list, possibly obtaining sensitive information.

Workaround

There is no known workaround at this time.