Gentoo: GLSA-202103-12 Critical Risk: Network Protocol Stack Vulnerability
gentoo
January 23, 2017
A buffer overflow in PPP might allow remote attackers to cause a Denial of Service condition.
Summary
A buffer overflow was discovered in the rc_mksid function in plugins/radius/util.c in PPP when the PID for pppd is greater than 65535.
Topics Covered
Resolution
All PPP users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dialup/ppp-2.4.7-r3"
References
[ 1 ] CVE-2015-3310 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3310
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201701-50
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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.
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Severity: Normal
Title: PPP: Buffer overflow
Date: January 23, 2017
Bugs: #546554
ID: 201701-50
Topics Covered
Background
PPP is a Unix implementation of the Point-to-Point Protocol
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Affected Packages
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Package / Vulnerable / Unaffected
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1 net-dialup/ppp < 2.4.7-r3 >= 2.4.7-r3
Impact
=====
A remote attacker could cause a Denial of Service condition.
Workaround
There is no known workaround at this time.
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