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Alerts This Week
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Gentoo: GLSA-201405-18 Normal: OpenConnect Denial of Service Risk

gentoo
Calendar Grey May 18, 2014
Scroller Gentoo
The Gentoo GLSA 202201-12 advisory warns of a serious security flaw in OpenConnect that may cause buffer overflow, allowing for remote code execution and denial of service risks
A buffer overflow in OpenConnect could result in execution of arbitrary code or Denial of Service.

Summary

A stack-based buffer overflow error has been discovered in OpenConnect.

Topics%20covered

Topics Covered

security advisory Gentoo buffer overflow arbitrary code execution Denial of Service normal severity OpenConnect

Resolution

All OpenConnect users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/openconnect-4.08"

References

[ 1 ] CVE-2012-6128 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-6128

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201405-18
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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: OpenConnect: User-assisted execution of arbitrary code
Date: May 18, 2014
Bugs: #457068
ID: 201405-18

Topics%20covered

Topics Covered

security advisory Gentoo buffer overflow arbitrary code execution Denial of Service normal severity OpenConnect

Synopsis

A buffer overflow in OpenConnect could result in execution of arbitrary code or Denial of Service.

Background

OpenConnect is a free client for Cisco AnyConnect SSL VPN software.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/openconnect < 4.08 >= 4.08

Impact

===== A remote attacker could entice a user to connect to a malicious VPN server, possibly resulting in execution of arbitrary code with the privileges of the process, or a Denial of Service condition.

Workaround

There is no known workaround at this time.