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Gentoo: GLSA-201406-07 Normal: Echoping Denial of Service

gentoo
Calendar Grey June 6, 2014
Scroller Gentoo
The open-source library has a critical vulnerability that may lead to Denial of Service on Fedora systems. Ensure you patch immediately for enhanced protection.
A buffer overflow in Echoping might allow remote attackers to cause a Denial of Service condition.

Summary

A boundary error exists within the "TLS_readline()" function, which can be exploited to overflow a global buffer by sending an overly long encrypted HTTP reply to Echoping. Also, a similar boundary error exists within the "SSL_readline()" function, which can be exploited in the same manner.

Topics%20covered

Topics Covered

security advisory denial of service gentoo buffer overflow patch normal severity echoping

Resolution

All Echoping users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot -v ">=net-analyzer/echoping-6.0.2_p434"

References

[ 1 ] CVE-2010-5111 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-5111

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201406-07
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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: Echoping: Buffer Overflow Vulnerabilities
Date: June 06, 2014
Bugs: #349569
ID: 201406-07

Topics%20covered

Topics Covered

security advisory denial of service gentoo buffer overflow patch normal severity echoping

Synopsis

A buffer overflow in Echoping might allow remote attackers to cause a Denial of Service condition.

Background

Echoping is a small program to test performances of a remote host by sending it TCP packets.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-analyzer/echoping < 6.0.2_p434 >= 6.0.2_p434

Impact

===== A remote attacker could send a specially crafted HTTP reply, possibly resulting in a Denial of Service condition.

Workaround

There is no known workaround at this time.