Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 547
Alerts This Week
Warning Icon 1 547

Gentoo: GLSA-201709-04 Moderate: mod_gnutls Certificate Spoofing

gentoo
Calendar Grey September 17, 2017
Dist Gentoo Esm H88
Enhance the mod_gnutls package on Gentoo to address a routine severity threat concerning certificate impersonation that may impact remote users.
A vulnerability in mod_gnutls allows remote attackers to spoof clients via crafted certificates.

Summary

It was discovered that the authentication hook in mod_gnutls does not validate client's certificates even when option "GnuTLSClientVerify" is set to "require".

Topics%20covered

Topics Covered

security advisory gentoo remote attack normal severity certificate spoofing mod_gnutls

Resolution

All mod_gnutls users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=www-apache/mod_gnutls-0.7.3"

References

[ 1 ] CVE-2015-2091 https://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2091

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201709-04
style>.gentoo_availability{display:block;}

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: mod_gnutls: Certificate validation error
Date: September 17, 2017
Bugs: #541038
ID: 201709-04

Topics%20covered

Topics Covered

security advisory gentoo remote attack normal severity certificate spoofing mod_gnutls

Synopsis

A vulnerability in mod_gnutls allows remote attackers to spoof clients via crafted certificates.

Background

mod_gnutls is an extension for ​Apache's httpd. It uses the ​GnuTLS library to provide HTTPS. It supports some protocols and features that mod_ssl does not.

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 www-apache/mod_gnutls < 0.7.3 >= 0.7.3

Impact

===== A remote attacker could present a crafted certificate and spoof clients data.

Workaround

There is no known workaround at this time.