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Home >> Browse Vulnerability Assessment Database >> Red Hat Local Security Checks >> RHSA-2006-0207: gnutls


Vulnerability Assessment Details

RHSA-2006-0207: gnutls

Vulnerability Assessment Summary
Check for the version of the gnutls packages

Detailed Explanation for this Vulnerability Assessment


Updated gnutls packages that fix a security issue are now available for Red
Hat Enterprise Linux 4.

This update has been rated as having important security impact by the Red
Hat Security Response Team.

The GNU TLS Library provides support for cryptographic algorithms and
protocols such as TLS. GNU TLS includes Libtasn1, a library developed for
ASN.1 structures management that includes DER encoding and decoding.

Several flaws were found in the way libtasn1 decodes DER. A possible hacker
could create a carefully crafted invalid X.509 certificate in such a way
that could trigger this flaw if parsed by an application that uses GNU TLS.
This could lead to a denial of service (application crash). It is not
certain if this issue could be escalated to permit arbitrary code execution.
The Common Vulnerabilities and Exposures project assigned the name
CVE-2006-0645 to this issue.

In Red Hat Enterprise Linux 4, the GNU TLS library is only used by the
Evolution client when connecting to an Exchange server or when publishing
calendar information to a WebDAV server.

Users are advised to upgrade to these updated packages, which contain a
backported patch from the GNU TLS maintainers to correct this issue.




Solution : http://rhn.redhat.com/errata/RHSA-2006-0207.html
Network Security Threat Level: High

Networks Security ID:

Vulnerability Assessment Copyright: This script is Copyright (C) 2006 Tenable Network Security

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