Debian Security Advisory DSA 1935-1 (gnutls13 gnutls26)

Published: 2009-11-23 19:51:51
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P

Recommendations:
https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201935-1

Technical Details:
Dan Kaminsky and Moxie Marlinspike discovered that gnutls, an implementation of the TLS/SSL protocol, does not properly handle a '\0' character in a domain name in the subject's Common Name or Subject Alternative Name (SAN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority. (CVE-2009-2730) In addition, with this update, certificates with MD2 hash signatures are no longer accepted since they're no longer considered cryptograhically secure. It only affects the oldstable distribution (etch).(CVE-2009-2409) For the oldstable distribution (etch), these problems have been fixed in version 1.4.4-3+etch5 for gnutls13. For the stable distribution (lenny), these problems have been fixed in version 2.4.2-6+lenny2 for gnutls26. For the testing distribution (squeeze), and the unstable distribution (sid), these problems have been fixed in version 2.8.3-1 for gnutls26. We recommend that you upgrade your gnutls13/gnutls26 Linux Distribution Packages.

Summary:
The remote host is missing an update to gnutls13 gnutls26 announced via advisory DSA 1935-1.

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2009-2409
https://nvd.nist.gov/vuln/detail/CVE-2009-2730

Severity
High
CVSS Score
7.5
Published
2009-11-23
Modified
2017-07-07
Category
Debian Local Security Checks

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