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Debian Security Advisory DSA 1719-1 (gnutls13)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

4.3

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

15 years ago

Modified

Modified

6 years ago

Summary

The remote host is missing an update to gnutls13 announced via advisory DSA 1719-1.

Insight

Insight

Martin von Gagern discovered that GNUTLS, an implementation of the TLS/SSL protocol, handles verification of X.509 certificate chains incorrectly if a self-signed certificate is configured as a trusted certificate. This could cause clients to accept forged server certificates as genuine. (CVE-2008-4989) In addition, this update tightens the checks for X.509v1 certificates which causes GNUTLS to reject certain certificate chains it accepted before. (In certificate chain processing, GNUTLS does not recognize X.509v1 certificates as valid unless explicitly requested by the application.) For the stable distribution (etch), this problem has been fixed in version 1.4.4-3+etch3. For the unstable distribution (sid), this problem has been fixed in version 2.4.2-3 of the gnutls26 package. We recommend that you upgrade your gnutls13 packages.

Solution

Solution

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201719-1

Common Vulnerabilities and Exposures (CVE)