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USN-809-1: GnuTLS vulnerabilities

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USN-809-1: GnuTLS vulnerabilities

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
08/12/2009
Created
07/25/2018
Added
05/06/2013
Modified
07/09/2020

Description

libgnutls in GnuTLS before 2.8.2 does not properly handle a '\0' character in a domain name in the subject's (1) Common Name (CN) or (2) 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.

Solution(s)

  • ubuntu-upgrade-libgnutls13
  • ubuntu-upgrade-libgnutls26

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