Algorithmic complexity vulnerability in the ssl.match_hostname function in Python 3.2.x, 3.3.x, and earlier, and unspecified versions of python-backports-ssl_match_hostname as used for older Python versions, allows remote attackers to cause a denial of service (CPU consumption) via multiple wildcard characters in the common name in a certificate.
AV:N/AC:M/Au:N/C:N/I:N/A:P
09/10/2013
by Python
4 months ago
by Canonical
3 months ago