CVE-2013-4314

NameCVE-2013-4314
DescriptionThe X509Extension in pyOpenSSL before 0.13.1 does not properly handle a '\0' character in a domain name in the Subject Alternative Name 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2763-1
NVD severitymedium (attack range: remote)
Debian Bugs722055

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
pyopenssl (PTS)wheezy (security), wheezy0.13-2+deb7u1fixed
jessie0.14-1fixed
stretch, sid16.1.0-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
pyopensslsource(unstable)0.13-2.1medium722055
pyopensslsourcesqueeze0.10-1+squeeze1mediumDSA-2763-1
pyopensslsourcewheezy0.13-2+deb7u1mediumDSA-2763-1

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