DescriptionThe ssl_parse_client_key_exchange function in XySSL before 0.9 does not protect against certain Bleichenbacher attacks using chosen ciphertext, which allows remote attackers to recover keys via unspecified vectors.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh (attack range: remote)
Debian Bugs543150

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
polarssl (PTS)jessie1.3.9-2.1+deb8u3fixed
jessie (security)1.3.9-2.1+deb8u4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
polarsslsource(unstable)(not affected)


- polarssl <not-affected> (fixed in xyssl before polarssl was forked from it)
check pdkim if/when it enters unstable (contains polarssl code copy)

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