CVE-2006-2940

NameCVE-2006-2940
DescriptionOpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions allows attackers to cause a denial of service (CPU consumption) via parasitic public keys with large (1) "public exponent" or (2) "public modulus" values in X.509 certificates that require extra time to process when using RSA signature verification.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-1185-2, DSA-1195-1
NVD severityhigh (attack range: remote)
Debian Bugs389940

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openssl (PTS)wheezy1.0.1e-2+deb7u20fixed
wheezy (security)1.0.1t-1+deb7u1fixed
jessie1.0.1t-1+deb8u3fixed
jessie (security)1.0.1t-1+deb8u5fixed
stretch1.0.2h-1fixed
sid1.0.2i-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opensslsource(unstable)0.9.8c-2high389940
opensslsourcesarge0.9.7e-3sarge4highDSA-1185-2
openssl096source(unstable)(unfixed)high
openssl096sourcesarge0.9.6m-1sarge4highDSA-1195-1
openssl097source(unstable)0.9.7k-2high

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