CVE-2013-4208

NameCVE-2013-4208
DescriptionThe rsa_verify function in PuTTY before 0.63 (1) does not clear sensitive process memory after use and (2) does not free certain structures containing sensitive process memory, which might allow local users to discover private RSA and DSA keys.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-2736-1
Debian Bugs719070

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
filezilla (PTS)buster3.39.0-2+deb10u1fixed
bullseye3.52.2-3+deb11u1fixed
bookworm3.63.0-1+deb12u3fixed
sid, trixie3.67.0-1fixed
putty (PTS)buster0.70-6fixed
buster (security)0.74-1+deb11u1~deb10u1fixed
bullseye (security), bullseye0.74-1+deb11u1fixed
bookworm, bookworm (security)0.78-2+deb12u1fixed
sid, trixie0.81-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
filezillasource(unstable)3.7.3-1low719070
puttysourcesqueeze0.60+2010-02-20-1+squeeze2DSA-2736-1
puttysourcewheezy0.62-9+deb7u1DSA-2736-1
puttysource(unstable)0.63-1

Notes

[squeeze] - filezilla <no-dsa> (Minor issue)
[wheezy] - filezilla <no-dsa> (Minor issue)
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/private-key-not-wiped.html

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