CVE-2015-2157

NameCVE-2015-2157
DescriptionThe (1) ssh2_load_userkey and (2) ssh2_save_userkey functions in PuTTY 0.51 through 0.63 do not properly wipe SSH-2 private keys from memory, which allows local users to obtain sensitive information by reading the memory.
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)
ReferencesDLA-173-1, DSA-3190-1
NVD severitylow
Debian Bugs779488

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
putty (PTS)jessie0.63-10+deb8u1fixed
jessie (security)0.63-10+deb8u2fixed
stretch (security), stretch0.67-3+deb9u1fixed
buster0.70-6fixed
bullseye, sid0.73-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
puttysource(unstable)0.63-10779488
puttysourcesqueeze0.60+2010-02-20-1+squeeze3DLA-173-1
puttysourcewheezy0.62-9+deb7u2DSA-3190-1

Notes

http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/private-key-not-wiped-2.html

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