| Name | CVE-2013-4208 |
| Description | The 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-2736-1 |
| Debian Bugs | 719070 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| filezilla (PTS) | bullseye | 3.52.2-3+deb11u1 | fixed |
| bookworm | 3.63.0-1+deb12u3 | fixed |
| sid, trixie | 3.68.1-1 | fixed |
| putty (PTS) | bullseye | 0.74-1+deb11u2 | fixed |
| bullseye (security) | 0.74-1+deb11u1 | fixed |
| bookworm | 0.78-2+deb12u2 | fixed |
| bookworm (security) | 0.78-2+deb12u1 | fixed |
| sid, trixie | 0.83-2 | fixed |
The information below is based on the following data on fixed versions.
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