Name | CVE-2013-4207 |
Description | Buffer overflow in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) via an invalid DSA signature that is not properly handled during computation of a modular inverse and triggers the overflow during a division by zero by the bignum functionality, a different vulnerability than CVE-2013-4206. |
Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
References | DSA-2736-1 |
Debian Bugs | 719070 |
The table below lists information on source packages.
Source Package | Release | Version | Status |
---|---|---|---|
filezilla (PTS) | stretch | 3.24.0-1 | fixed |
stretch (security) | 3.24.0-1+deb9u1 | fixed | |
buster | 3.39.0-2+deb10u1 | fixed | |
bullseye | 3.52.2-3 | fixed | |
bookworm, sid | 3.60.1-1 | fixed | |
putty (PTS) | stretch (security), stretch | 0.67-3+deb9u1 | fixed |
buster | 0.70-6 | fixed | |
bullseye | 0.74-1 | fixed | |
bookworm, sid | 0.77-1 | fixed |
The information below is based on the following data on fixed versions.
Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
---|---|---|---|---|---|---|
filezilla | source | (unstable) | 3.7.3-1 | low | 719070 | |
putty | source | squeeze | 0.60+2010-02-20-1+squeeze2 | DSA-2736-1 | ||
putty | source | wheezy | 0.62-9+deb7u1 | DSA-2736-1 | ||
putty | source | (unstable) | 0.63-1 |
[squeeze] - filezilla <no-dsa> (Minor issue)
[wheezy] - filezilla <no-dsa> (Minor issue)
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-bignum-division-by-zero.html