Candidate: CVE-2013-4206
PublicDate: 2013-08-19 23:55:00 UTC
References: 
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4206
 http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-modmul.html
Description:
 Heap-based buffer underflow in the modmul function in sshbn.c in PuTTY
 before 0.63 allows remote SSH servers to cause a denial of service (crash)
 and possibly trigger memory corruption or code execution via a crafted DSA
 signature, which is not properly handled when performing certain
 bit-shifting operations during modular multiplication.
Ubuntu-Description: 
Notes: 
Bugs: 
Priority: medium
Discovered-by:
Assigned-to: 
CVSS: 

Patches_putty:
upstream_putty: released (0.63)
lucid_putty: ignored (reached end-of-life)
precise_putty: released (0.62-6ubuntu0.1)
quantal_putty: released (0.62-9ubuntu0.1)
raring_putty: released (0.62-10ubuntu0.1)
devel_putty: released (0.63-1)