[Secure-testing-team] Bug#816921: putty: CVE-2016-2563: buffer overrun in the old-style SCP protocol

[Salvatore Bonaccorso]

Source: putty
Version: 0.62-9
Severity: important
Tags: security upstream patch fixed-upstream

Hi,

the following vulnerability was published for putty.

CVE-2016-2563[0]:
buffer overrun in the old-style SCP protocol

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2016-2563
[1] http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-pscp-sink-sscanf.html
[2] http://tartarus.org/~simon-git/gitweb/?p=putty.git;a=commitdiff;h=bc6c15ab5f636e05b7e91883f0031a7e06117947

Not sure if this warrants a DSA, since it's in the old-style SCP
protocol only, and furthermore a user must connect to malicious server
where the host key of the server was accepted already.

Regards,
Salvatore