CVE-2012-0920

Publication date 5 June 2012

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Use-after-free vulnerability in Dropbear SSH Server 0.52 through 2012.54, when command restriction and public key authentication are enabled, allows remote authenticated users to execute arbitrary code and bypass command restrictions via multiple crafted command requests, related to “channels concurrency.”

Status

No maintained releases are affected by this CVE.

Package Ubuntu Release Status
dropbear 12.04 LTS precise
Fixed 2011.54-1ubuntu0.12.04.1
11.10 oneiric
Fixed 0.53.1-1ubuntu1.1
11.04 natty
Fixed 0.52-5+squeeze1build0.11.04.1
10.04 LTS lucid
Fixed 0.52-4ubuntu0.10.04.1
8.04 LTS hardy Ignored end of life

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
dropbear