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CVE-2013-0176

Publication date 22 January 2013

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.

Status

Package Ubuntu Release Status
libssh 12.10 quantal
Fixed 0.5.2-1ubuntu0.12.10.2
12.04 LTS precise
Fixed 0.5.2-1ubuntu0.12.04.2
11.10 oneiric
Fixed 0.5.2-1ubuntu0.11.10.2
10.04 LTS lucid
Fixed 0.4.2-1ubuntu1.2
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
libssh

References

Related Ubuntu Security Notices (USN)

Other references