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CVE-2011-4597

Publication date 15 December 2011

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

The SIP over UDP implementation in Asterisk Open Source 1.4.x before 1.4.43, 1.6.x before 1.6.2.21, and 1.8.x before 1.8.7.2 uses different port numbers for responses to invalid requests depending on whether a SIP username exists, which allows remote attackers to enumerate usernames via a series of requests.

Read the notes from the security team

Status

Package Ubuntu Release Status
asterisk 13.10 saucy
Not affected
13.04 raring
Not affected
12.10 quantal
Not affected
12.04 LTS precise
Not affected
11.10 oneiric Ignored
11.04 natty Ignored
10.10 maverick Ignored
10.04 LTS lucid Ignored
8.04 LTS hardy Ignored

Notes

jdstrand

per upstream, no fix issued, only a documentation change. Upstream releases contain these documentation updates

Patch details

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

Package Patch details
asterisk