CVE-2012-6123

Publication date 31 October 2019

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

Chicken before 4.8.0 does not properly handle NUL bytes in certain strings, which allows an attacker to conduct "poisoned NUL byte attack."

Status

Package Ubuntu Release Status
chicken 17.04 zesty
Not affected
16.10 yakkety
Not affected
16.04 LTS xenial
Not affected
15.10 wily
Not affected
15.04 vivid
Not affected
14.10 utopic
Not affected
14.04 LTS trusty Not in release
13.10 saucy
Not affected
13.04 raring
Not affected
12.10 quantal Ignored end of life
12.04 LTS precise Ignored end of life
11.10 oneiric Ignored end of life
10.04 LTS lucid Ignored end of life
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
chicken

Severity score breakdown

Parameter Value
Base score 6.5 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N