CVE-2011-5325

Publication date 7 August 2017

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

Directory traversal vulnerability in the BusyBox implementation of tar before 1.22.0 v5 allows remote attackers to point to files outside the current working directory via a symlink.

Read the notes from the security team

Status

Package Ubuntu Release Status
busybox 21.04 hirsute
Fixed 1:1.27.2-2ubuntu3
20.10 groovy
Fixed 1:1.27.2-2ubuntu3
20.04 LTS focal
Fixed 1:1.27.2-2ubuntu3
19.10 eoan
Fixed 1:1.27.2-2ubuntu3
19.04 disco
Fixed 1:1.27.2-2ubuntu3
18.10 cosmic
Fixed 1:1.27.2-2ubuntu3
18.04 LTS bionic
Fixed 1:1.27.2-2ubuntu3
17.10 artful Ignored end of life
17.04 zesty Ignored end of life
16.10 yakkety Ignored end of life
16.04 LTS xenial
Fixed 1:1.22.0-15ubuntu1.4
15.10 wily Ignored end of life
15.04 vivid Ignored end of life
14.04 LTS trusty
Fixed 1:1.21.0-1ubuntu1.4
12.04 LTS precise Ignored end of life

Notes

mdeslaur

bionic only contains first commit adding the second commit to bionic introduced a regression in debootstrep, see LP: #1737662 new third commit mostly reverses second commit two new commits are now available that possibly fix further symlink issues

Patch details

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

Package Patch details
busybox

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

Other references