CVE-2011-5325

Publication date 7 August 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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

Show unmaintained releases

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	Upstream: ?id=b92 Upstream: ?id=bc9 Upstream: ?id=a84 Upstream: ?id=d95 Upstream: ?id=dd5

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)

USN-3935-1
BusyBox vulnerabilities
3 April 2019