CVE-2015-4156

Publication date 2 June 2015

Last updated 24 July 2024

Description

GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows local users to write to arbitrary files via a symlink attack on a temporary file.

From the Ubuntu Security Team

It was discovered that Parallel incorrectly handled symlinks. An attacker could possibly use this issue to insert, edit or obtain sensitive information.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
parallel	18.10 cosmic	Not affected
	18.04 LTS bionic	Not affected
	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 20161222-1~ubuntu0.16.04.1
	15.10 wily	Ignored end of life
	15.04 vivid	Ignored end of life
	14.10 utopic	Ignored end of life
	14.04 LTS trusty	Fixed 20161222-1~ubuntu0.14.04.1
	12.04 LTS precise	Not in release

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What do statuses mean?

References

MITRE
NVD
Launchpad
Debian

Other references

http://lists.opensuse.org/opensuse-updates/2015-05/msg00090.html
http://lists.gnu.org/archive/html/parallel/2015-05/msg00024.html
http://lists.gnu.org/archive/html/parallel/2015-04/msg00045.html
https://www.cve.org/CVERecord?id=CVE-2015-4156