GLSA 201801-20: Fossil: User-assisted execution of arbitrary code

http://security.gentoo.org/

Severity:	normal
Title:	Fossil: User-assisted execution of arbitrary code
Date:	01/27/2018
Bugs:	#640208
ID:	201801-20

Synopsis

A vulnerability has been discovered in Fossil allowing for user-assisted remote execution of arbitrary code.

Background

Fossil is a simple, high-reliability, distributed software configuration management system.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
dev-vcs/fossil	< 2.4	>= 2.4	All supported architectures

Description

Fossil does not properly validate SSH sync protocol URLs.

Impact

A remote attacker, by enticing a user to open a specially crafted URL, could possibly execute arbitrary commands with the privileges of the user running the application.

Workaround

There is no known workaround at this time.

Resolution

All Fossil users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-vcs/fossil-2.4"

References

CVE-2017-17459

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201801-20.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.