GLSA 202007-27: Haml: Arbitrary code execution

http://security.gentoo.org/

Severity:	normal
Title:	Haml: Arbitrary code execution
Date:	07/27/2020
Bugs:	#699840
ID:	202007-27

Synopsis

A flaw in Haml allows arbitrary code execution as a result of improper filtering.

Background

Haml is a templating engine for HTML.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
dev-ruby/haml	< 5.1.2	>= 5.1.2	All supported architectures

Description

It was discovered that Haml was not correctly filtering out special characters which may be used for attributes.

Impact

A remote attacker could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All Haml users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-ruby/haml-5.1.2"

References

CVE-2017-1002201

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202007-27.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.