[ GLSA 202007-27 ] Haml

[GLSA]

Gentoo Linux Security Advisory

Title: Haml: Arbitrary code execution (GLSA 202007-27)
Severity: normal
Exploitable: remote
Date: 2020-07-27
Bug(s): #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: dev-ruby/haml
Vulnerable: < 5.1.2
Unaffected: >= 5.1.2
Architectures: 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: