FreeBSD : rubygem-redcarpet -- XSS vulnerability (c368155a-fa83-11e4-bc58-001e67150279)

This script is Copyright (C) 2015 Tenable Network Security, Inc.


Synopsis :

The remote FreeBSD host is missing a security-related update.

Description :

Daniel LeCheminant reports :

When markdown is being presented as HTML, there seems to be a strange
interaction between _ and @ that lets an attacker insert malicious
tags.

See also :

http://openwall.com/lists/oss-security/2015/04/07/11
https://hackerone.com/reports/46916
http://danlec.com/blog/bug-in-sundown-and-redcarpet
http://www.nessus.org/u?763b4f5a

Solution :

Update the affected package.

Risk factor :

High

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 83514 ()

Bugtraq ID:

CVE ID:

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