Arch Linux alert ASA-202105-26 (gupnp)

From:
             
 
Jonas Witschel via arch-security <arch-security@lists.archlinux.org>
To:
             
 
arch-security@lists.archlinux.org
Subject:
             
 
[ASA-202105-26] gupnp: information disclosure
Date:
             
 
Wed, 26 May 2021 12:33:58 +0200
Message-ID:
             
 
<20210526103358.ywr64fizt7zcxe5i@archlinux.org>
Cc:
             
 
Jonas Witschel <diabonas@archlinux.org>
Arch Linux Security Advisory ASA-202105-26
==========================================

Severity: Medium
Date    : 2021-05-25
CVE-ID  : CVE-2021-33516
Package : gupnp
Type    : information disclosure
Remote  : Yes
Link    : https://security.archlinux.org/AVG-1985

Summary
=======

The package gupnp before version 1.2.6-1 is vulnerable to information
disclosure.

Resolution
==========

Upgrade to 1.2.6-1.

# pacman -Syu "gupnp>=1.2.6-1"

The problem has been fixed upstream in version 1.2.6.

Workaround
==========

None.

Description
===========

An issue was discovered in GUPnP before 1.2.5. It allows DNS rebinding.
A remote web server can exploit this vulnerability to trick a victim's
browser into triggering actions against local UPnP services implemented
using this library. Depending on the affected service, this could be
used for data exfiltration, data tampering, etc.

Impact
======

A remote attacker can use DNS rebinding to trick a victim's browser
into triggering actions against local UPnP services.

References
==========

https://discourse.gnome.org/t/security-relevant-releases-...
https://gitlab.gnome.org/GNOME/gupnp/-/issues/24
https://gitlab.gnome.org/GNOME/gupnp/-/merge_requests/13
https://gitlab.gnome.org/GNOME/gupnp/-/commit/ca6ec9dcb26...
https://security.archlinux.org/CVE-2021-33516