Arch Linux Security Advisory ASA-201608-8
========================================
Severity: Medium
Date    : 2016-08-08
CVE-ID  : CVE-2016-6255
Package : libupnp
Type    : arbitrary filesystem access
Remote  : Yes
Link    : https://wiki.archlinux.org/title/CVE

Summary
======
The package libupnp before version 1.6.20-1 is vulnerable to arbitrary
filesystem access.

Resolution
=========
Upgrade to 1.6.20-1.

# pacman -Syu "libupnp>=1.6.20-1"

The problem has been fixed upstream in version 1.6.20.

Workaround
=========
None.

Description
==========
A vulnerability was found in libupnp. If there's no registered handler
for a POST or GET request, the default behavior is to write to or read
from the filesystem. This allows an unauthenticated attacker to store or
retrieve arbitrary data. This issue allows full host filesystem access
if the process is running as root and using / as the web root.

Impact
=====
A remote attacker is able to read from or write to arbitrary files on
the host filesystem via GET and POST requests.

References
=========
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6255
https://www.openwall.com/lists/oss-security/2016/07/18/13

ArchLinux: 201608-8: libupnp: arbitrary filesystem access

August 8, 2016

Summary

A vulnerability was found in libupnp. If there's no registered handler for a POST or GET request, the default behavior is to write to or read from the filesystem. This allows an unauthenticated attacker to store or retrieve arbitrary data. This issue allows full host filesystem access if the process is running as root and using / as the web root.

Resolution

Upgrade to 1.6.20-1. # pacman -Syu "libupnp>=1.6.20-1"
The problem has been fixed upstream in version 1.6.20.

References

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6255 https://www.openwall.com/lists/oss-security/2016/07/18/13

Severity
Package : libupnp
Type : arbitrary filesystem access
Remote : Yes
Link : https://wiki.archlinux.org/title/CVE

Workaround

None.

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