SB2017012329 - Gentoo update for libupnp

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Improper access control (CVE-ID: CVE-2016-6255)

The vulnerability allows a remote non-authenticated attacker to manipulate data.

Portable UPnP SDK (aka libupnp) before 1.6.21 allows remote attackers to write to arbitrary files in the webroot via a POST request without a registered handler.

2) Heap-based buffer overflow (CVE-ID: CVE-2016-8863)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the create_url_list function in gena/gena_device.c in Portable UPnP SDK (aka libupnp) before 1.6.21. A remote attacker can use a valid URI followed by an invalid one in the CALLBACK header of an SUBSCRIBE request. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://security.gentoo.org/
• https://security.gentoo.org/glsa/201701-52