[ASA-201701-5] lib32-libpng: denial of service

2017-01-02T00:00:00
ID ASA-201701-5
Type archlinux
Reporter ArchLinux
Modified 2017-01-02T00:00:00

Description

Arch Linux Security Advisory ASA-201701-5

Severity: Low Date : 2017-01-02 CVE-ID : CVE-2016-10087 Package : lib32-libpng Type : denial of service Remote : Yes Link : https://security.archlinux.org/AVG-120

Summary

The package lib32-libpng before version 1.6.27-1 is vulnerable to denial of service.

Resolution

Upgrade to 1.6.27-1.

pacman -Syu "lib32-libpng>=1.6.27-1"

The problem has been fixed upstream in version 1.6.27.

Workaround

None.

Description

A NULL-pointer dereference issue has been found in png_set_text_2() in libpng. To be vulnerable, an application has to load a text chunk into the png structure, then delete all text, then add another text chunk to the same png structure.

Impact

A remote attacker is able to crash the application under certain circumstances.

References

http://seclists.org/oss-sec/2016/q4/782 https://security.archlinux.org/CVE-2016-10087