ImageMagick XPM File coders/xpm.c access control

Summaryinfo

A vulnerability marked as critical has been reported in ImageMagick. This impacts an unknown function of the file coders/xpm.c of the component XPM File Handler. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2014-9827. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in ImageMagick (Image Processing Software) (the affected version is unknown) and classified as critical. This issue affects an unknown code of the file coders/xpm.c of the component XPM File Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

coders/xpm.c in ImageMagick allows remote attackers to have unspecified impact via a crafted xpm file.

The bug was discovered 06/02/2016. The weakness was disclosed 08/07/2017 (oss-sec). It is possible to read the advisory at openwall.com. The identification of this vulnerability is CVE-2014-9827 since 06/02/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 431 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 218464 (Linux Distros Unpatched Vulnerability : CVE-2014-9827), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (218464). The entries VDB-98117, VDB-98118, VDB-98120 and VDB-98121 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Image Processing Software

Name

• ImageMagick

License

• open-source

Website

• Product: https://www.imagemagick.org/

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