Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Chrome 41.0.2251.0. This affects an unknown part of the file libavformat/mov.c of the component FFmpeg. The manipulation as part of m4a File leads to double free. This vulnerability is referenced as CVE-2015-1207. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Google Chrome 41.0.2251.0 (Web Browser). It has been rated as critical. This issue affects an unknown functionality of the file libavformat/mov.c of the component FFmpeg. The manipulation as part of a m4a File leads to a double free vulnerability. Using CWE to declare the problem leads to CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Double-free vulnerability in libavformat/mov.c in FFMPEG in Google Chrome 41.0.2251.0 allows remote attackers to cause a denial of service (memory corruption and crash) via a crafted .m4a file.

The bug was discovered 01/21/2015. The weakness was published 06/06/2017 by Security Team (Website). The advisory is shared at bugs.chromium.org. The identification of this vulnerability is CVE-2015-1207 since 01/21/2015. 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 are known, but no exploit is available. The price for an exploit might be around USD $25k-$100k at the moment (estimation calculated on 12/08/2022). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 867 days. During that time the estimated underground price was around $25k-$100k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176657 (Debian Security Update for libav (DLA 1654-1)).

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 SecurityFocus (BID 100692†). Similar entries are available at VDB-68317, VDB-99850, VDB-99852 and VDB-106185. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Web Browser

Vendor

• Google

Name

• Chrome

Version

• 41.0.2251.0

License

• free

Website

• Vendor: https://www.google.com/
• Product: https://www.google.com/chrome/

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