Summaryinfo

A vulnerability has been found in FFmpeg up to 2.8.11/3.0.7/3.1.7/3.2.4/3.3.0 and classified as critical. The affected element is the function xwd_decode_frame of the file libavcodec/xwddec.c. This manipulation as part of Application causes memory corruption. The identification of this vulnerability is CVE-2017-9991. The attack can only be executed locally. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in FFmpeg up to 2.8.11/3.0.7/3.1.7/3.2.4/3.3.0 (Multimedia Processing Software). Affected by this vulnerability is the function xwd_decode_frame of the file libavcodec/xwddec.c. The manipulation as part of a Application leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in the xwd_decode_frame function in libavcodec/xwddec.c in FFmpeg before 2.8.12, 3.0.x before 3.0.8, 3.1.x before 3.1.8, 3.2.x before 3.2.5, and 3.3.x before 3.3.1 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted file.

The bug was discovered 05/06/2017. The weakness was shared 06/28/2017 (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2017-9991 since 06/28/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 53 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.8.12, 3.0.8, 3.1.8, 3.2.5 or 3.3.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 99316†). The entries VDB-102893, VDB-102892, VDB-102891 and VDB-102890 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Multimedia Processing Software

Name

• FFmpeg

Version

• 2.8.0
• 2.8.1
• 2.8.2
• 2.8.3
• 2.8.4
• 2.8.5
• 2.8.6
• 2.8.7
• 2.8.8
• 2.8.9
• 2.8.10
• 2.8.11
• 3.0
• 3.0.0
• 3.0.1
• 3.0.2
• 3.0.3
• 3.0.4
• 3.0.5
• 3.0.6
• 3.0.7
• 3.1
• 3.1.0
• 3.1.1
• 3.1.2
• 3.1.3
• 3.1.4
• 3.1.5
• 3.1.6
• 3.1.7
• 3.2
• 3.2.0
• 3.2.1
• 3.2.2
• 3.2.3
• 3.2.4
• 3.3.0

License

• open-source

Website

• Product: https://ffmpeg.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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