FFmpeg 3.4 MPEG File mpegvideodsp.c gmc_mmx width/height out-of-bounds

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.8$0-$5k0.11

Summaryinfo

A vulnerability, which was classified as problematic, was found in FFmpeg 3.4. This affects the function gmc_mmx of the file libavcodec/x86/mpegvideodsp.c of the component MPEG File Handler. The manipulation of the argument width/height results in out-of-bounds. This vulnerability is reported as CVE-2017-17081. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in FFmpeg 3.4 (Multimedia Processing Software). It has been classified as problematic. Affected is the function gmc_mmx of the file libavcodec/x86/mpegvideodsp.c of the component MPEG File Handler. The manipulation of the argument width/height with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. CVE summarizes:

The gmc_mmx function in libavcodec/x86/mpegvideodsp.c in FFmpeg 3.4 does not properly validate widths and heights, which allows remote attackers to cause a denial of service (integer signedness error and out-of-array read) via a crafted MPEG file.

The bug was discovered 11/30/2017. The weakness was disclosed 11/30/2017 (Website). The advisory is shared for download at bugs.chromium.org. This vulnerability is traded as CVE-2017-17081 since 11/30/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 106413 (Debian DSA-4099-1 : ffmpeg - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170874 (OpenSUSE Security Update for ffmpeg (openSUSE-SU-2018:0476-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (106413). The entries VDB-108603 and VDB-110519 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 106413
Nessus Name: Debian DSA-4099-1 : ffmpeg - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 861445
OpenVAS Name: Debian Security Advisory DSA 4099-1 (ffmpeg - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: github.com

Timelineinfo

11/30/2017 🔍
11/30/2017 +0 days 🔍
11/30/2017 +0 days 🔍
11/30/2017 +0 days 🔍
12/01/2017 +1 days 🔍
01/27/2018 +57 days 🔍
01/29/2018 +2 days 🔍
01/16/2023 +1813 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: 27f8d386829689c346ff0cef00d3af57b9fb8903
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-17081 (🔍)
GCVE (CVE): GCVE-0-2017-17081
GCVE (VulDB): GCVE-100-110112

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 12/01/2017 08:09
Updated: 01/16/2023 14:59
Changes: 12/01/2017 08:09 (70), 12/11/2019 15:54 (8), 01/25/2021 15:32 (3), 01/16/2023 14:59 (4)
Complete: 🔍
Cache ID: 216:497:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!