VDB-236962 · CVE-2021-28429 · GCVE-0-2021-28429

FFmpeg 4.3.2 libavutil/timecode.c av_timecode_make_string denial of service

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.
4.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in FFmpeg 4.3.2. Affected by this vulnerability is the function av_timecode_make_string of the file libavutil/timecode.c. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2021-28429. The attack is restricted to local execution. No exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as problematic was found in FFmpeg 4.3.2 (Multimedia Processing Software). This vulnerability affects the function av_timecode_make_string of the file libavutil/timecode.c. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

Integer overflow vulnerability in av_timecode_make_string in libavutil/timecode.c in FFmpeg version 4.3.2, allows local attackers to cause a denial of service (DoS) via crafted .mov file.

The weakness was disclosed 08/11/2023. The advisory is available at git.ffmpeg.org. This vulnerability was named CVE-2021-28429 since 03/15/2021. Technical details are known, but there is no available exploit.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.ffmpeg.org.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Multimedia Processing Software

Name

FFmpeg

Version

4.3.2

License

open-source

Website

Product: https://ffmpeg.org/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.ffmpeg.org

Timelineinfo

03/15/2021 🔍
08/11/2023 +878 days 🔍
08/11/2023 +0 days 🔍
09/08/2023 +28 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: git.ffmpeg.org
Status: Confirmed

CVE: CVE-2021-28429 (🔍)
GCVE (CVE): GCVE-0-2021-28429
GCVE (VulDB): GCVE-100-236962

Entryinfo

Created: 08/11/2023 17:26
Updated: 09/08/2023 09:24
Changes: 08/11/2023 17:26 (41), 09/08/2023 09:24 (11)
Complete: 🔍
Cache ID: 216::103