VDB-236963 · CVE-2020-36138 · ID 8960

FFmpeg 4.3 libavcodec/tiff.c decode_frame 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.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in FFmpeg 4.3. Affected by this issue is the function decode_frame of the file libavcodec/tiff.c. The manipulation leads to denial of service. This vulnerability is listed as CVE-2020-36138. The attack may be initiated remotely. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in FFmpeg 4.3 (Multimedia Processing Software). This issue affects the function decode_frame of the file libavcodec/tiff.c. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

An issue was discovered in decode_frame in libavcodec/tiff.c in FFmpeg version 4.3, allows remote attackers to cause a denial of service (DoS).

The weakness was presented 08/11/2023 as 8960. It is possible to read the advisory at trac.ffmpeg.org. The identification of this vulnerability is CVE-2020-36138 since 01/04/2021. 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 T1499 according to MITRE ATT&CK.

Applying the patch 292e41ce650a7b5ca5de4ae87fff0d6a90d9fc97 is able to eliminate this problem. The bugfix is ready for download at github.com.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Multimedia Processing Software

Name

FFmpeg

Version

License

open-source

Website

Product: https://ffmpeg.org/

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: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 292e41ce650a7b5ca5de4ae87fff0d6a90d9fc97

Timelineinfo

01/04/2021 🔍
08/11/2023 +948 days 🔍
08/11/2023 +0 days 🔍
09/08/2023 +28 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: 8960
Status: Confirmed

CVE: CVE-2020-36138 (🔍)
GCVE (CVE): GCVE-0-2020-36138
GCVE (VulDB): GCVE-100-236963

Entryinfo

Created: 08/11/2023 17:26
Updated: 09/08/2023 09:26
Changes: 08/11/2023 17:26 (43), 09/08/2023 09:26 (11)
Complete: 🔍
Cache ID: 216::103