FFmpeg 6.1-3-g466799d4f5 libavfilter/bwdifdsp.c ff_bwdif_filter_intra_c buffer overflow

HistoryDiffrelatejsonxmlCTI

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.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in FFmpeg 6.1-3-g466799d4f5 and classified as critical. The affected element is the function ff_bwdif_filter_intra_c of the file libavfilter/bwdifdsp.c. Such manipulation leads to buffer overflow. This vulnerability is listed as CVE-2023-49502. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in FFmpeg 6.1-3-g466799d4f5 and classified as critical. Affected by this issue is the function ff_bwdif_filter_intra_c of the file libavfilter/bwdifdsp.c. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Buffer Overflow vulnerability in Ffmpeg v.n6.1-3-g466799d4f5 allows a local attacker to execute arbitrary code via the ff_bwdif_filter_intra_c function in the libavfilter/bwdifdsp.c:125:5 component.

This vulnerability is handled as CVE-2023-49502 since 11/27/2023. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/23/2024).

The vulnerability scanner Nessus provides a plugin with the ID 209442 (Debian dla-3928 : ffmpeg - security update), which helps to determine the existence of the flaw in a target environment.

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 Tenable (209442). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Multimedia Processing Software

Name

FFmpeg

Version

6.1-3-g466799d4f5

License

open-source

Website

Product: https://ffmpeg.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Buffer overflow
CWE: CWE-120 / 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-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 209442
Nessus Name: Debian dla-3928 : ffmpeg - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/27/2023 🔍
04/19/2024 +143 days 🔍
04/19/2024 +0 days 🔍
04/04/2025 +350 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: 10688
Status: Not defined

CVE: CVE-2023-49502 (🔍)
GCVE (CVE): GCVE-0-2023-49502
GCVE (VulDB): GCVE-100-261608

Entryinfo

Created: 04/19/2024 19:28
Updated: 04/04/2025 22:41
Changes: 04/19/2024 19:28 (53), 05/28/2024 08:46 (1), 10/23/2024 21:23 (3), 04/04/2025 22:41 (3)
Complete: 🔍
Cache ID: 216::103

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