VDB-213544 · CVE-2022-3965 · GCVE-100-213544

ffmpeg QuickTime Graphics Video Encoder libavcodec/smcenc.c smc_encode_stream y_size 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.
5.5	$0-$5k	0.00

A vulnerability classified as problematic was found in ffmpeg (Multimedia Processing Software) (affected version not known). This vulnerability affects the function smc_encode_stream of the file libavcodec/smcenc.c of the component QuickTime Graphics Video Encoder. The manipulation of the argument y_size with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability.

The weakness was shared 11/13/2022 as 13c13109759090b7f7182480d075e13b36ed8edd. The advisory is shared for download at git.ffmpeg.org. This vulnerability was named CVE-2022-3965. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

Applying the patch 13c13109759090b7f7182480d075e13b36ed8edd is able to eliminate this problem. The bugfix is ready for download at git.ffmpeg.org.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Multimedia Processing Software

Name

ffmpeg

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

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

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 4.3
CNA Vector (VulDB): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

Exploitinginfo

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

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 13c13109759090b7f7182480d075e13b36ed8edd

Timelineinfo

11/13/2022 🔍
11/13/2022 +0 days 🔍
11/13/2022 +0 days 🔍
12/17/2022 +34 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: 13c13109759090b7f7182480d075e13b36ed8edd
Status: Confirmed

CVE: CVE-2022-3965 (🔍)
GCVE (CVE): GCVE-0-2022-3965
GCVE (VulDB): GCVE-100-213544

Entryinfo

Created: 11/13/2022 08:41 AM
Updated: 12/17/2022 02:18 PM
Changes: 11/13/2022 08:41 AM (43), 12/17/2022 02:14 PM (3), 12/17/2022 02:18 PM (21)
Complete: 🔍
Cache ID: 18:597:40