FFmpeg 4.4 libavcodec/exr.c dwa_uncompress out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in FFmpeg 4.4. This vulnerability affects the function dwa_uncompress of the file libavcodec/exr.c. This manipulation causes out-of-bounds. This vulnerability is handled as CVE-2021-33815. The attack can be initiated remotely. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as problematic was found in FFmpeg 4.4 (Multimedia Processing Software). Affected by this vulnerability is the function dwa_uncompress of the file libavcodec/exr.c. The manipulation 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 confidentiality.

The weakness was released 06/04/2021 as 26d3c81bc5ef2f8c3f09d45eaeacfb4b1139a777. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-33815. 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.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

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

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

06/03/2021 🔍
06/04/2021 +1 days 🔍
06/04/2021 +0 days 🔍
06/07/2021 +3 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: 26d3c81bc5ef2f8c3f09d45eaeacfb4b1139a777
Status: Confirmed

CVE: CVE-2021-33815 (🔍)
GCVE (CVE): GCVE-0-2021-33815
GCVE (VulDB): GCVE-100-176311

Entryinfo

Created: 06/04/2021 07:32
Updated: 06/07/2021 14:57
Changes: 06/04/2021 07:32 (40), 06/07/2021 14:57 (5)
Complete: 🔍
Cache ID: 216::103

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