FFmpeg 4.2 libavformat/aviobuf.c url_open_dyn_buf_internal memory leak

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in FFmpeg 4.2. The impacted element is the function url_open_dyn_buf_internal of the file libavformat/aviobuf.c. Such manipulation leads to memory leak. This vulnerability is referenced as CVE-2020-22044. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in FFmpeg 4.2 (Multimedia Processing Software). Affected by this issue is the function url_open_dyn_buf_internal of the file libavformat/aviobuf.c. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability.

The weakness was published 06/02/2021. The advisory is available at trac.ffmpeg.org. This vulnerability is handled as CVE-2020-22044. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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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: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
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: Memory leak
CWE: CWE-401 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
06/02/2021 +293 days 🔍
06/02/2021 +0 days 🔍
06/03/2021 +1 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: trac.ffmpeg.org
Status: Confirmed

CVE: CVE-2020-22044 (🔍)
GCVE (CVE): GCVE-0-2020-22044
GCVE (VulDB): GCVE-100-176150

Entryinfo

Created: 06/02/2021 06:51
Updated: 06/03/2021 22:05
Changes: 06/02/2021 06:51 (37), 06/03/2021 22:05 (2)
Complete: 🔍
Cache ID: 216::103

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