FFmpeg 4.2 libavutil/float_dsp.c avpriv_float_dsp_allocl 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 described as problematic has been identified in FFmpeg 4.2. The impacted element is the function avpriv_float_dsp_allocl of the file libavutil/float_dsp.c. Such manipulation leads to memory leak. This vulnerability is documented as CVE-2020-22046. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in FFmpeg 4.2 (Multimedia Processing Software) and classified as problematic. Affected by this issue is the function avpriv_float_dsp_allocl of the file libavutil/float_dsp.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 released 06/02/2021. The advisory is shared for download at trac.ffmpeg.org. This vulnerability is handled as CVE-2020-22046. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

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

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

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 🔍
06/05/2021 +3 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: trac.ffmpeg.org
Status: Confirmed

CVE: CVE-2020-22046 (🔍)
GCVE (CVE): GCVE-0-2020-22046
GCVE (VulDB): GCVE-100-176216

Entryinfo

Created: 06/02/2021 21:43
Updated: 06/05/2021 12:13
Changes: 06/02/2021 21:43 (37), 06/05/2021 12:13 (2)
Complete: 🔍
Cache ID: 216::103

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