LibRaw cr3 File crx.cpp crxFreeSubbandData resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

A vulnerability, which was classified as problematic, was found in LibRaw (Image Processing Software) (version unknown). Affected is the function crxFreeSubbandData of the file libraw\src\decoders\crx.cpp of the component cr3 File Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. CVE summarizes:

In LibRaw, there is a memory corruption vulnerability within the "crxFreeSubbandData()" function (libraw\src\decoders\crx.cpp) when processing cr3 files.

The weakness was published 09/02/2022 as 279. The advisory is available at github.com. This vulnerability is traded as CVE-2020-35534 since 12/17/2020. 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.

Applying the patch e41f331e90b383e3208cefb74e006df44bf3a4b8 is able to eliminate this problem. The bugfix is ready for download at github.com.

Productinfo

Type

Name

License

  • open-source

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

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

NVD Base Score: 5.5
NVD Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
ATT&CK: T1499

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: e41f331e90b383e3208cefb74e006df44bf3a4b8

Timelineinfo

12/17/2020 CVE reserved
09/02/2022 +623 days Advisory disclosed
09/02/2022 +0 days VulDB entry created
10/11/2022 +39 days VulDB last update

Sourcesinfo

Advisory: 279
Status: Confirmed

CVE: CVE-2020-35534 (🔒)

Entryinfo

Created: 09/02/2022 09:40 AM
Updated: 10/11/2022 10:51 AM
Changes: 09/02/2022 09:40 AM (43), 10/11/2022 10:51 AM (11)
Complete: 🔍

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