libjpeg-turbo Input jcopy_sample_rows null pointer dereference

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

Summaryinfo

A vulnerability labeled as problematic has been found in libjpeg-turbo. This vulnerability affects the function jcopy_sample_rows of the component Input Handler. The manipulation results in null pointer dereference. This vulnerability is reported as CVE-2020-35538. The attack can be launched remotely. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in libjpeg-turbo (the affected version unknown). It has been classified as problematic. Affected is the function jcopy_sample_rows of the component Input Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

A crafted input file could cause a null pointer dereference in jcopy_sample_rows() when processed by libjpeg-turbo.

The weakness was disclosed 09/01/2022 as 441. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2020-35538 since 12/17/2020. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

Applying the patch 9120a247436e84c0b4eea828cb11e8f665fcde30 is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: 9120a247436e84c0b4eea828cb11e8f665fcde30

Timelineinfo

12/17/2020 🔍
09/01/2022 +622 days 🔍
09/01/2022 +0 days 🔍
10/10/2022 +39 days 🔍

Sourcesinfo

Product: github.com

Advisory: 441
Status: Confirmed

CVE: CVE-2020-35538 (🔍)
GCVE (CVE): GCVE-0-2020-35538
GCVE (VulDB): GCVE-100-207672

Entryinfo

Created: 09/01/2022 15:01
Updated: 10/10/2022 15:05
Changes: 09/01/2022 15:01 (41), 10/10/2022 15:05 (11)
Complete: 🔍
Cache ID: 216::103

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