mujs up to 1.0.7 jsgc.c jsG_markobject buffer overflow

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 was found in mujs up to 1.0.7. It has been classified as critical. Affected is the function jsG_markobject of the file jsgc.c. The manipulation leads to buffer overflow. This vulnerability is listed as CVE-2020-22886. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in mujs up to 1.0.7. This issue affects the function jsG_markobject of the file jsgc.c. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is availability.

The weakness was presented 07/13/2021. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2020-22886. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 1.0.8 eliminates this vulnerability.

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

Productinfo

Name

Version

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: Buffer overflow
CWE: CWE-120 / 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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: mujs 1.0.8

Timelineinfo

08/13/2020 🔍
07/13/2021 +334 days 🔍
07/13/2021 +0 days 🔍
07/16/2021 +3 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2020-22886 (🔍)
GCVE (CVE): GCVE-0-2020-22886
GCVE (VulDB): GCVE-100-178463

Entryinfo

Created: 07/13/2021 18:54
Updated: 07/16/2021 14:10
Changes: 07/13/2021 18:54 (38), 07/16/2021 14:10 (5)
Complete: 🔍
Cache ID: 216::103

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