Cesanta MJS 2.20.0 libasan.so.4 heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Cesanta MJS 2.20.0. This issue affects some unknown processing in the library /usr/lib/x86_64-linux-gnu/libasan.so.4. This manipulation causes heap-based overflow. This vulnerability is tracked as CVE-2021-46522. No exploit exists.

Detailsinfo

A vulnerability has been found in Cesanta MJS 2.20.0 and classified as critical. Affected by this vulnerability is some unknown functionality in the library /usr/lib/x86_64-linux-gnu/libasan.so.4. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 01/28/2022 as 196. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-46522 since 01/24/2022. Technical details of the vulnerability are known, but there is no available exploit.

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

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

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
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: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

01/24/2022 🔍
01/28/2022 +4 days 🔍
01/28/2022 +0 days 🔍
01/29/2022 +1 days 🔍

Sourcesinfo

Product: github.com

Advisory: 196
Status: Confirmed

CVE: CVE-2021-46522 (🔍)
GCVE (CVE): GCVE-0-2021-46522
GCVE (VulDB): GCVE-100-191767

Entryinfo

Created: 01/28/2022 08:48
Updated: 01/29/2022 17:43
Changes: 01/28/2022 08:48 (38), 01/29/2022 17:43 (1)
Complete: 🔍
Cache ID: 216::103

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