JerryScript 2.2.0 re-parser.c re_parse_char_escape heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in JerryScript 2.2.0. This impacts the function re_parse_char_escape of the file re-parser.c. The manipulation results in heap-based overflow. This vulnerability is identified as CVE-2020-23323. There is not any exploit available.

Detailsinfo

A vulnerability was found in JerryScript 2.2.0. It has been classified as critical. Affected is the function re_parse_char_escape of the file re-parser.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as 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(). This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 06/11/2021. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2020-23323. There are known technical details, but no exploit is available.

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

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

08/13/2020 🔍
06/11/2021 +302 days 🔍
06/11/2021 +0 days 🔍
06/13/2021 +2 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-23323 (🔍)
GCVE (CVE): GCVE-0-2020-23323
GCVE (VulDB): GCVE-100-176856

Entryinfo

Created: 06/11/2021 13:48
Updated: 06/13/2021 14:54
Changes: 06/11/2021 13:48 (36), 06/13/2021 14:54 (3)
Complete: 🔍
Cache ID: 216::103

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