Nginx NJS 0.7.2 njs_json.c njs_json_parse_iterator_call use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Nginx NJS 0.7.2. Affected by this issue is the function njs_json_parse_iterator_call of the file njs_json.c. Executing a manipulation can lead to use after free. This vulnerability appears as CVE-2022-43286. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Nginx NJS 0.7.2 (Web Server). It has been declared as critical. This vulnerability affects the function njs_json_parse_iterator_call of the file njs_json.c. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Nginx NJS v0.7.2 was discovered to contain a heap-use-after-free bug caused by illegal memory copy in the function njs_json_parse_iterator_call at njs_json.c.

The weakness was presented 10/29/2022 as 480. The advisory is shared for download at github.com. This vulnerability was named CVE-2022-43286 since 10/17/2022. There are known technical details, but no exploit is available.

Applying the patch 2ad0ea24a58d570634e09c2e58c3b314505eaa6a is able to eliminate this problem. The bugfix is ready for download at github.com.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Use after free
CWE: CWE-416 / 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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 2ad0ea24a58d570634e09c2e58c3b314505eaa6a

Timelineinfo

10/17/2022 🔍
10/29/2022 +12 days 🔍
10/29/2022 +0 days 🔍
10/29/2022 +0 days 🔍

Sourcesinfo

Product: github.com

Advisory: 480
Status: Confirmed

CVE: CVE-2022-43286 (🔍)
GCVE (CVE): GCVE-0-2022-43286
GCVE (VulDB): GCVE-100-212488

Entryinfo

Created: 10/29/2022 11:57
Changes: 10/29/2022 11:57 (44)
Complete: 🔍
Cache ID: 216::103

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