njs up to 0.4.3 njs_json.c njs_json_stringify_iterator out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

A vulnerability was found in njs up to 0.4.3. It has been rated as critical. Affected by this issue is the function njs_json_stringify_iterator of the file njs_json.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

njs through 0.4.3, used in NGINX, has an out-of-bounds read in njs_json_stringify_iterator in njs_json.c.

The weakness was published 08/13/2020. This vulnerability is handled as CVE-2020-24348 since 08/13/2020. The attack needs to be approached locally. No form of authentication is required for exploitation. 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.

Similar entries are available at 159921, 159919 and 159918.

Affected

  • Nginx

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
ATT&CK: Unknown

Local: Yes
Remote: No

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 🔍
08/13/2020 +0 days 🔍
08/14/2020 +1 days 🔍
11/09/2020 +87 days 🔍

Sourcesinfo

Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-24348 (🔍)
See also: 🔍

Entryinfo

Created: 08/14/2020 07:36
Updated: 11/09/2020 23:50
Changes: 08/14/2020 07:36 (37), 08/14/2020 07:41 (17), 11/09/2020 23:50 (1)
Complete: 🔍

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