njs up to 0.7.0 /src/njs_vmcode.c njs_vmcode_typeof out-of-bounds

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.0	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in njs up to 0.7.0. This vulnerability affects the function njs_vmcode_typeof of the file /src/njs_vmcode.c. This manipulation causes out-of-bounds. This vulnerability is registered as CVE-2021-46461. Remote exploitation of the attack is possible. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in njs up to 0.7.0. It has been declared as problematic. Affected by this vulnerability is the function njs_vmcode_typeof of the file /src/njs_vmcode.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality.

The weakness was published 02/15/2022 as 450. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-46461 since 01/24/2022. Technical details of the vulnerability are known, but there is no available exploit.

Applying the patch d457c9545e7e71ebb5c0479eb16b9d33175855e2 is able to eliminate this problem. The bugfix is ready for download at github.com.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: d457c9545e7e71ebb5c0479eb16b9d33175855e2

Timelineinfo

01/24/2022 🔍
02/15/2022 +22 days 🔍
02/15/2022 +0 days 🔍
02/18/2022 +3 days 🔍

Sourcesinfo

Advisory: 450
Status: Not defined

CVE: CVE-2021-46461 (🔍)
GCVE (CVE): GCVE-0-2021-46461
GCVE (VulDB): GCVE-100-193075

Entryinfo

Created: 02/15/2022 03:16
Updated: 02/18/2022 06:52
Changes: 02/15/2022 03:16 (41), 02/18/2022 06:52 (1)
Complete: 🔍
Cache ID: 216::103