Nginx NJS 0.7.5 src/njs_djb_hash.c njs_djb_hash memory corruption

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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Nginx NJS 0.7.5. Affected by this vulnerability is the function njs_djb_hash of the file src/njs_djb_hash.c. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2022-34030. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Nginx NJS 0.7.5 (Web Server). This issue affects the function njs_djb_hash of the file src/njs_djb_hash.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Nginx NJS v0.7.5 was discovered to contain a segmentation violation via njs_djb_hash at src/njs_djb_hash.c.

The weakness was shared 07/19/2022 as 540. The advisory is shared at github.com. The identification of this vulnerability is CVE-2022-34030 since 06/20/2022. Technical details are known, 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.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Web Server

Vendor

Nginx

Name

Version

0.7.5

License

open-source

Website

Product: https://github.com/nginx/njs/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

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: Memory corruption
CWE: 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/20/2022 🔍
07/19/2022 +29 days 🔍
07/19/2022 +0 days 🔍
08/06/2022 +18 days 🔍

Sourcesinfo

Product: github.com

Advisory: 540
Status: Confirmed

CVE: CVE-2022-34030 (🔍)
GCVE (CVE): GCVE-0-2022-34030
GCVE (VulDB): GCVE-100-204149

Entryinfo

Created: 07/19/2022 09:59
Updated: 08/06/2022 10:53
Changes: 07/19/2022 09:59 (41), 08/06/2022 10:53 (11)
Complete: 🔍
Cache ID: 216::103