PT-2022-2606 · Nginx · Nginx Njs

Q1Iq · Published 2022-05-12 · Updated 2022-05-23 · CVE-2022-29369

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Nginx NJS version 0.7.2

Description The issue is related to a segmentation violation via the njs lvlhsh bucket find() function at njs lvlhsh.c in the Nginx NJS interpreter. This can lead to an uncontrolled resource consumption, potentially allowing a remote attacker to cause a denial of service.

Recommendations For Nginx NJS version 0.7.2, consider disabling the njs lvlhsh bucket find() function as a temporary workaround until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Resource Exhaustion

Improper Check for Exceptional Conditions

Weakness Enumeration

CWE-400

CWE-754

Related Identifiers

BDU:2022-03064

CVE-2022-29369

Affected Products

Nginx Njs

References · 7

• https://github.com/nginx/njs/commit/222d6fdcf0c6485ec8e175f3a7b70d650c234b4e · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-29369 · Security Note
• https://osv.dev/vulnerability/CVE-2022-29369 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-03064 · Security Note
• https://github.com/nginx/njs/issues/467 · Note
• https://security.snyk.io/vuln/SNYK-UNMANAGED-NGINXNJS-2824100 · Note
• https://t.me/cibsecurity/42549 · Telegram Post