PT-2022-3360 · Nginx · Nginx Njs

P1Umer + 1 · Published 2022-03-16 · Updated 2022-06-09 · CVE-2022-29779

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Nginx NJS versions prior to a fixed version, the exact version of which is not specified.

Description The issue is related to a buffer overflow in the njs value own enumerate() function of the njs interpreter in the Nginx server. This could allow a remote attacker to cause a denial of service. The function njs value own enumerate at src/njs value.c is specifically affected.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Resource Exhaustion

Buffer Overflow

Weakness Enumeration

CWE-400

CWE-119

Related Identifiers

BDU:2022-04120

CVE-2022-29779

Affected Products

Nginx Njs

References · 6

• 🔥 https://github.com/nginx/njs/issues/485 · Exploit
• https://github.com/nginx/njs/commit/2e00e95473861846aa8538be87db07699d9f676d · Patch
• https://osv.dev/vulnerability/CVE-2022-29779 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-29779 · Security Note
• https://bdu.fstec.ru/vul/2022-04120 · Security Note
• https://security.snyk.io/vuln/SNYK-UNMANAGED-NGINXNJS-2858278 · Note