CVE-2022-43286 — CRITICAL (9.8)

Vulnerability Description

Nginx NJS v0.7.2 was discovered to contain a heap-use-after-free bug caused by illegal memory copy in the function njs_json_parse_iterator_call at njs_json.c.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
F5	Njs	0.7.2

Related Weaknesses (CWE)

CWE-416

References

https://github.com/nginx/njs/commit/2ad0ea24a58d570634e09c2e58c3b314505eaa6aPatchThird Party Advisory
https://github.com/nginx/njs/issues/480ExploitIssue TrackingPatch
https://github.com/nginx/njs/commit/2ad0ea24a58d570634e09c2e58c3b314505eaa6aPatchThird Party Advisory
https://github.com/nginx/njs/issues/480ExploitIssue TrackingPatch

FAQ

What is CVE-2022-43286?

CVE-2022-43286 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Nginx NJS v0.7.2 was discovered to contain a heap-use-after-free bug caused by illegal memory copy in the function njs_json_parse_iterator_call at njs_json.c.

How severe is CVE-2022-43286?

CVE-2022-43286 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2022-43286?

Check the references section above for vendor advisories and patch information. Affected products include: F5 Njs.