Vulnerability CVE-2021-46461
Published: 2022-02-14

Description:
njs through 0.7.0, used in NGINX, was discovered to contain an out-of-bounds array access via njs_vmcode_typeof in /src/njs_vmcode.c.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Nginx -> NJS 

 References:
https://github.com/nginx/njs/issues/450
https://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2
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