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Bug 833454 (CVE-2021-46461, CVE-2021-46462, CVE-2021-46463, CVE-2022-25139) - <www-servers/nginx-1.21.6-r3: multiple vulnerabilities
Summary: <www-servers/nginx-1.21.6-r3: multiple vulnerabilities
Status: RESOLVED FIXED
Alias: CVE-2021-46461, CVE-2021-46462, CVE-2021-46463, CVE-2022-25139
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal minor (vote)
Assignee: Gentoo Security
URL:
Whiteboard: B3 [noglsa]
Keywords:
Depends on:
Blocks:
 
Reported: 2022-02-16 03:30 UTC by John Helmert III
Modified: 2022-08-18 21:27 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---


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Description John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2022-02-16 03:30:10 UTC
CVE-2022-25139 (https://github.com/nginx/njs/issues/451):

njs through 0.7.0, used in NGINX, was discovered to contain a heap use-after-free in njs_await_fulfilled.

Patch: https://github.com/nginx/njs/commit/6a07c2156a07ef307b6dcf3c2ca8571a5f1af7a6):

CVE-2021-46461 (https://github.com/nginx/njs/issues/450):

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.

Patch: https://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2

CVE-2021-46462 (https://github.com/nginx/njs/issues/449):

njs through 0.7.1, used in NGINX, was discovered to contain a segmentation violation via njs_object_set_prototype in /src/njs_object.c.

Patch: https://github.com/nginx/njs/commit/39e8fa1b7db1680654527f8fa0e9ee93b334ecba

CVE-2021-46463 (https://github.com/nginx/njs/issues/447):

njs through 0.7.1, used in NGINX, was discovered to contain a control flow hijack caused by a Type Confusion vulnerability in njs_promise_perform_then().

Patch: https://github.com/nginx/njs/commit/6a40a85ff239497c6458c7dbef18f6a2736fe992

Maintainer, are we affected? Please also clarify if we are still
affected in https://bugs.gentoo.org/686424.
Comment 1 John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2022-08-18 21:27:03 UTC
These were fixed by bug 838247, all of the patches are in njs-0.7.2. No GLSA for the same reason as that bug - JS that nginx executes is trusted. All done!