CVE-2021-45958

Sažetak

UltraJSON (aka ujson) through 5.1.0 has a stack-based buffer overflow in Buffer_AppendIndentUnchecked (called from encode). Exploitation can, for example, use a large amount of indentation.

Reference

https://github.com/google/oss-fuzz-vulns/blob/main/vulns/ujson/OSV-2021-955.yaml
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36009
https://github.com/ultrajson/ultrajson/issues/501
https://github.com/ultrajson/ultrajson/issues/502#issuecomment-1031747284
https://github.com/ultrajson/ultrajson/pull/504
https://lists.debian.org/debian-lts-announce/2022/02/msg00023.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CN7W3GOXALINKFUUE7ICQIC2EF5HNKUQ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ULX35TSWLBBIMEH44MUORPXYYRZKEDC6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O6JUWQTJLA2CMG4CJN7DCUVSOXLZIIXL/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NAU5N4A7EUK2AMUCOLYDD5ARXAJYZBD2/

CVSS

Base:	4.3
Impact:	2.9
Exploitability:	8.6

Pristup

Vektor	Složenost	Autentikacija
NETWORK	MEDIUM	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
NONE	NONE	PARTIAL

CVSS vektor

AV:N/AC:M/Au:N/C:N/I:N/A:P

Zadnje važnije ažuriranje

07-11-2023 - 03:39

Objavljeno

01-01-2022 - 00:15