PT-2023-14681 · Json.H · Json.H

Hyrathon · Published 2023-02-03 · Updated 2023-02-09 · CVE-2022-45491

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions sheredom json.h versions before commit 0825301a07cbf51653882bf2b153cc81fdadf41

Description The issue is related to a buffer overflow vulnerability in the json parse value function. This vulnerability allows attackers to execute arbitrary code and gain escalated privileges.

Recommendations For versions before commit 0825301a07cbf51653882bf2b153cc81fdadf41, update to a version that includes the fix for this issue. As a temporary workaround, consider restricting the use of the json parse value function until a patch is available.

Fix

Heap Based Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-122

CWE-787

Related Identifiers

AZL-74511

CVE-2022-45491

GHSA-55FM-GM4M-3V3J

Affected Products

Json.H

References · 6

• https://osv.dev/vulnerability/AZL-74511 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-45491 · Security Note
• https://osv.dev/vulnerability/CVE-2022-45491 · Vendor Advisory
• https://github.com/sheredom/json.h/issues/94 · Note
• https://t.me/cvenotify/44025 · Telegram Post
• https://github.com/hyrathon/trophies/security/advisories/GHSA-55fm-gm4m-3v3j · Note