PT-2023-4758 · Json-C+3 · Json-C+3

Seviezhou · Published 2023-08-22 · Updated 2025-06-25 · CVE-2021-32292

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions json-c versions 0.14 through 0.15-20200726

Description A stack-buffer-overflow issue exists in the json parse auxiliary sample program, specifically in the parseit function. This issue is related to a buffer overflow in memory, which can be exploited by a remote attacker to execute arbitrary code.

Recommendations For json-c versions 0.14 through 0.15-20200726, consider disabling the parseit function as a temporary workaround until a patch is available. Restrict access to the json parse auxiliary sample program to minimize the risk of exploitation.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALT-PU-2023-6479

ALT-PU-2023-6481

ALT-PU-2023-6841

AZL-28060

BDU:2023-05198

BIT-JSON-C-2021-32292

CVE-2021-32292

DSA-5486-1

OESA-2023-1571

OESA-2023-1572

OESA-2023-1573

USN-6310-1

Affected Products

Alt Linux

Linuxmint

Ubuntu

Json-C

References · 26

• 🔥 https://github.com/json-c/json-c/issues/654 · Exploit
• https://debian.org/security/2023/dsa-5486 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2023-1572 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-5486-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-32292 · Security Note
• https://ubuntu.com/security/CVE-2021-32292 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-32292 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-32292 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6310-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-32292 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6310-1 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-json-c-2021-32292 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-28060 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-05198 · Security Note
• https://osv.dev/vulnerability/OESA-2023-1571 · Vendor Advisory