Buffer overflow in Json-C
CVE-2021-32292
An issue was discovered in json-c from 20200420 (post 0.14 unreleased code) through 0.15-20200726. A stack-buffer-overflow exists in the auxiliary sample program json_parse which is located in the function parseit.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.013 (69.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Json-C — versions 0.15-20200726
- NetApp Active Iq Unified Manager
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/json-c/json-c/issues/654 (Exploit, Issue Tracking)
- www.debian.org/security/2023/dsa-5486 (vendor-advisory, Third Party Advisory)
- security.netapp.com/advisory/ntap-20230929-0010/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-32292?
- CVE-2021-32292 is a critical-severity vulnerability in Json-C, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-08-22.
- How severe is CVE-2021-32292?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-32292 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.