Out-of-bounds Read in Libconfuse Project
CVE-2022-40320
cfg_tilde_expand in confuse.c in libConfuse 3.3 has a heap-based buffer over-read.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.013 (70.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.013 · change: +0.002
Affected products
- Libconfuse Project — versions 3.3
- Fedoraproject Fedora — versions 35, 36, 37
Weakness classification (CWE)
References
- github.com/libconfuse/libconfuse/issues/163 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2022-40320?
- CVE-2022-40320 is a high-severity vulnerability in Libconfuse Project, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2022-09-09.
- How severe is CVE-2022-40320?
- High severity. CVSS v3 base score is 8.8 out of 10.