Out-of-bounds Read in Exiv2
CVE-2020-18771
Exiv2 0.27.99.0 has a global buffer over-read in Exiv2::Internal::Nikon1MakerNote::print0x0088 in nikonmn_int.cpp which can result in an information leak.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Exiv2 — versions 0.27.99.0
- Debian Linux — versions 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/Exiv2/exiv2/issues/756 (Exploit, Third Party Advisory, Issue Tracking)
- cwe.mitre.org/data/definitions/126.html (Technical Description, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/01/msg00004.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202312-06 (vendor-advisory)
Frequently asked questions
- What is CVE-2020-18771?
- CVE-2020-18771 is a high-severity vulnerability in Exiv2, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2021-08-23.
- How severe is CVE-2020-18771?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2020-18771 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.