Out-of-bounds Read in Maxmind Libmaxminddb
CVE-2020-28241
libmaxminddb before 1.4.3 has a heap-based buffer over-read in dump_entry_data_list in maxminddb.c.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.022 (81.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Maxmind Libmaxminddb
- Debian Linux — versions 9.0
- Fedoraproject Fedora — versions 32, 33
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/maxmind/libmaxminddb/issues/236 (Exploit, Patch, Third Party Advisory)
- github.com/maxmind/libmaxminddb/pull/237 (Patch, Third Party Advisory)
- github.com/maxmind/libmaxminddb/compare/1.4.2...1.4.3 (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/11/msg00019.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202011-15 (vendor-advisory, Third Party 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-2020-28241?
- CVE-2020-28241 is a medium-severity vulnerability in Maxmind Libmaxminddb, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2020-11-06.
- How severe is CVE-2020-28241?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-28241 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.