Out-of-bounds Read in Canonical Ubuntu Linux
CVE-2020-3810
Missing input validation in the ar/tar implementations of APT before version 2.1.2 could result in denial of service when processing specially crafted deb files.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.013 (71.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.3% 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
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Apt — versions before 2.1.2
- Debian Linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 32
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/Debian/apt/issues/111 (Exploit, Third Party Advisory)
- bugs.launchpad.net/bugs/1878177 (Third Party Advisory, Issue Tracking)
- salsa.debian.org/apt-team/apt/-/commit/dceb1e49e4b8e4dadaf056be34088b415939cda6 (Patch, Vendor Advisory)
- lists.debian.org/debian-security-announce/2020/msg00089.html (Mailing List, Vendor Advisory)
- tracker.debian.org/news/1144109/accepted-apt-212-source-into-unstable/ (Release Notes, Vendor Advisory)
- usn.ubuntu.com/4359-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4359-2/ (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2020-3810?
- CVE-2020-3810 is a medium-severity vulnerability in Canonical Ubuntu Linux, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2020-05-15.
- How severe is CVE-2020-3810?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-3810 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.