CVE-2020-3810
MEDIUMCVSS 5.5/10EPSS 1.31%
Last modified
CVE-2020-3810 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 1.31% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Debian | Apt | < 2.1.2 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Fedoraproject | Fedora | 32 |
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 19.10 |
| Canonical | Ubuntu Linux | 20.04 |
References
- https://bugs.launchpad.net/bugs/1878177Issue Tracking, Third Party Advisory
- https://github.com/Debian/apt/issues/111Exploit, Third Party Advisory
- https://lists.debian.org/debian-security-announce/2020/msg00089.htmlMailing List, Vendor Advisory
- https://salsa.debian.org/apt-team/apt/-/commit/dceb1e49e4b8e4dadaf056be34088b415939cda6Patch, Vendor Advisory
- https://tracker.debian.org/news/1144109/accepted-apt-212-source-into-unstable/Release Notes, Vendor Advisory
- https://usn.ubuntu.com/4359-1/Third Party Advisory
- https://usn.ubuntu.com/4359-2/Third Party Advisory
- https://bugs.launchpad.net/bugs/1878177Issue Tracking, Third Party Advisory
- https://github.com/Debian/apt/issues/111Exploit, Third Party Advisory
- https://lists.debian.org/debian-security-announce/2020/msg00089.htmlMailing List, Vendor Advisory
- https://salsa.debian.org/apt-team/apt/-/commit/dceb1e49e4b8e4dadaf056be34088b415939cda6Patch, Vendor Advisory
- https://tracker.debian.org/news/1144109/accepted-apt-212-source-into-unstable/Release Notes, Vendor Advisory
- https://usn.ubuntu.com/4359-1/Third Party Advisory
- https://usn.ubuntu.com/4359-2/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2020-3810?
CVE-2020-3810 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.31% probability of exploitation in the next 30 days.
How do I fix CVE-2020-3810?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-3810?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST