CVE-2020-3810

Public Exploit

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.44%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory debian.org
Affected: Debian apt
Published at:
Updated at:

References

Link Tags
https://github.com/Debian/apt/issues/111 third party advisory exploit
https://bugs.launchpad.net/bugs/1878177 issue tracking third party advisory
https://salsa.debian.org/apt-team/apt/-/commit/dceb1e49e4b8e4dadaf056be34088b415939cda6 patch vendor advisory
https://lists.debian.org/debian-security-announce/2020/msg00089.html mailing list 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 vendor advisory
https://usn.ubuntu.com/4359-2/ third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U4PEH357MZM2SUGKETMEHMSGQS652QHH/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-3810?
CVE-2020-3810 has been scored as a medium severity vulnerability.
How to fix CVE-2020-3810?
To fix CVE-2020-3810, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-3810 being actively exploited in the wild?
It is possible that CVE-2020-3810 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-3810?
CVE-2020-3810 affects Debian apt.
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