CVE-2020-3810
MEDIUM
5.5
CVSS Score
Published: May 15, 2020 at 01:42 PM UTC
Updated: June 17, 2026 at 03:19 AM UTC
4 products affected across 3 vendorsDebian LinuxFedoraUbuntu Linux
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Severity
MEDIUM5.5
Exploit prediction
EPSS 1%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2.1.2
Affected range stops below 2.1.2, so it looks safe — our inference, not a vendor statement
Debian Linux· Debiandrupal
95%95%
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://lists.debian.org/debian-security-announce/2020/msg00089.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U4PEH357MZM2SUGKETMEHMSGQS652QHH/
- https://salsa.debian.org/apt-team/apt/-/commit/dceb1e49e4b8e4dadaf056be34088b415939cda6
- https://tracker.debian.org/news/1144109/accepted-apt-212-source-into-unstable/
- https://usn.ubuntu.com/4359-1/
References (8)
x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://bugs.launchpad.net/bugs/1878177x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/Debian/apt/issues/111x_refsource_MISCMailing ListVendor Advisory
Source: [email protected]
https://lists.debian.org/debian-security-announce/2020/msg00089.htmlVendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U4PEH357MZM2SUGKETMEHMSGQS652QHH/x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://salsa.debian.org/apt-team/apt/-/commit/dceb1e49e4b8e4dadaf056be34088b415939cda6x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://tracker.debian.org/news/1144109/accepted-apt-212-source-into-unstable/Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/4359-1/Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/4359-2/CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-20CWE-125
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