Bug 1848634 (CVE-2020-3810)

Summary:	CVE-2020-3810 apt: missing input validation in the ar/tar implementations leads to DoS
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	axel.thimm, dridi.boukelmoune, itamar, moceap, ngompa13, sergio
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-06-18 17:20:33 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1848635
Bug Blocks:

Description Dhananjay Arunesh 2020-06-18 16:21:51 UTC

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.

References:
https://github.com/Debian/apt/issues/111
https://lists.debian.org/debian-security-announce/2020/msg00089.html
https://salsa.debian.org/apt-team/apt/-/commit/dceb1e49e4b8e4dadaf056be34088b415939cda6

Comment 1 Dhananjay Arunesh 2020-06-18 16:22:15 UTC

Created apt tracking bugs for this issue:

Affects: fedora-all [bug 1848635]

Comment 2 Product Security DevOps Team 2020-06-18 17:20:33 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.