Bug 1823964 (CVE-2020-3898)

Summary:	CVE-2020-3898 cups: heap based buffer overflow in libcups's ppdFindOption() in ppd-mark.c
Product:	[Other] Security Response	Reporter:	msiddiqu
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	msiddiqu, scorneli, security-response-team, twaugh, zdohnal
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:	2020-11-04 02:24:54 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:	1825253, 1825254, 1826330
Bug Blocks:	1823965

Description msiddiqu 2020-04-14 21:54:47 UTC

A heap-based buffer overflow was discovered in in libcups's ppdFindOption() function in ppd-mark.c:430. The issue can be reproduced by loading a crafted ppd file and calling the ppdMarkDefaults() libcups API function.

Comment 1 msiddiqu 2020-04-14 21:54:51 UTC

Acknowledgments:

Name: Apple Product Security
Upstream: Stephan Zeisberg (Security Research Labs)

Comment 14 Stefan Cornelius 2020-04-21 12:55:24 UTC

Public:
https://support.apple.com/en-us/HT211100

Comment 15 Stefan Cornelius 2020-04-21 12:55:47 UTC

Created cups tracking bugs for this issue:

Affects: fedora-all [bug 1826330]

Comment 16 errata-xmlrpc 2020-11-04 01:15:56 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:4469 https://access.redhat.com/errata/RHSA-2020:4469

Comment 17 Product Security DevOps Team 2020-11-04 02:24:54 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-3898