Bug 1665259 (CVE-2018-20551)

Summary:	CVE-2018-20551 poppler: reachable Object::getString assertion in AnnotRichMedia class in Annot.c
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	mkasik
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:	2019-09-12 12:45:36 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:	1665260, 1665261, 1677025, 1690478
Bug Blocks:	1665262

Description Laura Pardo 2019-01-10 20:03:06 UTC

A flaw was found in Poppler 0.72.0. A reachable Object::getString assertion allows attackers to cause a denial of service due to construction of invalid rich media annotation assets in the AnnotRichMedia class in Annot.c.


References:
https://gitlab.freedesktop.org/poppler/poppler/issues/703

Upstream Patch:
https://gitlab.freedesktop.org/poppler/poppler/merge_requests/146

Comment 1 Laura Pardo 2019-01-10 20:03:23 UTC

Created mingw-poppler tracking bugs for this issue:

Affects: fedora-all [bug 1665261]


Created poppler tracking bugs for this issue:

Affects: fedora-all [bug 1665260]

Comment 3 Scott Gayou 2019-02-13 19:29:30 UTC

Unable to reproduce this on Red Hat Enterprise Linux 5,6 or 7.

```
pdfdetach -save 1 poc1.pdf
Syntax Error: End of file inside dictionary
Syntax Warning: No valid XRef size in trailer
Syntax Error: Bad bounding box for annotation
Command Line Error: Invalid file number
```

Comment 6 errata-xmlrpc 2019-09-11 09:33:12 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2019:2713 https://access.redhat.com/errata/RHSA-2019:2713

Comment 7 Product Security DevOps Team 2019-09-12 12:45:36 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-2018-20551