Bug 1215422 (CVE-2020-23804)

Summary:	VUL-0: CVE-2020-23804: poppler: uncontrolled recursion in pdfinfo and pdftops
Product:	[Novell Products] SUSE Security Incidents	Reporter:	Carlos López <carlos.lopez>
Component:	Incidents	Assignee:	Security Team bot <security-team>
Status:	RESOLVED FIXED	QA Contact:	Security Team bot <security-team>
Severity:	Major
Priority:	P3 - Medium	CC:	abergmann, pgajdos, security-team
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/375986/
Whiteboard:	CVSSv3.1:SUSE:CVE-2020-23804:7.5:(AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description Carlos López 2023-09-18 07:54:36 UTC

CVE-2020-23804

Uncontrolled Recursion in pdfinfo, and pdftops in poppler 0.89.0 allows remote
attackers to cause a denial of service via crafted input.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-23804
https://bugzilla.redhat.com/show_bug.cgi?id=2234526
https://www.cve.org/CVERecord?id=CVE-2020-23804
https://gitlab.freedesktop.org/poppler/poppler/-/issues/936

Comment 1 Petr Gajdos 2023-09-18 15:26:04 UTC

BEFORE

TW,15sp4/poppler

$ valgrind  -q pdfinfo xref.pdf
Syntax Error: File has more than 4096 XRefStm, aborting
Syntax Error: Couldn't find trailer dictionary
Syntax Error: File has more than 4096 XRefStm, aborting
Syntax Error: Couldn't find trailer dictionary
Syntax Error: Couldn't read xref table
$
[already fixed]

15sp2,15,12sp2,12/poppler

:/215422 # pdfinfo xref.pdf
Segmentation fault (core dumped)
:/215422 #


PATCH

https://gitlab.freedesktop.org/poppler/poppler/-/commit/ec8a43c8df29fdd6f1228276160898ccd9401c92


AFTER

15sp2,15,12sp2,12/poppler

:/215422 # pdfinfo xref.pdf
Syntax Error: File has more than 4096 XRefStm, aborting
Syntax Error: Couldn't find trailer dictionary
Syntax Error: File has more than 4096 XRefStm, aborting
Syntax Error: Couldn't find trailer dictionary
Syntax Error: Couldn't read xref table
:/215422 #

Comment 2 Petr Gajdos 2023-09-18 15:56:40 UTC

Submitted for 15sp2,15,12sp2,12/poppler.

I believe all fixed.

Comment 6 Petr Gajdos 2023-09-22 11:23:28 UTC

15sp5/poppler: alrady in upstream tarball, fixed

Comment 10 Maintenance Automation 2023-10-05 12:29:16 UTC

SUSE-SU-2023:3983-1: An update that solves five vulnerabilities can now be installed.

Category: security (important)
Bug References: 1214257, 1214618, 1214621, 1214622, 1215422
CVE References: CVE-2020-23804, CVE-2020-36024, CVE-2022-37050, CVE-2022-37051, CVE-2022-38349
Sources used:
openSUSE Leap 15.4 (src): poppler-0.62.0-150000.4.25.2
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1 (src): poppler-0.62.0-150000.4.25.2
SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 (src): poppler-0.62.0-150000.4.25.2
SUSE Linux Enterprise Server for SAP Applications 15 SP1 (src): poppler-0.62.0-150000.4.25.2
SUSE CaaS Platform 4.0 (src): poppler-0.62.0-150000.4.25.2

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.

Comment 11 Maintenance Automation 2023-10-05 12:29:19 UTC

SUSE-SU-2023:3982-1: An update that solves five vulnerabilities can now be installed.

Category: security (important)
Bug References: 1214257, 1214618, 1214621, 1214622, 1215422
CVE References: CVE-2020-23804, CVE-2020-36024, CVE-2022-37050, CVE-2022-37051, CVE-2022-38349
Sources used:
SUSE Linux Enterprise Software Development Kit 12 SP5 (src): poppler-qt-0.43.0-16.35.2, poppler-0.43.0-16.35.2
SUSE Linux Enterprise High Performance Computing 12 SP5 (src): poppler-qt-0.43.0-16.35.2, poppler-0.43.0-16.35.2
SUSE Linux Enterprise Server 12 SP5 (src): poppler-qt-0.43.0-16.35.2, poppler-0.43.0-16.35.2
SUSE Linux Enterprise Server for SAP Applications 12 SP5 (src): poppler-qt-0.43.0-16.35.2, poppler-0.43.0-16.35.2

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.

Comment 12 Maintenance Automation 2023-10-05 12:29:21 UTC

SUSE-SU-2023:3981-1: An update that solves four vulnerabilities can now be installed.

Category: security (important)
Bug References: 1214257, 1214618, 1214622, 1215422
CVE References: CVE-2020-23804, CVE-2020-36024, CVE-2022-37050, CVE-2022-38349
Sources used:
SUSE Linux Enterprise Software Development Kit 12 SP5 (src): poppler-0.24.4-14.36.2

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.

Comment 13 Maintenance Automation 2023-10-06 16:29:12 UTC

SUSE-SU-2023:3998-1: An update that solves five vulnerabilities can now be installed.

Category: security (important)
Bug References: 1214257, 1214618, 1214621, 1214622, 1215422
CVE References: CVE-2020-23804, CVE-2020-36024, CVE-2022-37050, CVE-2022-37051, CVE-2022-38349
Sources used:
SUSE Manager Server 4.2 (src): poppler-0.79.0-150200.3.21.2
SUSE Enterprise Storage 7.1 (src): poppler-0.79.0-150200.3.21.2
openSUSE Leap 15.4 (src): poppler-0.79.0-150200.3.21.2
Basesystem Module 15-SP4 (src): poppler-0.79.0-150200.3.21.2
Basesystem Module 15-SP5 (src): poppler-0.79.0-150200.3.21.2
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (src): poppler-0.79.0-150200.3.21.2
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP3 (src): poppler-0.79.0-150200.3.21.2
SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 (src): poppler-0.79.0-150200.3.21.2
SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (src): poppler-0.79.0-150200.3.21.2
SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3 (src): poppler-0.79.0-150200.3.21.2
SUSE Linux Enterprise Server for SAP Applications 15 SP2 (src): poppler-0.79.0-150200.3.21.2
SUSE Linux Enterprise Server for SAP Applications 15 SP3 (src): poppler-0.79.0-150200.3.21.2
SUSE Manager Proxy 4.2 (src): poppler-0.79.0-150200.3.21.2
SUSE Manager Retail Branch Server 4.2 (src): poppler-0.79.0-150200.3.21.2

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.

Comment 14 Carlos López 2024-02-22 14:55:35 UTC

Done, closing.