Bug 1214257 (CVE-2020-36024) - VUL-0: CVE-2020-36024: poppler: NULL Pointer Deference in `FoFiType1C:convertToType1`
Summary: VUL-0: CVE-2020-36024: poppler: NULL Pointer Deference in `FoFiType1C:convert...
Status: NEW
Alias: CVE-2020-36024
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents (show other bugs)
Version: unspecified
Hardware: Other Other
: P3 - Medium : Normal
Target Milestone: ---
Assignee: Security Team bot
QA Contact: Security Team bot
URL: https://smash.suse.de/issue/375160/
Whiteboard: CVSSv3.1:SUSE:CVE-2020-36024:5.5:(AV:...
Keywords:
Depends on:
Blocks:
 
Reported: 2023-08-14 12:52 UTC by Alexander Bergmann
Modified: 2024-03-19 07:48 UTC (History)
2 users (show)

See Also:
Found By: Security Response Team
Services Priority:
Business Priority:
Blocker: ---
Marketing QA Status: ---
IT Deployment: ---


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Description Alexander Bergmann 2023-08-14 12:52:51 UTC
CVE-2020-36024

An issue was discovered in freedesktop poppler version 20.12.1, allows remote attackers to cause a denial of service (DoS) via crafted .pdf file to FoFiType1C::convertToType1 function.

References:

https://gitlab.freedesktop.org/poppler/poppler/-/issues/1016

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-36024
https://bugzilla.redhat.com/show_bug.cgi?id=2231520
https://www.cve.org/CVERecord?id=CVE-2020-36024
https://gitlab.freedesktop.org/poppler/poppler/-/issues/1016
Comment 1 Petr Gajdos 2023-09-27 11:56:18 UTC
BEFORE

TW,15sp4/poppler

:/214257 # pdftops poc /dev/null
[..]
Syntax Error: Embedded font file may be invalid
Syntax Warning: Mismatch between font type and embedded font file
[..]
Syntax Error (4740): Incorrect number of arguments in 'scn' command
:/214257 #

15sp2,15,12sp2,12/poppler

:/214257 # pdftops poc /dev/null
[..]
Syntax Error (18748): Dictionary key must be a name object
Syntax Error: Embedded font file may be invalid
Syntax Warning: Mismatch between font type and embedded font file
Segmentation fault (core dumped)
:/214257 #


PATCH

https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/748/diffs
TW,15sp4: the fix is already in


AFTER

15sp2,15,12sp2,12/poppler

:/214257 # pdftops poc /dev/null
[..]
Syntax Error: Embedded font file may be invalid
Syntax Warning: Mismatch between font type and embedded font file
[..]
Syntax Error (4740): Incorrect number of arguments in 'scn' command
:/214257 #
Comment 2 Petr Gajdos 2023-09-27 12:10:43 UTC
Submitted for 15sp2,15,12sp2,12/poppler.

I believe all fixed.
Comment 4 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 5 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 6 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 7 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.