Bug 1214527 (CVE-2020-22218)

Summary:	VUL-0: CVE-2020-22218: libssh2_org: _libssh2_packet_add allows to access out of bounds memory.
Product:	[Novell Products] SUSE Security Incidents	Reporter:	Robert Frohl <rfrohl>
Component:	Incidents	Assignee:	Security Team bot <security-team>
Status:	RESOLVED FIXED	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P3 - Medium	CC:	andreas.taschner, david.anes, pmonrealgonzalez, security-team
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/375979/
Whiteboard:	CVSSv3.1:SUSE:CVE-2020-22218:7.5:(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 Robert Frohl 2023-08-23 11:40:42 UTC

CVE-2020-22218

An issue was discovered in function _libssh2_packet_add in libssh2 1.10.0 allows
attackers to access out of bounds memory.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-22218
https://www.cve.org/CVERecord?id=CVE-2020-22218
https://github.com/libssh2/libssh2/pull/476

Comment 3 Pedro Monreal Gonzalez 2023-08-28 08:50:14 UTC

Upstream confirmation: https://github.com/libssh2/libssh2/issues/1178

Comment 6 Maintenance Automation 2023-09-08 16:30:38 UTC

SUSE-SU-2023:3555-1: An update that solves one vulnerability can now be installed.

Category: security (important)
Bug References: 1214527
CVE References: CVE-2020-22218
Sources used:
SUSE Linux Enterprise Micro 5.2 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Linux Enterprise Micro for Rancher 5.2 (src): libssh2_org-1.9.0-150000.4.16.1
openSUSE Leap 15.4 (src): libssh2_org-1.9.0-150000.4.16.1
openSUSE Leap 15.5 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Linux Enterprise Micro for Rancher 5.3 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Linux Enterprise Micro 5.3 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Linux Enterprise Micro for Rancher 5.4 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Linux Enterprise Micro 5.4 (src): libssh2_org-1.9.0-150000.4.16.1
Basesystem Module 15-SP4 (src): libssh2_org-1.9.0-150000.4.16.1
Basesystem Module 15-SP5 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP3 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Linux Enterprise Server for SAP Applications 15 SP1 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Linux Enterprise Server for SAP Applications 15 SP2 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Linux Enterprise Server for SAP Applications 15 SP3 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Manager Proxy 4.2 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Manager Retail Branch Server 4.2 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Manager Server 4.2 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Enterprise Storage 7.1 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Enterprise Storage 7 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE CaaS Platform 4.0 (src): libssh2_org-1.9.0-150000.4.16.1
SUSE Linux Enterprise Micro 5.1 (src): libssh2_org-1.9.0-150000.4.16.1

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 8 Maintenance Automation 2023-09-22 20:30:04 UTC

SUSE-SU-2023:3738-1: An update that solves one vulnerability can now be installed.

Category: security (important)
Bug References: 1214527
CVE References: CVE-2020-22218
Sources used:
SUSE Linux Enterprise Software Development Kit 12 SP5 (src): libssh2_org-1.4.3-26.5.1
SUSE Linux Enterprise High Performance Computing 12 SP5 (src): libssh2_org-1.4.3-26.5.1
SUSE Linux Enterprise Server 12 SP5 (src): libssh2_org-1.4.3-26.5.1
SUSE Linux Enterprise Server for SAP Applications 12 SP5 (src): libssh2_org-1.4.3-26.5.1

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 9 Marcus Meissner 2023-10-23 08:52:12 UTC

done