Bug 1210387 (CVE-2023-26553)

Summary:	VUL-0: CVE-2023-26553: ntp: ntpq: out-of-bounds write when copying the trailing number
Product:	[Novell Products] SUSE Security Incidents	Reporter:	Alexander Bergmann <abergmann>
Component:	Incidents	Assignee:	Reinhard Max <max>
Status:	RESOLVED DUPLICATE	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P5 - None	CC:	abergmann, security-team
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/363128/
Whiteboard:	CVSSv3.1:SUSE:CVE-2023-26553:4.4:(AV:L/AC:L/PR:H/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 Alexander Bergmann 2023-04-13 06:07:54 UTC

CVE-2023-26553

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when
copying the trailing number.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-26553
https://www.cve.org/CVERecord?id=CVE-2023-26553
https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26553

Comment 1 Alexander Bergmann 2023-04-13 10:00:38 UTC

https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506542825

> I agree with @rma-x that (beside the palisade driver) the CVEs only affect ntpq, not ntpd.

The CVSS score was changed to 4.4.

Comment 2 Alexander Bergmann 2023-04-13 12:25:15 UTC

This issue is now treated as a duplicate of CVE-2023-26551. The main issue comes down to input validation of ntpq that has then effect at multiple code locations.

*** This bug has been marked as a duplicate of bug 1210386 ***

Comment 3 Maintenance Automation 2023-05-09 16:31:04 UTC

SUSE-SU-2023:2142-1: An update that solves four vulnerabilities can now be installed.

Category: security (moderate)
Bug References: 1210386, 1210387, 1210388, 1210389
CVE References: CVE-2023-26551, CVE-2023-26552, CVE-2023-26553, CVE-2023-26554
Sources used:
openSUSE Leap 15.4 (src): ntp-4.2.8p15-150000.4.22.1
Legacy Module 15-SP4 (src): ntp-4.2.8p15-150000.4.22.1

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 4 Maintenance Automation 2023-05-11 08:30:03 UTC

SUSE-SU-2023:2171-1: An update that solves four vulnerabilities can now be installed.

Category: security (moderate)
Bug References: 1210386, 1210387, 1210388, 1210389
CVE References: CVE-2023-26551, CVE-2023-26552, CVE-2023-26553, CVE-2023-26554
Sources used:
SUSE Linux Enterprise High Performance Computing 12 SP5 (src): ntp-4.2.8p15-100.1
SUSE Linux Enterprise Server 12 SP5 (src): ntp-4.2.8p15-100.1
SUSE Linux Enterprise Server for SAP Applications 12 SP5 (src): ntp-4.2.8p15-100.1

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.