Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU76002
Risk: Low
CVSSv3.1: 5.6 [CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-26555
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows an attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error within praecis_parse() function in ntpd/refclock_palisade.c. An attacker with physical proximity to device can trigger an out-of-bounds write error by manipulating the GPS receiver and execute arbitrary code on the target system.
MitigationUpdate the affected package ntp to the latest version.
Vulnerable software versionsLegacy Module: 15-SP4 - 15-SP5
SUSE Linux Enterprise Server for SAP Applications 15: SP4 - SP5
SUSE Linux Enterprise Server 15: SP4 - SP5
SUSE Linux Enterprise High Performance Computing 15: SP4
openSUSE Leap: 15.4 - 15.5
SUSE Manager Retail Branch Server: 4.3
SUSE Manager Server: 4.3
SUSE Manager Proxy: 4.3
ntp-debugsource: before 4.2.8p17-150000.4.25.1
ntp-doc: before 4.2.8p17-150000.4.25.1
ntp-debuginfo: before 4.2.8p17-150000.4.25.1
ntp: before 4.2.8p17-150000.4.25.1
External linkshttp://www.suse.com/support/update/announcement/2023/suse-su-20232608-1/
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.