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CVE-2023-26555

Published: Apr 11, 2023Updated: Feb 11, 2025 Sources: CVE List NVD BDUCWE-787
6.4MEDIUM
NVD MITRE
EPSS Score
0.5%
Top 59.7%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

praecis_parse in ntpd/refclock_palisade.c in NTP 4.2.8p15 has an out-of-bounds write. Any attack method would be complex, e.g., with a manipulated GPS receiver.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:PAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:PAttack Vector
Physical
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

Novell Inc.
commercial·US
Suse Linux Enterprise DesktopOn-premOS
Operating Systems / linux-distro
SUSE Linux Enterprise Server for SAP ApplicationsOn-premOS
Operating Systems / linux-distro
Red Hat Inc.
commercial·USaka red hat
Red Hat Enterprise LinuxOn-premOS
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
АО «ИВК»
commercial·RUaka ivk
АЛЬТ СП 10On-premOS
Operating Systems / linux-distro
Network Time Foundation
oss-project
NTPOn-prem
Networking Infrastructure / dns-dhcp-ntp
and 4 more affected products View all →

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26555
github.com
https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506546409
github.com
https://access.redhat.com/security/cve/cve-2023-26555
access.redhat.com
and 9 more references View all →
News mentions
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