CVE-2023-26554 — Out-of-bounds Write in NTP

CWE-787 — Out-of-bounds Write7 documents7 sources
Severity
5.6MEDIUMNVD
EPSS
0.2%
top 52.27%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
NTP
Timeline
PublishedApr 11
Latest updateJun 13

Description

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a '\0' character. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:LExploitability: 2.2 | Impact: 3.4

Affected Packages1 packages

▶NVDntp/ntp4.2.8

🔴Vulnerability Details

3
GHSA
GHSA-p43r-r5fw-2w5x: mstolfp in libntp/mstolfp↗2023-04-11
▶
OSV
CVE-2023-26554: mstolfp in libntp/mstolfp↗2023-04-11
▶
CVEList
CVE-2023-26554: mstolfp in libntp/mstolfp↗2023-04-11
▶

📋Vendor Advisories

3
CISA ICS
Siemens SITOP UPS1600↗2024-06-13
▶
Red Hat
ntp: an out-of-bounds write when adding a '\0' character↗2023-04-12
▶
Debian
CVE-2023-26554: ntp - mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when addi...↗2023
▶