CVE-2023-26551 — Out-of-bounds Write in NTP

CWE-787 — Out-of-bounds Write6 documents6 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 updateApr 12

Description

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write in the cp<cpdec while loop. 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-536x-rjq6-h9w6: mstolfp in libntp/mstolfp↗2023-04-11
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OSV
CVE-2023-26551: mstolfp in libntp/mstolfp↗2023-04-11
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CVEList
CVE-2023-26551: mstolfp in libntp/mstolfp↗2023-04-11
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📋Vendor Advisories

2
Red Hat
ntp: an out-of-bounds write in the cp<cpdec while loop↗2023-04-12
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Debian
CVE-2023-26551: ntp - mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write in the cp...↗2023
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