SB2023051060 - SUSE update for ntp
Published: May 10, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 vulnerabilities.
1) Out-of-bounds write (CVE-ID: CVE-2023-26551)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error within mstolfp in libntp/mstolfp.c. A remote attacker with control over a malicious NTP server can trick the victim into connecting to it, trigger an out-of-bounds write and execute arbitrary code on the target system via the client ntpq process.
2) Out-of-bounds write (CVE-ID: CVE-2023-26552)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error within mstolfp in libntp/mstolfp.c. A remote attacker with control over a malicious NTP server can trick the victim into connecting to it, trigger an out-of-bounds write and execute arbitrary code on the target system via the client ntpq process.
3) Out-of-bounds write (CVE-ID: CVE-2023-26553)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error within mstolfp in libntp/mstolfp.c. A remote attacker with control over a malicious NTP server can trick the victim into connecting to it, trigger an out-of-bounds write and execute arbitrary code on the target system via the client ntpq process.
4) Out-of-bounds write (CVE-ID: CVE-2023-26554)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error within mstolfp in libntp/mstolfp.c. A remote attacker with control over a malicious NTP server can trick the victim into connecting to it, trigger an out-of-bounds write and execute arbitrary code on the target system via the client ntpq process.
Remediation
Install update from vendor's website.