SB20240613108 - Multiple vulnerabilities in Siemens SITOP UPS1600

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Out-of-bounds write (CVE-ID: CVE-2023-26552)

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-2023-26553)

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-2023-26554)

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.

References

• https://cert-portal.siemens.com/productcert/txt/ssa-238730.txt