Meinberg LANTIME firmware update for zlib

1) Buffer overflow

EUVDB-ID: #VU61671

Risk: Medium

CVSSv4.0: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-25032

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when compressing data. A remote attacker can pass specially crafted input to the application, trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

LANTIME Operating System Firmware (LTOS): 6.16.001 - 7.04.015

CPE2.3

• cpe:2.3:h:meinberg:ltos:6.16.001:*:*:*:*:*:*:*
• cpe:2.3:h:meinberg:ltos:6.16.002:*:*:*:*:*:*:*
• cpe:2.3:h:meinberg:ltos:6.16.003:*:*:*:*:*:*:*
• cpe:2.3:h:meinberg:ltos:6.16.004:*:*:*:*:*:*:*
• cpe:2.3:h:meinberg:ltos:*:*:*:*:*:*:*:*
• cpe:2.3:h:meinberg:ltos:6.16.009:*:*:*:*:*:*:*
• cpe:2.3:h:meinberg:ltos:6.16.010:*:*:*:*:*:*:*

External links

https://www.meinbergglobal.com/english/news/meinberg-security-advisory-mbgsa-2022-02-meinberg-lantime-firmware-v7-04-017-and-v6-24-032.htm

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.