Tanzania Computer Emergency Response Team

FreeBSD has released security updates to address vulnerabilities in ggatec, libfetch and openssl. Exploitation of these vulnerabilities may allow an attacker to take control of affected system. Users and administrators are encouraged to review FreeBSD Security Advisories FreeBSD-SA-21:14.ggatec, FreeBSD-SA-21:15.libfetch and FreeBSD-SA-21:16.openssl and apply necessary updates.

Advisory No: TZCERT/SA/2021/08/24 Date of First Release: 24th August 2021 Source: Microsoft Software Affected:  Microsoft Exchange Server 2019Microsoft Exchange Server 2016Microsoft Exchange Server 2013 Overview: Microsoft Exchange Server contains remote code execution vulnerabilities as a result of improper input validation. Exploitation attempts leverage the latest line of “ProxyShell” Microsoft Exchange vulnerabilities. Description: Vulnerabilities exist in a way Microsoft Exchange Servers …

Cisco has released security updates to address vulnerability affecting its multiple products. Exploitation of this vulnerability could allow an attacker to take control of an affected system. Users and Administrators are encouraged to review Cisco Security Advisory and apply necessary updates.

SUSE has released security updates to address vulnerabilities in SUSE Linux enterprise. Exploitation of these vulnerabilities could allow an attacker to take control of an affected system. Users and Administrators are encouraged to review SUSE advisories page and apply necessary updates.

Ubuntu has released security updates to address vulnerabilities in Linux Kernel. Exploitation of these vulnerabilities could allow an attacker to cause Denial of Service (DoS) condition and disclosure of sensitive information to an affected system. Users and Administrators are encouraged to review Ubuntu security advisories USN-5044-1 and USN-5050-1 and apply necessary updates.