CentOS 8 : unbound (CESA-2020:1716)

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2020:1716 advisory. - unbound: command injection with data coming from a specially crafted IPSECKEY answer CVE-2019-18934 Note that Nessus has not tested for this issue but has...

unbound: command injection with data coming from a specially crafted IPSECKEY answer

A shell command injection vulnerability was discovered in the way unbound handles DNS queries for systems with a public key used for IPsec. When ipsecmod is enabled, a malicious DNS server could send a DNS reply which would be used during a following DNS query to execute shell commands with the...

Shell Code Execution

libunbound.so is vulnerable to shell code execution. The attack is possible due to not proper handling of a malicious IPSECKEY answer in the ipsec. The vulnerability can only triggered when the following conditions are met: 1 compiled the library with --enable-ipsecmod support, and ipsecmod is...

PT-2019-6282

Name of the Vulnerable Software and Affected Versions Unbound versions 1.6.4 through 1.9.4 Description The issue is related to the lack of input data sanitization in the ipsec module of the Unbound DNS server, allowing a remote attacker to access confidential data, compromise its integrity, and...