OpenSMTPD: Multiple vulnerabilities

Background OpenSMTPD is a lightweight but featured SMTP daemon from OpenBSD. Description Multiple vulnerabilities have been discovered in OpenSMTPD. Please review the CVE identifiers referenced below for details. Impact A remote attacker, by connecting to the SMTP listener daemon, could possibly...

sudo: Privilege escalation

Background sudo su “do” allows a system administrator to delegate authority to give certain users or groups of users the ability to run some or all commands as root or another user while providing an audit trail of the commands and their arguments. Description The fix present in...

Dnsmasq: Poisoning and Denial of Service vulnerabilities

Background Dnsmasq is a lightweight and easily-configurable DNS forwarder and DHCP server. Description Dnsmasq does not properly detect that DNS replies received do not correspond to any DNS query that was sent. Rob Holland of the Gentoo Linux Security Audit team also discovered two off-by-one...