CVE-2018-4011

CUJO Smart Firewall mdnscap (firmware 7003) is affected by CVE-2018-4011: an integer underflow in SRV RDATA parsing during mDNS DNS RR processing leads to out-of-bounds heap access and a crash of the mdnscap process. The flaw arises when rdlength is small (e.g., 0x05) and the code subtracts 6 wit...

CVE-2018-4011

An exploitable integer underflow vulnerability exists in the mdnscap binary of the CUJO Smart Firewall, version 7003. When parsing SRV records in an mDNS packet, the "RDLENGTH" value is handled incorrectly, leading to an out-of-bounds access that crashes the mdnscap process. An unauthenticated...