Early Access — Mondoo Vulnerability Intelligence is currently in preview.
In ConnMan through 1.44, parse_rr in dnsproxy.c has a memcpy length that depends on an RR RDLENGTH value, i.e., *rdlen=ntohs(rr->rdlen) and memcpy(response+offset,*end,*rdlen) without a check for whether the sum of *end and *rdlen exceeds max. Consequently, *rdlen may be larger than the amount of remaining packet data in the current state of parsing. Values of stack memory locations may be sent over the network in a response.
Exploitability
AV:NAC:HPR:NUI:NScope
S:UImpact
C:LI:NA:L4.8/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:LOther