exim: out-of-bounds read in the SPA authenticator (CVE-2020-12783)
Exim through 4.93 has an out-of-bounds read in the SPA authenticator that could result in SPA/NTLM authentication bypass in auths/spa.c and auths/auth-spa.c.
References:
Patches:
- https://git.exim.org/exim.git/commit/57aa14b216432be381b6295c312065b2fd034f86
- https://git.exim.org/exim.git/commit/a04174dc2a84ae1008c23b6a7109e7fa3fb7b8b0
Affected branches:
-
master -
3.11-stable