CVE-2020-12783 Information
Share on:Description
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.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Reference
https://bugs.exim.org/show_bug.cgi?id=2571 https://git.exim.org/exim.git/commit/57aa14b216432be381b6295c312065b2fd034f86 https://git.exim.org/exim.git/commit/a04174dc2a84ae1008c23b6a7109e7fa3fb7b8b0 https://lists.debian.org/debian-lts-announce/2020/05/msg00017.html https://lists.fedoraproject.org/archives/list/[email protected]/message/F6IQQ2SERFUD4WMRSX6XYDNK7Q4GPT7Y/ https://lists.fedoraproject.org/archives/list/[email protected]/message/M7Z5UG6ZIG32V7M4PP3BCC65C27EWK7G/ https://usn.ubuntu.com/4366-1/ https://www.debian.org/security/2020/dsa-4687
Attack Complexity
LOW
Privileges Required
NONE
User Interaction Required
NONE
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
HIGH
Availability Impact
NONE
Base Score
NONE
Base Severity
7.5