cve/2020/CVE-2020-12783.md

CVE-2020-12783

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.

POC

Reference

• http://www.openwall.com/lists/oss-security/2021/05/04/7
• http://www.openwall.com/lists/oss-security/2021/05/04/7
• https://bugs.exim.org/show_bug.cgi?id=2571
• https://bugs.exim.org/show_bug.cgi?id=2571

Github

• https://github.com/Live-Hack-CVE/CVE-2020-12783