CVE-2020-12783

Name
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.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Patch https://git.exim.org/exim.git/commit/57aa14b216432be381b6295c312065b2fd034f86
Patch https://git.exim.org/exim.git/commit/a04174dc2a84ae1008c23b6a7109e7fa3fb7b8b0
Third Party Advisory https://bugs.exim.org/show_bug.cgi?id=2571
DEBIAN https://www.debian.org/security/2020/dsa-4687
MLIST https://lists.debian.org/debian-lts-announce/2020/05/msg00017.html
UBUNTU https://usn.ubuntu.com/4366-1/
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M7Z5UG6ZIG32V7M4PP3BCC65C27EWK7G/
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F6IQQ2SERFUD4WMRSX6XYDNK7Q4GPT7Y/
MLIST http://www.openwall.com/lists/oss-security/2021/05/04/7

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* exim >= None <= 4.93

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
exim edge-community 4.93-r1 None fixed
exim edge-community 4.92.2-r1 None possibly vulnerable
exim edge-community 4.92.2-r0 None possibly vulnerable
exim edge-community 4.92.1-r0 None possibly vulnerable
exim edge-community 4.92-r0 None possibly vulnerable
exim edge-community 4.90.1-r0 None possibly vulnerable
exim edge-community 4.89.1-r0 None possibly vulnerable
exim edge-community 4.89-r7 None possibly vulnerable
exim edge-community 4.89-r5 None possibly vulnerable
exim 3.22-community 4.93-r1 None fixed
exim 3.22-community 4.92.2-r1 None possibly vulnerable
exim 3.22-community 4.92.2-r0 None possibly vulnerable
exim 3.22-community 4.92.1-r0 None possibly vulnerable
exim 3.22-community 4.92-r0 None possibly vulnerable
exim 3.22-community 4.90.1-r0 None possibly vulnerable
exim 3.22-community 4.89.1-r0 None possibly vulnerable
exim 3.22-community 4.89-r7 None possibly vulnerable
exim 3.22-community 4.89-r5 None possibly vulnerable
exim 3.21-community 4.93-r1 None fixed
exim 3.20-community 4.93-r1 None fixed
exim 3.19-community 4.93-r1 None fixed
exim 3.18-community 4.93-r1 None fixed
exim 3.17-community 4.93-r1 None fixed