7.5

CVE-2020-12783

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Exim ≫ Exim Version <= 4.93
Fedoraproject ≫ Fedora Version 31
Fedoraproject ≫ Fedora Version 32
Debian ≫ Debian Linux Version 8.0
Debian ≫ Debian Linux Version 9.0
Debian ≫ Debian Linux Version 10.0
Canonical ≫ Ubuntu Linux Version 14.04 SwEdition esm
Canonical ≫ Ubuntu Linux Version 16.04 SwEdition esm
Canonical ≫ Ubuntu Linux Version 18.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 19.10
Canonical ≫ Ubuntu Linux Version 20.04 SwEdition lts
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 4.55% 0.905
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:P/I:N/A:N
CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

http://www.openwall.com/lists/oss-security/2021/05/04/7
Third Party Advisory
Exploit
Mailing List
https://bugs.exim.org/show_bug.cgi?id=2571
Third Party Advisory
https://git.exim.org/exim.git/commit/57aa14b216432be381b6295c312065b2fd034f86
Patch
Third Party Advisory
https://git.exim.org/exim.git/commit/a04174dc2a84ae1008c23b6a7109e7fa3fb7b8b0
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00017.html
Third Party Advisory
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F6IQQ2SERFUD4WMRSX6XYDNK7Q4GPT7Y/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7Z5UG6ZIG32V7M4PP3BCC65C27EWK7G/
https://usn.ubuntu.com/4366-1/
Third Party Advisory
https://www.debian.org/security/2020/dsa-4687
Third Party Advisory