CVE-2020-28021

Name
CVE-2020-28021
Description
Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. An authenticated remote SMTP client can insert newline characters into a spool file (which indirectly leads to remote code execution as root) via AUTH= in a MAIL FROM command.
NVD Severity
high
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
MISC https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28021-MAUTH.txt

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* exim >= 4.00: < 4.94.2:
cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* exim >= 4.00 < 4.94.2

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
exim edge-community 4.94.2-r1 Jesse Young <jlyo@jlyo.org> fixed
exim edge-community 4.94.2-r0 Jesse Young <jlyo@jlyo.org> fixed
exim edge-community 4.93-r1 None possibly vulnerable
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 4.94.2-r0 None fixed
exim 3.22-community 4.93-r1 None possibly vulnerable
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 4.94.2-r0 None fixed
exim 3.20-community 4.94.2-r0 None fixed
exim 3.19-community 4.94.2-r0 None fixed
exim 3.18-community 4.94.2-r0 None fixed
exim 3.17-community 4.94.2-r0 None fixed