CVE-2023-42117

NameCVE-2023-42117
DescriptionExim Improper Neutralization of Special Elements Remote Code Execution Vulnerability
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
exim4 (PTS)buster4.92-8+deb10u6vulnerable
buster (security)4.92-8+deb10u8vulnerable
bullseye4.94.2-7vulnerable
bullseye (security)4.94.2-7+deb11u1vulnerable
bookworm4.96-15+deb12u1vulnerable
bookworm (security)4.96-15+deb12u2vulnerable
sid, trixie4.97-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
exim4source(unstable)4.97~RC2-2

Notes

[bookworm] - exim4 <no-dsa> (Only an issue if Exim4 run behind an untrusted proxy-protocol proxy)
[bullseye] - exim4 <no-dsa> (Only an issue if Exim4 run behind an untrusted proxy-protocol proxy)
[buster] - exim4 <no-dsa> (Only an issue if Exim4 run behind an untrusted proxy-protocol proxy)
https://www.zerodayinitiative.com/advisories/ZDI-23-1471/
https://bugs.exim.org/show_bug.cgi?id=3031
https://www.openwall.com/lists/oss-security/2023/09/29/5
https://www.openwall.com/lists/oss-security/2023/10/01/4
https://exim.org/static/doc/security/CVE-2023-zdi.txt

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