CVE-2023-29323

ascii_load_sockaddr in smtpd in OpenBSD before 7.1 errata 024 and 7.2 before errata 020, and OpenSMTPD Portable before 7.0.0-portable commit f748277, can abort upon a connection from a local, scoped IPv6 address.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
---
CISA-ADPADP
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 11%
VendorProductVersion
opensmtpdopensmtpd
𝑥
< 7.0.0
openbsdopenbsd
7.1
openbsdopenbsd
7.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
opensmtpd
bullseye
no-dsa
bookworm
no-dsa
buster
no-dsa
sid
7.5.0p0-1
fixed
trixie
7.5.0p0-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
opensmtpd
oracular
needs-triage
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needed
focal
needed
bionic
needed
xenial
needed
trusty
ignored
References
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.49&r2=1.49.4.1&f=h
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50&r2=1.50.4.1&f=h
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50&r2=1.51&f=h
https://ftp.openbsd.org/pub/OpenBSD/patches/7.1/common/024_smtpd.patch.sig
https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/020_smtpd.patch.sig
https://github.com/OpenSMTPD/OpenSMTPD/commit/41d0eae481f538956b1f1fbadfb535043454061f
https://github.com/openbsd/src/commit/f748277ed1fc7065ae8998d61ed78b9ab1e55fae
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZBNQBHCM6PIOUR6I5GEQS35XYT2NX6T/
https://security.netapp.com/advisory/ntap-20230526-0006/
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.49&r2=1.49.4.1&f=h
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50&r2=1.50.4.1&f=h
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50&r2=1.51&f=h
https://ftp.openbsd.org/pub/OpenBSD/patches/7.1/common/024_smtpd.patch.sig
https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/020_smtpd.patch.sig
https://github.com/OpenSMTPD/OpenSMTPD/commit/41d0eae481f538956b1f1fbadfb535043454061f
https://github.com/openbsd/src/commit/f748277ed1fc7065ae8998d61ed78b9ab1e55fae
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZBNQBHCM6PIOUR6I5GEQS35XYT2NX6T/
https://security.netapp.com/advisory/ntap-20230526-0006/