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CVE-2023-29323

Date: April 3, 2023

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.

Language: C

Severity Score

Related Resources (14)

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://security.netapp.com/advisory/ntap-20230526-0006/
https://nvd.nist.gov/vuln/detail/CVE-2023-29323
https://github.com/OpenSMTPD/OpenSMTPD/blob/41d0eae481f538956b1f1fbadfb535043454061f/usr.sbin/smtpd/envelope.c#L280
https://github.com/openbsd/src/commit/f748277ed1fc7065ae8998d61ed78b9ab1e55fae
https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/020_smtpd.patch.sig
https://people.canonical.com/~ubuntu-security/cve/CVE-2023-29323
https://ftp.openbsd.org/pub/OpenBSD/patches/7.1/common/024_smtpd.patch.sig
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://security-tracker.debian.org/tracker/CVE-2023-29323
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZBNQBHCM6PIOUR6I5GEQS35XYT2NX6T/
https://github.com/OpenSMTPD/OpenSMTPD/commit/41d0eae481f538956b1f1fbadfb535043454061f
https://www.mend.io/vulnerability-database/CVE-2023-29323

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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