CVE-2023-29323

Description

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.

7.8

CVSS

Severity: High

CVSS 3.1 •

EPSS 0.04%

Vendor Advisory fedoraproject.org

Affected: n/a n/a

References

Link	Tags
https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/020_smtpd.patch.sig	patch
https://ftp.openbsd.org/pub/OpenBSD/patches/7.1/common/024_smtpd.patch.sig	patch
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.49&r2=1.49.4.1&f=h	product
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50&r2=1.50.4.1&f=h	product
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50&r2=1.51&f=h	product
https://github.com/OpenSMTPD/OpenSMTPD/commit/41d0eae481f538956b1f1fbadfb535043454061f	patch
https://github.com/openbsd/src/commit/f748277ed1fc7065ae8998d61ed78b9ab1e55fae	patch
https://security.netapp.com/advisory/ntap-20230526-0006/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZBNQBHCM6PIOUR6I5GEQS35XYT2NX6T/	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-29323?: CVE-2023-29323 has been scored as a high severity vulnerability.
How to fix CVE-2023-29323?: To fix CVE-2023-29323, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-29323 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-29323 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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