CVE-2023-29323

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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.

*Credits: N/A

CVSS Scores

NISTv3.1 7.8

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-04-04 CVE Reserved
2023-04-04 CVE Published
2024-07-09 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (9)

URL	Tag	Source
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://security.netapp.com/advisory/ntap-20230526-0006

URL	Date	SRC

URL	Date	SRC
https://ftp.openbsd.org/pub/OpenBSD/patches/7.1/common/024_smtpd.patch.sig	2024-04-19
https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/020_smtpd.patch.sig	2024-04-19
https://github.com/OpenSMTPD/OpenSMTPD/commit/41d0eae481f538956b1f1fbadfb535043454061f	2024-04-19
https://github.com/openbsd/src/commit/f748277ed1fc7065ae8998d61ed78b9ab1e55fae	2024-04-19

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZBNQBHCM6PIOUR6I5GEQS35XYT2NX6T	2024-04-19

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Opensmtpd Search vendor "Opensmtpd"		Opensmtpd Search vendor "Opensmtpd" for product "Opensmtpd"				< 7.0.0 Search vendor "Opensmtpd" for product "Opensmtpd" and version " < 7.0.0"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				7.1 Search vendor "Openbsd" for product "Openbsd" and version "7.1"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				7.2 Search vendor "Openbsd" for product "Openbsd" and version "7.2"		-		Affected