OpenBSD/OpenSMTPD smtpd ascii_load_sockaddr Local Privilege Escalation

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in OpenBSD and OpenSMTPD. It has been rated as problematic. This impacts the function ascii_load_sockaddr of the component smtpd. This manipulation causes an unknown weakness. The identification of this vulnerability is CVE-2023-29323. The attack can only be executed locally. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability has been found in OpenBSD and OpenSMTPD (Operating System) (version unknown) and classified as problematic. Affected by this vulnerability is the function ascii_load_sockaddr of the component smtpd. The impact remains unknown. The summary by CVE is:

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.

The weakness was shared 04/05/2023 as 41d0eae481f538956b1f1fbadfb535043454061f. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-29323 since 04/04/2023. Technical details of the vulnerability are known, but there is no available exploit.

Applying the patch 41d0eae481f538956b1f1fbadfb535043454061f is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 41d0eae481f538956b1f1fbadfb535043454061f

Timelineinfo

04/04/2023 🔍
04/05/2023 +1 days 🔍
04/05/2023 +0 days 🔍
11/06/2025 +945 days 🔍

Sourcesinfo

Advisory: 41d0eae481f538956b1f1fbadfb535043454061f
Status: Confirmed

CVE: CVE-2023-29323 (🔍)
GCVE (CVE): GCVE-0-2023-29323
GCVE (VulDB): GCVE-100-224959

Entryinfo

Created: 04/05/2023 07:25
Updated: 11/06/2025 00:19
Changes: 04/05/2023 07:25 (40), 11/06/2025 00:19 (26)
Complete: 🔍
Cache ID: 216::103

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