CVE-2023-26432

When adding an external mail account, processing of SMTP "capabilities" responses are not limited to plausible sizes. Attacker with access to a rogue SMTP service could trigger requests that lead to excessive resource usage and eventually service unavailability. We now limit accepted SMTP server response to reasonable length/size. No publicly available exploits are known.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
http://packetstormsecurity.com/files/173083/OX-App-Suite-SSRF-Resource-Consumption-Command-Injection.html	Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2023/Jun/8	Mailing List Third Party Advisory
https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2023/oxas-adv-2023-0002.json
https://software.open-xchange.com/products/appsuite/doc/Release_Notes_for_Patch_Release_6219_7.10.6_2023-03-20.pdf	Release Notes

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:open-xchange:open-xchange_appsuite_backend::::::::
	cpe:2.3:a:open-xchange:open-xchange_appsuite_backend::::::::
	cpe:2.3:a:open-xchange:open-xchange_appsuite_backend:7.10.6:::::::*
	cpe:2.3:a:open-xchange:open-xchange_appsuite_backend:7.10.6:revision_39::::::

History

06 Jul 2023, 20:05

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-06-20 08:15

Updated : 2024-02-04 23:37

NVD link : CVE-2023-26432

Mitre link : CVE-2023-26432

CVE.ORG link : CVE-2023-26432

JSON object : View

Products Affected

open-xchange

open-xchange_appsuite_backend

CWE

NVD-CWE-noinfo CWE-400

Uncontrolled Resource Consumption

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