PT-2023-20627 · Open Xchange · Open-Xchange Appsuite

Foobar7 · Published 2023-08-02 · Updated 2024-01-12 · CVE-2023-26430

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Open-Xchange App Suite (affected versions not specified)

Description Attackers with access to user accounts can inject arbitrary control characters to SIEVE mail-filter rules. This could be abused to access SIEVE extension that are not allowed by App Suite or to inject rules which would break per-user filter processing, requiring manual cleanup of such rules. Sanitization has been added to all mail-filter APIs to avoid forwarding control characters to subsystems. No publicly available exploits are known.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

CVE-2023-26430

Affected Products

Open-Xchange Appsuite

References · 7

• https://osv.dev/vulnerability/CVE-2023-26430 · Vendor Advisory
• https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2023/oxas-adv-2023-0003.json · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-26430 · Security Note
• http://packetstormsecurity.com/files/173943/OX-App-Suite-SSRF-SQL-Injection-Cross-Site-Scripting.html · Note
• https://t.me/cibsecurity/67578 · Telegram Post
• https://software.open-xchange.com/products/appsuite/doc/Release_Notes_for_Patch_Release_6230_7.10.6_2023-05-02.pdf · Note
• http://seclists.org/fulldisclosure/2023/Aug/8 · Note