CVE-2023-26436 — Code Injection in Appsuite Backend

CWE-94 — Code InjectionCWE-502 — Deserialization of Untrusted Data3 documents3 sources
Severity
8.8HIGHNVD
CNA7.1
EPSS
0.2%
top 60.42%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Open-xchange Appsuite BackendOX Software Gmbh OX APP Suite
Timeline
PublishedJun 20

Description

Attackers with access to the "documentconverterws" API were able to inject serialized Java objects, that were not properly checked during deserialization. Access to this API endpoint is restricted to local networks by default. Arbitrary code could be injected that is being executed when processing the request. A check has been introduced to restrict processing of legal and expected classes for this API. We now log a warning in case there are attempts to inject illegal classes. No publicly availa…

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5ox_software_gmbh/ox_app_suite7.10.6-rev7

🔴Vulnerability Details

2
CVEList
CVE-2023-26436: Attackers with access to the "documentconverterws" API were able to inject serialized Java objects, that were not properly checked during deserializat↗2023-06-20
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GHSA
GHSA-5xxc-86g5-876q: Attackers with access to the "documentconverterws" API were able to inject serialized Java objects, that were not properly checked during deserializat↗2023-06-20
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CVE-2023-26436 — Code Injection in Appsuite Backend | cvebase