Paper/Archive/CVE-2023-51642

CVE-2023-51642

Allegra Allegra — Allegra loadFieldMatch Deserialization of Untrusted Data Remote Code Execution Vulnerability

Description · from the CVE record

Allegra loadFieldMatch Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Allegra. Although authentication is required to exploit this vulnerability, product implements a registration mechanism that can be used to create a user with a sufficient privilege level. The specific flaw exists within the loadFieldMatch method. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of LOCAL SERVICE. Was ZDI-CAN-22506.

Affected

ProductAffectedFixed inSource
Allegra7.5.0 build 29–CNA
allegra7.5.0build29–CISA-ADP

Scores by source

zdi (CNA)9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refzerodayinitiative.com/advisories/ZDI-24-105advisorytrackplus.com/en/service/release-notes-reader/7-5-1-release-notes-2.html