CVE-2023-51643: Allegra uploadFile Directory Traversal Remote Code Execution Vulnerability
Allegra uploadFile Directory Traversal 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, the existing authentication mechanism can be bypassed.
The specific flaw exists within the uploadFile method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of LOCAL SERVICE. Was ZDI-CAN-22510.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2023-51643?
CVE-2023-51643 is classified as a high severity vulnerability due to its potential for remote code execution.
How do I fix CVE-2023-51643?
To fix CVE-2023-51643, upgrade Allegra to version 7.5.2 or later, where the vulnerability has been addressed.
What is the impact of CVE-2023-51643?
CVE-2023-51643 allows authenticated remote attackers to execute arbitrary code, potentially compromising the integrity of the system.
Who is affected by CVE-2023-51643?
CVE-2023-51643 affects Allegra installations prior to version 7.5.2.
Is authentication required to exploit CVE-2023-51643?
Yes, CVE-2023-51643 requires authentication to exploit the vulnerability.