ZDI-24-107: Allegra extarctZippedFile Directory Traversal Remote Code Execution Vulnerability
First published: Fri Feb 09 2024(Updated: )
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 extarctZippedFile [sic] 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Allegro |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-24-107?
The severity of ZDI-24-107 is critical due to the potential for remote code execution by authenticated attackers.
How do I fix ZDI-24-107?
To fix ZDI-24-107, update your Allegra installation to the latest version where the vulnerability is addressed.
What is the impact of ZDI-24-107?
The impact of ZDI-24-107 allows remote attackers to execute arbitrary code, potentially compromising the integrity of the affected system.
Is authentication required to exploit ZDI-24-107?
Yes, authentication is required to exploit ZDI-24-107, but the existing authentication mechanism can be bypassed.
Which versions of Allegra are affected by ZDI-24-107?
ZDI-24-107 affects specific versions of Allegra that have the vulnerable extractZippedFile function.
- collector/zdi-published
- source/ZDI
- alias/ZDI-CAN-22504
- agent/last-modified-date
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- collector/zdi-advisory
- alias/ZDI-24-107
- alias/CVE-2023-51640
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/allegra
- canonical/allegro