Advisory Details

February 9th, 2024

Allegra getFileContentAsString Directory Traversal Information Disclosure Vulnerability

ZDI-24-099
ZDI-CAN-22530

CVE ID CVE-2023-51648
CVSS SCORE 7.5, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AFFECTED VENDORS Allegra
AFFECTED PRODUCTS Allegra
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Allegra. Although authentication is required to exploit this vulnerability, the product implements a registration mechanism that can be used to create a new user with a sufficient privilege level.

The specific flaw exists within the getFileContentAsString 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 disclose stored credentials, leading to further compromise.

ADDITIONAL DETAILS Allegra has issued an update to correct this vulnerability. More details can be found at:
https://www.trackplus.com/en/service/release-notes-reader/7-5-1-release-notes-2.html
DISCLOSURE TIMELINE
  • 2023-12-08 - Vulnerability reported to vendor
  • 2024-02-09 - Coordinated public release of advisory
  • 2024-05-31 - Advisory Updated
CREDIT 06fe5fd2bc53027c4a3b7e395af0b850e7b8a044
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