SecuriTricks - CVE-2023-51639

Description

Allegra downloadExportedChart Directory Traversal Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Allegra. Authentication is not required to exploit this vulnerability. The specific flaw exists within the downloadExportedChart action. 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 bypass authentication on the system. Was ZDI-CAN-22361.

Product(s) Impacted

Product	Versions
Allegra	[]

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References

https://www.trackplus.com/en/service/release-notes-reader/7-5-1-release-notes-2.html

https://www.zerodayinitiative.com/advisories/ZDI-24-110/

CVSS Score

9.8 / 10

CVSS Data - 3.0

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

View Vector String

Timeline

Published: Nov. 22, 2024, 8:15 p.m.
Last Modified: Nov. 22, 2024, 8:15 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

zdi-disclosures@trendmicro.com

CVE-2023-51639