Vulnerability · Published Nov 22, 2024 · Assigned by zdi

CVE-2023-52334Allegra downloadAttachmentGlobal Directory Traversal Information Disclosure Vulnerability

High 7.5

In plain English

A high-severity path traversal in Allegra from Allegra. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities).

Severity (CVSS 3.0)7.5High

Exploit odds (30 days)1.9%top 19.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Allegra downloadAttachmentGlobal Directory Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information 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 downloadAttachmentGlobal 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 disclose stored credentials, leading to further compromise. Was ZDI-CAN-22507.

Affected products (as reported)

Vendor	Product	Versions
Allegra	Allegra	7.5.0 build 29

Weakness: CWE-22 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

ZDI-24-112 x_research-advisory
vendor-provided URL vendor-advisory