VulnerabilityAnalyzed

CVE-2023-51645

Allegra unzipFile Directory Traversal Remote Code Execution Vulnerability.

MEDIUM 4.7EPSS 1.84%

Does this matter?

Lower severity and a low EPSS score (1.84%). Track it; it rarely justifies an emergency change on its own.

Description

Allegra unzipFile 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 unzipFile 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-22513.

CVSS 3.1: 4.7 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
EPSS: 1.84% probability · 78th percentile
CISA KEV: Not listed
Weakness: CWE-22
Affected: alltena/allegra
Source: zdi-disclosures@trendmicro.com

References

https://www.trackplus.com/en/service/release-notes-reader/7-5-1-release-notes-2.htmlRelease Notes
https://www.zerodayinitiative.com/advisories/ZDI-24-101/Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.