CVE-2023-2868
Barracuda Networks ESG Appliance Improper Input Validation Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2023-05-26. Federal due date: 2023-06-16.
Apply updates per vendor instructions.
Impact
A remote command injection vulnerability exists in the Barracuda Email Security Gateway (appliance form factor only) product effecting versions 5.1.3.001-9.2.0.006. The vulnerability arises out of a failure to comprehensively sanitize the processing of .tar file (tape archives). The vulnerability stems from incomplete input validation of a user-supplied .tar file as it pertains to the names of the files contained within the archive. As a consequence, a remote attacker can specifically format these file names in a particular manner that will result in remotely executing a system command through Perl's qx operator with the privileges of the Email Security Gateway product. This issue was fixed as part of BNSF-36456 patch. This patch was automatically applied to all customer appliances.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Barracuda | Email Security Gateway 300 Firmware | from 5.1.3.001 through 9.2.0.006 |
| Barracuda | Email Security Gateway 400 Firmware | from 5.1.3.001 through 9.2.0.006 |
| Barracuda | Email Security Gateway 600 Firmware | from 5.1.3.001 through 9.2.0.006 |
| Barracuda | Email Security Gateway 800 Firmware | from 5.1.3.001 through 9.2.0.006 |
| Barracuda | Email Security Gateway 900 Firmware | from 5.1.3.001 through 9.2.0.006 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- https://status.barracuda.com/incidents/34kx82j5n4q9
- https://www.barracuda.com/company/legal/esg-vulnerability
- https://status.barracuda.com/incidents/34kx82j5n4q9
- https://www.barracuda.com/company/legal/esg-vulnerability
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-2868