SARA / Free Tools / KEV / CVE-2023-2868

CVE-2023-2868 on CISA KEV

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).

CISA KEV — Actively Exploited

Barracuda Networks ESG Appliance Improper Input Validation Vulnerability

Vendor / Product
— / Barracuda Networks / Email Security Gateway (ESG) Appliance
Added to KEV
2023-05-26
BOD 22-01 due
2023-06-16
Ransomware use
Unknown
CVSS / EPSS
9.4 CRITICAL · EPSS 89.52%

01What CISA says about this vulnerability

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…

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

VendorProductVersions
BarracudaBarracuda Email Security Gateway5.1.3.001

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

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