The Patching Friars' AlmanacA calendar of CVE saints

Patron of August 2

PwnedPiperHoly card for pwnedpiper, generated with AI (Claude, Anthropic) for the Lunario dei Frati Patchatori.CC BY-NC-SA 4.0 PwnedPiper PER TUBOS AD ROOT
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Saint PwnedPiper, Piper of the Pneumatic Tubes

Patron of pneumatic tubes, capsules whizzing through corridors, and firmware accepted without a signature.

Life

On 2 August 2021 Armis revealed nine vulnerabilities in the Nexus panels of Swisslog Healthcare's Translogic pneumatic tube system, the one that carries samples and medicines between wards in thousands of hospitals. The worst: the panel accepted firmware updates without checking any signature, so anyone on the network could install their own. Like the Pied Piper of Hamelin, an attacker could have made the tubes play his tune.

Prayer

O Saint PwnedPiper, who plays the pipe inside the ducts, let every capsule reach the right ward and every firmware be signed. Amen.

How to celebrate

Celebrated by updating Nexus Software to 7.2.5.7 and listening quietly to the whoosh of a passing capsule.

Unsigned firmware, ownerless tube.

Technical record

Disclosed on
August 2 2021
CVE
CVE-2021-37160

A firmware validation issue was discovered in HMI3 Control Panel in Swisslog Healthcare Nexus Panel operated by released versions of software before Nexus Software 7.2.5.7. There is no firmware validation (e.g., cryptographic signature validation) during a File Upload for a firmware update.

Sources: armis.com

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