var-201606-0022
Vulnerability from variot
Siemens SIMATIC S7-300 Profinet-enabled CPU devices with firmware before 3.2.12 and SIMATIC S7-300 Profinet-disabled CPU devices with firmware before 3.3.12 allow remote attackers to cause a denial of service (defect-mode transition) via crafted (1) ISO-TSAP or (2) Profibus packets. The Siemens SIMATIC S7-300 CPU is a modular universal controller for the manufacturing industry from Siemens. A denial of service vulnerability exists in the Siemens SIMATICS7-300CPU family of devices. An attacker exploits a vulnerability to initiate a denial of service attack under certain conditions, that is, by sending a carefully crafted packet to a 102/TCP (ISO-TSAP) port or a fieldbus Profibus, causing the device to enter a failure mode, and a cold boot can restore the system. Siemens SIMATIC S7-300 CPU is prone to a denial-of-service vulnerability. Remote attackers may exploit this issue to cause denial-of-service conditions, denying service to legitimate users. The following products and versions are affected: Versions prior to SIMATIC S7-300 CPUs with Profinet support 3.2.12 Versions prior to SIMATIC S7-300 CPU without Profinet support 3.3.12
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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