VAR-200209-0069
Vulnerability from variot - Updated: 2022-05-17 02:07The Cisco IP Phone 7960 is a system that provides voice over IP networks. The firmware image file used by the Cisco IP Phone 7960 is not signed and can be exploited by remote attackers to use malicious firmware image files to entice users to download without being noticed. The firmware image file content used by the Cisco IP Phone 7960 is not signed and verified, so the client cannot determine whether the downloaded firmware information is legal. The higher version of the firmware image file is trusted by the device and is started when the device is started. And install. This process is transparent and does not require any user interaction. If an attacker can control the TFTP server, they can upload malicious firmware, causing malicious content to be installed on the device with this vulnerability. TFTP does not provide authentication. It is also theoretically possible for an attacker to substitute a malicious configuration file by exploiting this weakness
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
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