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CVE-2023-48795 Vulnerability on NVIDIA switch MSN2100

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Category:
ontap-9
Specialty:
hw
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Applies to

  • ONTAP9
  • NVIDIA MSN2100 cluster network switches

Issue

  • A security scan reported vulnerability (CVE-2023-48795) on NVIDIA cluster network switch MSN2100:
tcp 22 SSH Terrapin Prefix Truncation Weakness (CVE-2023-48795) 

Observation: SSH Terrapin Prefix Truncation Weakness (CVE-2023-48795)
IP: 10.21.x.xxx Port:22
Description: The remote SSH server is vulnerable to a man-in-the-middle prefix truncation weakness known as Terrapin. This can allow a remote, man-in-the-middle attacker to bypass integrity checks and downgrade the connection's security.
Note that this plugin only checks for remote SSH servers that support either ChaCha20-Poly1305 or CBC with Encrypt-then-MAC and do not support the strict key exchange countermeasures. It does not check for vulnerable software versions.

Recommendation: Contact the vendor for an update with the strict key exchange countermeasures or disable the affected algorithms. The remote SSH server is vulnerable to a man-in-the-middle prefix truncation weakness known as Terrapin. This can allow a remote, man-in-the-middle attacker to bypass integrity checks and downgrade the connection's security.
  • The affected switches are running Cumulus Linux version 5.4.0

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