CVE-2017-17305

Name of the Vulnerable Software and Affected Versions: Huawei Firewall products USG2205BSR version V300R001C10SPC600 Huawei Firewall products USG2220BSR version V300R001C00 Huawei Firewall products USG5120BSR version V300R001C00 Huawei Firewall products USG5150BSR version V300R001C00

Description: The issue is related to a Bleichenbacher Oracle vulnerability in the IPSEC IKEv1 implementations. Remote attackers can decrypt IPSEC tunnel ciphertext data by leveraging a Bleichenbacher RSA padding oracle, causing a Bleichenbacher oracle attack. Successful exploitation of this issue can impact IPSec tunnel security.

Recommendations: For USG2205BSR version V300R001C10SPC600, consider disabling the IPSEC IKEv1 implementation until a patch is available. For USG2220BSR version V300R001C00, consider disabling the IPSEC IKEv1 implementation until a patch is available. For USG5120BSR version V300R001C00, consider disabling the IPSEC IKEv1 implementation until a patch is available. For USG5150BSR version V300R001C00, consider disabling the IPSEC IKEv1 implementation until a patch is available.