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Huawei Data Communication: Weak Algorithm Vulnerability (huawei-sa-20180704-01-algorithm)

Information

Severity

Severity

Medium

Family

Family

Huawei

CVSSv2 Base

CVSSv2 Base

4.3

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

3 years ago

Modified

Modified

3 years ago

Summary

Some Huawei products are prone to a weak algorithm vulnerability

Insight

Insight

There is a weak algorithm vulnerability in some Huawei products. To exploit the vulnerability, a remote, unauthenticated attacker has to capture TLS traffic between clients and the affected products. The attacker may launch the Bleichenbacher attack on RSA key exchange to decrypt the session key and the previously captured sessions by some cryptanalytic operations.

Affected Software

Affected Software

Huawei CloudEngine 12800, CloudEngine 5800, CloudEngine 6800, CloudEngine 7800, RSE6500, S12700, S1700, S2700, S5700, S6700, S7700, S9700, SoftCo, VP9660 and eSpace U1981.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

See the referenced vendor advisory for a solution.

Common Vulnerabilities and Exposures (CVE)