A vulnerability, which was classified as critical, has been found in Huawei USG9500 V500R001C30/V500R001C60. Affected by this issue is some unknown functionality of the component X.509 Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability. Due to a flaw in the X.509 implementation in the affected products which can result in a heap buffer overflow when decoding a certificate, an attacker may exploit the vulnerability by a malicious certificate to perform a denial of service attack on the affected products.

The weakness was published 12/26/2019 (Website). The advisory is shared for download at huawei.com. This vulnerability is handled as CVE-2019-5275 since 01/04/2019. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 12/27/2019).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at 147798 and 147799.

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• Huawei

Name

• USG9500

Version

• V500R001C30
• V500R001C60

License

• commercial

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CPE 2.2info

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