PT-2019-17548 · Huawei · Usg9500+1

Published 2019-12-26 · Updated 2019-12-31 · CVE-2019-5273

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions USG9500 versions V500R001C30 through V500R001C60

Description The issue is related to a flaw in the X.509 implementation, which can cause a large heap buffer overrun error. An attacker can exploit this by using a malicious certificate, resulting in a denial of service on the affected products.

Recommendations For USG9500 versions V500R001C30 through V500R001C60, consider restricting the use of X.509 certificates until a patch is available. As a temporary workaround, avoid using certificates that may trigger the heap buffer overrun error. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2019-5273

Affected Products

Huawei Vrp

Usg9500

References · 3

• https://osv.dev/vulnerability/CVE-2019-5273 · Vendor Advisory
• https://huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-eudemon-en · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-5273 · Security Note