SB2020010202 - Multiple vulnerabilities in Huawei USG9500
Published: January 2, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2019-5273)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a flaw in the X.509 implementation. A remote attacker can use a specially crafted certificate, trigger memory corruption and cause a denial of service condition on the target system.
2) Heap-based buffer overflow (CVE-ID: CVE-2019-5275)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the X.509 implementation. A remote attacker can use a specially crafted certificate, trigger heap-based buffer overflow and cause a denial of service on the target system.
3) Infinite loop (CVE-ID: CVE-2019-5274)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop in the X.509 implementation. A remote attacker can use a specially crafted certificate, consume all available system resources and cause a denial of service condition on the target system.
4) Improper validation of integrity check value (CVE-ID: CVE-2019-5272)
The vulnerability allows a remote attacker to make malicious modifications.
The vulnerability exists due to the software of the affected products does not check the integrity. A remote authenticated attacker can make malicious modifications without detection.
Remediation
Install update from vendor's website.