Multiple vulnerabilities in Huawei USG9500



Published: 2020-01-02
Risk Medium
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2019-5273
CVE-2019-5275
CVE-2019-5274
CVE-2019-5272
CWE-ID CWE-119
CWE-122
CWE-835
CWE-354
Exploitation vector Network
Public exploit N/A
Vulnerable software
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USG9500
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor Huawei

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU23860

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2019-5273

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No

Description

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.


Mitigation

Install updates from vendor's website.

Vulnerable software versions

USG9500: V500R001C30 - V500R001C60


CPE2.3 External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-eudemon-en

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

2) Heap-based buffer overflow

EUVDB-ID: #VU23862

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2019-5275

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

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.


Mitigation

Install updates from vendor's website.

Vulnerable software versions

USG9500: V500R001C30 - V500R001C60


CPE2.3 External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-eudemon-en

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

3) Infinite loop

EUVDB-ID: #VU23861

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2019-5274

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

USG9500: V500R001C30 - V500R001C60


CPE2.3 External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-eudemon-en

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

4) Improper validation of integrity check value

EUVDB-ID: #VU23859

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2019-5272

CWE-ID: CWE-354 - Improper Validation of Integrity Check Value

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

USG9500: V500R001C30 - V500R001C60


CPE2.3 External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-digital-en

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?



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