Denial of service in Huawei CampusInsight

1) Out-of-bounds read

EUVDB-ID: #VU23395

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-5278

CWE-ID: CWE-125 - Out-of-bounds read

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 condition in the Advanced Packages feature of the Gauss100 OLTP database. A remote authenticated attacker with permission to execute advanced packages can send elaborate SQL statements to the database, trigger out-of-bounds read error and cause the database to crash.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CampusInsight: V100R019C00

External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191204-01-gauss100-en

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.