Vulnerability identifier: #VU52578

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-18640

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PeopleSoft Enterprise PT PeopleTools
Client/Desktop applications / Office applications

Vendor: Oracle

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Application Server (SnakeYAML) component in PeopleSoft Enterprise PT PeopleTools. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PeopleSoft Enterprise PT PeopleTools: 8.56 - 8.58

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External links
http://www.oracle.com/security-alerts/cpuapr2021.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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