Red Hat OpenStack Platform 16.2 update python-XStatic-Angular

1) Prototype pollution

EUVDB-ID: #VU23382

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-10768

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within the merge() function. A remote attacker can trick the victim to follow a adding or modifying properties of `Object.prototype` using a `__proto__` payload and execute arbitrary script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenStack: before 16.2.4

python-XStatic-Angular (Red Hat package): before 1.5.8.0-13.el8ost

CPE2.3

• cpe:2.3:a:red_hat:red_hat_openstack:*:*:*:*:*:*:*:*
• cpe:2.3:o:red_hat:python-xstatic-angular_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*

External links

https://access.redhat.com/errata/RHSA-2022:8849

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.