#VU20844 Protection mechanism failure in Apache Commons BeanUtils - CVE-2019-10086

Vulnerability identifier: #VU20844

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-10086

CWE-ID: CWE-693

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Commons BeanUtils
Universal components / Libraries / Software for developers

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exist due to Beanutils is not using by default the a special BeanIntrospector class in PropertyUtilsBean that was supposed to suppress the ability for an attacker to access the classloader via the class property available on all Java objects. A remote attacker can abuse such application behavior against applications that were developed to rely on this security feature.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Commons BeanUtils: 1.9.2 - 1.9.3

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External links
https://mail-archives.apache.org/mod_mbox/www-announce/201908.mbox/%3cC628798F-315D-4428-8CB1-4ED1ECC958E4@apache.org%3e
https://lists.apache.org/thread.html/3d1ed1a1596c08c4d5fea97b36c651ce167b773f1afc75251ce7a125@%3Ccommits.tinkerpop.apache.org%3E

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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.