#VU37584 Deserialization of Untrusted Data in Resteasy - CVE-2018-1051

Vulnerability identifier: #VU37584

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-1051

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Resteasy
Other software / Other software solutions

Vendor: resteasy

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

It was found that the fix for CVE-2016-9606 in versions 3.0.22 and 3.1.2 was incomplete and Yaml unmarshalling in Resteasy is still possible via `Yaml.load()` in YamlProvider.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Resteasy: 3.0.22 - 3.1.2

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=1535411

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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.