#VU41063 Input validation error in Resteasy - CVE-2014-7839

Vulnerability identifier: #VU41063

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2014-7839

CWE-ID: CWE-20

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 #BASIC_IMPACT#.

DocumentProvider in RESTEasy 2.3.7 and 3.0.9 does not configure the (1) external-general-entities or (2) external-parameter-entities features, which allows remote attackers to conduct XML external entity (XXE) attacks via unspecified vectors.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Resteasy: 2.3.7 - 3.0.9

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External links
https://rhn.redhat.com/errata/RHSA-2015-0675.html
https://rhn.redhat.com/errata/RHSA-2015-0773.html
https://rhn.redhat.com/errata/RHSA-2015-0850.html
https://rhn.redhat.com/errata/RHSA-2015-0851.html
https://secunia.com/advisories/62580
https://issues.jboss.org/browse/RESTEASY-1130

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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.