#VU93354 Improper Certificate Validation in Apache CXF - CVE-2017-5653

Vulnerability identifier: #VU93354

Vulnerability risk: Medium

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

CVE-ID: CVE-2017-5653

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache CXF
Server applications / Frameworks for developing and running applications

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to modify data on the system.

The vulnerability exists due to JAX-RS XML Security streaming clients in Apache CXF do not validate that the service response was signed or encrypted. A remote attacker can trigger the vulnerability to modify data on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache CXF: before 3.0.13

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External links
https://cxf.apache.org/security-advisories.data/CVE-2017-5653.txt.asc?version=1&modificationDate=1492515074710&api=v2
https://www.securityfocus.com/bid/97968
https://www.securitytracker.com/id/1038279
https://access.redhat.com/errata/RHSA-2017:1832
https://lists.apache.org/thread.html/rc774278135816e7afc943dc9fc78eb0764f2c84a2b96470a0187315c@%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/r36e44ffc1a9b365327df62cdfaabe85b9a5637de102cea07d79b2dbf@%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/rff42cfa5e7d75b7c1af0e37589140a8f1999e578a75738740b244bd4@%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/rd49aabd984ed540c8ff7916d4d79405f3fa311d2fdbcf9ed307839a6@%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/rec7160382badd3ef4ad017a22f64a266c7188b9ba71394f0d321e2d4@%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/rfb87e0bf3995e7d560afeed750fac9329ff5f1ad49da365129b7f89e@%3Ccommits.cxf.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.