Fedora 26 update for jgraphx

1) XXE attack

EUVDB-ID: #VU10866

Risk: Low

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

CVE-ID: CVE-2017-18197

CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to perform XXE attack.

The vulnerability exists in the mxGraphViewImageReader.java due to insufficient security restrictions. A remote attacker can add or modify specially crafted XML data, modify digital signatures of user attribute data and impersonate a user or obtain potentially sensitive information.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 26

jgraphx: before 3.6.0.0-3.fc26

CPE2.3

• cpe:2.3:o:fedoraproject:fedora:26:*:*:*:*:*:*:*
• cpe:2.3:a:fedoraproject:jgraphx:*:*:*:*:*:fedora:*:*

External links

https://bodhi.fedoraproject.org/updates/FEDORA-2018-b3f8bee2e0

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.