Fedora 25 update for batik

1) XXE attack

EUVDB-ID: #VU13180

Risk: Low

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:Clear]

CVE-ID: CVE-2017-5662

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

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to conduct XXE-attack on the target system.

The weakness exists due to improper restriction of XML external entity references. A remote attacker can supply specially crafted xml document to gain access to arbitrary files or conduct amplification attack to cause the service to crash.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 25

batik: before 1.8-9.fc25

CPE2.3

• cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*
• cpe:2.3:a:fedoraproject:batik:*:*:*:*:*:fedora:*:*

External links

https://bodhi.fedoraproject.org/updates/FEDORA-2017-43b46cd2da

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.