Denial of service in Apache Tika



Published: 2018-10-11
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-11796
CWE-ID CWE-611
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Apache Tika
Server applications / Other server solutions

Vendor Apache Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) XXE attack

EUVDB-ID: #VU15310

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-11796

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to conduct XXE-attack.

The vulnerability exists due to improper handling of XML External Entities (XXEs) when parsing an XML file. A remote attacker can trick the victim into open an XML file that submits malicious input and cause a denial of service (DoS) condition.

Mitigation

Update to version 1.19.1.

Vulnerable software versions

Apache Tika: 0.8 - 1.19

External links

http://lists.apache.org/thread.html/88de8350cda9b184888ec294c813c5bd8a2081de8fd3666f8904bc05@%3Cdev...


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.



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