Information disclosure in Apache UIMA

1) XXE attack

EUVDB-ID: #VU12328

Risk: Low

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

CVE-ID: CVE-2017-15691

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

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to obtain potentially sensitive information on the target system.

The weakness exists due to improper restriction of XML External Entity (XXE) references. A remote attacker can trick the victim into opening a specially crafted XML document that submits malicious XML entities that are parsed by the XML parser, gain access to potentially sensitive information, such as local files or other internal information.

Mitigation

Update Apache uimaj to 2.10.2 or 3.0.0-beta, Apache uima-as to 2.10.2, Apache uimaFIT to 2.4.0, Apache uimaDUCC to 2.2.2.

Vulnerable software versions

uimaj: 2.1 - 3.0.0 alpha02

uima-as: 2.4 - 2.9

uimaFIT: 2.0 - 2.3.1

uimaDUCC: 1.0 - 2.2.1

External links

http://uima.apache.org/security_report#CVE-2017-15691

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.