Vulnerability identifier: #VU86355

Vulnerability risk: Low

CVSSv3.1: 4.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-5644

CWE-ID: CWE-776

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Apache POI
Server applications / Other server solutions

Vendor: Apache Foundation

Description

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to insufficient validation of user-supplied XML input. A local user can pass a specially crafted OOXML file to the affected application and perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache POI: 0.1 - 3.14

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External links
http://poi.apache.org/#20+March+2017+-+CVE-2017-5644+-+Possible+DOS+%28Denial+of+Service%29+in+Apache+POI+versions+prior+to+3.15
http://www.securityfocus.com/bid/96983
http://www.oracle.com/security-alerts/cpuoct2020.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.