Vulnerability identifier: #VU12842

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-12626

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache POI
Server applications / Other server solutions

Vendor: Apache Foundation

Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to infinite loops while parsing specially crafted WMF, EMF, MSG and macros and out of Memory exceptions while parsing specially crafted DOC, PPT and XLS. A remote attacker can cause the service to crash.

Mitigation
Update to version 3.17.

Vulnerable software versions

Apache POI: 3.10.1 - 3.16

---

External links
http://lists.apache.org/thread.html/453d9af5dbabaccd9afb58d27279a9dbfe8e35f4e5ea1645ddd6960b@%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.