Vulnerability identifier: #VU15975

Vulnerability risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-19208

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libwpd
Universal components / Libraries / Libraries used by multiple products

Vendor: libwpd.sourceforge.net

Description

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

The vulnerability exists due to NULL pointer dereference condition in the WP6ContentListener::defineTable function, as defined in the WP6ContentListener.cpp file. A remote attacker can send trick the victim into opening a specially crafted file that submits malicious input, trigger a NULL pointer dereference condition and cause the software to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libwpd: 0.10.2

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=1643752

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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. However, proof of concept for this vulnerability is available.