Out-of-bounds read in libwpd.sourceforge.net libwpd

1) Out-of-bounds read

EUVDB-ID: #VU38339

Risk: Medium

CVSSv3.1: 6.9 [AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2017-14226

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WP1StylesListener.cpp, WP5StylesListener.cpp, and WP42StylesListener.cpp in libwpd 0.10.1 mishandle iterators, which. A remote attacker can perform a denial of service (heap-based buffer over-read in the WPXTableList class in WPXTable.cpp). This vulnerability can be triggered in LibreOffice before 5.3.7. It may lead to suffering a remote attack against a LibreOffice application.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

libwpd: 0.10.1

External links

http://bugs.documentfoundation.org/show_bug.cgi?id=112269
http://bugzilla.redhat.com/show_bug.cgi?id=1489337
http://cgit.freedesktop.org/libreoffice/core/commit/?id=dd89afa6ee8166b69e7a1e86f22616ca8fc122c9
http://sourceforge.net/p/libwpd/code/ci/0329a9c57f9b3b0efa0f09a5235dfd90236803a5/
http://sourceforge.net/p/libwpd/code/ci/f40827b3eae260ce657c67d9fecc855b09dea3c3/
http://sourceforge.net/p/libwpd/tickets/14/

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.