Division by zero in libdoc - CVE-2019-7156

 

Division by zero in libdoc - CVE-2019-7156

Published: February 1, 2019


Vulnerability identifier: #VU17357
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2019-7156
CWE-ID: CWE-369
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Uvoteam
Affected software:
libdoc

Detailed vulnerability description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can trigger division by zero in ole.c:390 at libdoc master branch when using libdoc.a and cause the service to crash.


How to mitigate CVE-2019-7156

Install updates from vendor's website.

Sources