PT-2019-18440 · Libdoc+1 · Libdoc+1

Wuk0N9O · Published 2019-01-29 · Updated 2019-02-27 · CVE-2019-7156

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions libdoc through 2019-01-28

Description The issue arises from a division by zero error in the calcFileBlockOffset function within ole.c. This error occurs due to insufficient input validation, allowing for a potential crash or other unintended behavior when a zero value is used in a calculation.

Recommendations For versions through 2019-01-28, consider adding input validation to prevent division by zero errors in the calcFileBlockOffset function as a temporary workaround until a patch is available.

Exploit

Fix

Divide By Zero

Weakness Enumeration

CWE-369

Related Identifiers

CVE-2019-7156

Affected Products

Debian

Libdoc

References · 9

• 🔥 https://github.com/uvoteam/libdoc/issues/5 · Exploit
• https://cve.org/CVERecord?id=CVE-2019-7156 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2019-7156 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-7156 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-7156 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-7156 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-7156 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-7156 · Vendor Advisory
• http://securityfocus.com/bid/106813 · Note