Vulnerabilities > CVE-2020-27819 - NULL Pointer Dereference vulnerability in Libxls Project Libxls

CVSS 5.5 - MEDIUM

Attack vector

LOCAL

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

local

low complexity

libxls-project

CWE-476

NVD

Published: 2021-02-23

Updated: 2021-02-26

Summary

An issue was discovered in libxls before and including 1.6.1 when reading Microsoft Excel files. A NULL pointer dereference vulnerability exists when parsing XLS cells in libxls/xls2csv.c:199. It could allow a remote attacker to cause a denial of service via crafted XLS file.

Vulnerable Configurations

Part	Description	Count
Application	Libxls_Project Libxls Project Libxls - Libxls Project Libxls 0.2.0 Libxls Project Libxls 0.3.0 Libxls Project Libxls 1.0.0 Libxls Project Libxls 1.1.0 Libxls Project Libxls 1.2.0 Libxls Project Libxls 1.2.1 Libxls Project Libxls 1.3.0 Libxls Project Libxls 1.3.1 Libxls Project Libxls 1.3.2 Libxls Project Libxls 1.3.3 Libxls Project Libxls 1.3.4 Libxls Project Libxls 1.4.0 Libxls Project Libxls 1.5.0 Libxls Project Libxls 1.5.1 Libxls Project Libxls 1.5.2 Libxls Project Libxls 1.5.3 Libxls Project Libxls 1.6.0 Libxls Project Libxls 1.6.1	29

Common Weakness Enumeration (CWE)

CWE-476 - NULL Pointer Dereference

References

https://bugzilla.redhat.com/show_bug.cgi?id=1903296