#VU16705 Memory corruption in libxls - CVE-2018-20452

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Main Vulnerability Database Vulnerabilities #VU16705

#VU16705 Memory corruption in libxls - CVE-2018-20452

Published: December 25, 2018


Vulnerability identifier: #VU16705
Vulnerability risk: Low
CVSSv4.0: 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-2018-20452
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
libxls
Software vendor:
libxls.sourceforge.net

Description

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

The vulnerability exists due to inconsistent memory management (new versus free) in ole2_read_header in ole.c. A remote attacker can submit a specially crafted Excel file, trigger an invalid free in the read_MSAT_body function in ole.c and cause the service to crash.


Remediation

Cybersecurity Help is currently unaware of any solutions to address the vulnerability.

External links