CVE-2017-12108

Status: Analyzed

Last modified: 28-01-2023

Published: 24-04-2018

8.8

SUMMARY CVE-2017-12108

An exploitable integer overflow vulnerability exists in the xls_preparseWorkSheet function of libxls 1.4 when handling a MULBLANK record. A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability.

Access CVSS3 CVE-2017-12108

Attack Complexity	Attack Vector	Privileges Required	Scope	User Interaction
LOW	NETWORK	NONE	UNCHANGED	REQUIRED

Impact CVSS3 CVE-2017-12108

Confidentiality	Integrity	Availability
HIGH	HIGH	HIGH

Details CVE-2017-12108

EPSS	0.00893
EPSS %	0.82997
References	https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0460
CWE	CWE-190
CAPEC	Forced Integer Overflow: This attack forces an integer variable to go out of range. The integer variable is often used as an offset such as size of memory allocation or similarly. The attacker would typically control the value of such variable and try to get it out of range. For instance the integer in question is incremented past the maximum possible value, it may wrap to become a very small, or negative number, therefore providing a very incorrect value which can lead to unexpected behavior. At worst the attacker can execute arbitrary code.
Vulnerable Configurations	cpe:2.3:a:libxls_project:libxls:1.4:::::::* cpe:2.3:a:libxls_project:libxls:1.4:::::::*
CVSS3 Source	nvd@nist.gov
CVSS3 Type	Primary
CVSS3 Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H