CVE-2023-38852

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the unicode_decode_wcstombs function in xlstool.c:266.

La vulnerabilidad de desbordamiento del búfer en libxls v.1.6.2 permite a un atacante remoto ejecutar código arbitrario y provocar una denegación de servicio a través de un archivo XLS manipulado a la función unicode_decode_wcstombs en xlstool.c:266.

*Credits: N/A

CVSS Scores

NISTv3.1 6.5

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-07-25 CVE Reserved
2023-08-15 CVE Published
2024-08-02 CVE Updated
2024-08-02 First Exploit
2024-09-16 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC
https://github.com/libxls/libxls/issues/124	2024-08-02

URL	Date	SRC

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JQYGEBDBCOWBRHOW44BSSRADUOZBXHUE	2024-02-27
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHBUPYF2NX34HNAWZ3WYHKWU3KWVQUSV	2024-02-27

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Libxls Project Search vendor "Libxls Project"		Libxls Search vendor "Libxls Project" for product "Libxls"				1.6.2 Search vendor "Libxls Project" for product "Libxls" and version "1.6.2"		-		Affected