6.5 - CVE-2018-20450

Executive Summary

Informations
Name	CVE-2018-20450	First vendor Publication	2018-12-25
Vendor	Cve	Last vendor Modification	2020-03-30

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Overall CVSS Score	6.5
Base Score	6.5	Environmental Score	6.5
impact SubScore	3.6	Temporal Score	6.5
Exploitabality Sub Score	2.8

Attack Vector	Network	Attack Complexity	Low
Privileges Required	None	User Interaction	Required
Scope	Unchanged	Confidentiality Impact	None
Integrity Impact	None	Availability Impact	High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P)
Cvss Base Score	4.3	Attack Range	Network
Cvss Impact Score	2.9	Attack Complexity	Medium
Cvss Expoit Score	8.6	Authentication	None Required
Calculate full CVSS 2.0 Vectors scores

Detail

The read_MSAT function in ole.c in libxls 1.4.0 has a double free that allows attackers to cause a denial of service (application crash) via a crafted file, a different vulnerability than CVE-2017-2897.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20450

CWE : Common Weakness Enumeration

%	Id	Name
100 %	CWE-415	Double Free

CPE : Common Platform Enumeration

Type	Description	Count
Application	Libxls Project Libxls cpe:2.3:a:libxls_project:libxls:1.4.0:::::::*	1

Sources (Detail)

Source	Url
GENTOO	https://security.gentoo.org/glsa/202003-64
MISC	https://github.com/evanmiller/libxls/issues/34

Alert History

If you want to see full details history, please login or register.

Date	Informations
2021-05-04 13:14:27	Multiple Updates
2021-04-22 02:29:29	Multiple Updates
2020-05-23 01:12:38	Multiple Updates
2019-01-12 00:19:00	Multiple Updates
2018-12-25 21:19:15	First insertion