5.5 - CVE-2017-8843

Executive Summary

Informations
Name	CVE-2017-8843	First vendor Publication	2017-05-08
Vendor	Cve	Last vendor Modification	2022-12-09

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Overall CVSS Score	5.5
Base Score	5.5	Environmental Score	5.5
impact SubScore	3.6	Temporal Score	5.5
Exploitabality Sub Score	1.8

Attack Vector	Local	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 join_pthread function in stream.c in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted archive.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8843

CWE : Common Weakness Enumeration

%	Id	Name
100 %	CWE-476	NULL Pointer Dereference

CPE : Common Platform Enumeration

Type	Description	Count
Application	Long Range Zip Project Long Range Zip cpe:2.3:a:long_range_zip_project:long_range_zip:0.631:::::::*	1

Sources (Detail)

Source	Url
GENTOO	https://security.gentoo.org/glsa/202005-01
MISC	https://blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-joi... https://github.com/ckolivas/lrzip/issues/69

Alert History

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Date	Informations
2022-12-09 21:27:53	Multiple Updates
2022-09-02 21:27:39	Multiple Updates
2021-05-04 13:06:25	Multiple Updates
2021-04-22 02:20:01	Multiple Updates
2020-05-23 01:04:33	Multiple Updates
2017-05-16 21:22:33	Multiple Updates
2017-05-16 00:19:54	Multiple Updates
2017-05-08 21:24:01	First insertion