Executive Summary

Summary
Title libgit2: Multiple vulnerabilities
Informations
Name GLSA-202003-42 First vendor Publication 2020-03-19
Vendor Gentoo Last vendor Modification 2020-03-19
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Overall CVSS Score 8.8
Base Score 8.8 Environmental Score 8.8
impact SubScore 5.9 Temporal Score 8.8
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

Multiple vulnerabilities have been found in libgit2, the worst of which could result in the arbitrary execution of code.

Background

libgit2 is a portable, pure C implementation of the Git core methods provided as a re-entrant linkable library with a solid API.

Description

Multiple vulnerabilities have been discovered in libgit2. Please review the CVE identifiers referenced below for details.

Impact

An attacker could possibly overwrite arbitrary paths, execute arbitrary code, and overwrite files in the .git directory.

Workaround

There is no known workaround at this time.

Resolution

All libgit2 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/libgit2-0.28.4"

References

[ 1 ] CVE-2019-1348 : https://nvd.nist.gov/vuln/detail/CVE-2019-1348
[ 2 ] CVE-2019-1350 : https://nvd.nist.gov/vuln/detail/CVE-2019-1350
[ 3 ] CVE-2019-1387 : https://nvd.nist.gov/vuln/detail/CVE-2019-1387

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/202003-42

Original Source

Url : http://security.gentoo.org/glsa/glsa-202003-42.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 631
Application 9
Application 10
Os 1

Alert History

If you want to see full details history, please login or register.
0
1
Date Informations
2020-05-23 13:03:43
  • Multiple Updates
2020-03-19 21:17:36
  • First insertion