National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-8099 Detail

Current Description

Incorrect returning of an error code in the index.c:read_entry() function leads to a double free in libgit2 before v0.26.2, which allows an attacker to cause a denial of service via a crafted repository index file.

Source:  MITRE
Description Last Modified:  03/13/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.8


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/libgit2/libgit2/commit/58a6fe94cb851f71214dbefac3f9bffee437d6fe Patch Third Party Advisory
https://libgit2.github.com/security/ Patch Third Party Advisory

Technical Details

Vulnerability Type (View All)

Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-8099
NVD Published Date:
03/13/2018
NVD Last Modified:
04/13/2018