CVE-2018-8099
Git Denial of Service (Double Free)
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.
INFO
Published Date :
March 14, 2018, 12:29 a.m.
Last Modified :
April 25, 2022, 8:41 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-8099.
| URL | Resource |
|---|---|
| https://github.com/libgit2/libgit2/commit/58a6fe94cb851f71214dbefac3f9bffee437d6fe | Patch Third Party Advisory |
| https://libgit2.github.com/security/ | Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html | Mailing List Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-8099 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-8099 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Apr. 25, 2022
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html Mailing List, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:libgit2_project:libgit2:*:*:*:*:*:*:*:* versions up to (excluding) 0.26.2 OR *cpe:2.3:a:libgit2:libgit2:*:*:*:*:*:*:*:* versions up to (excluding) 0.26.2 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 21, 2022
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 13, 2018
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/libgit2/libgit2/commit/58a6fe94cb851f71214dbefac3f9bffee437d6fe No Types Assigned https://github.com/libgit2/libgit2/commit/58a6fe94cb851f71214dbefac3f9bffee437d6fe Patch, Third Party Advisory Changed Reference Type https://libgit2.github.com/security/ No Types Assigned https://libgit2.github.com/security/ Patch, Third Party Advisory Added CWE CWE-415 Added CPE Configuration OR *cpe:2.3:a:libgit2_project:libgit2:*:*:*:*:*:*:*:* versions up to (excluding) 0.26.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-8099 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-8099
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.27 }} -0.11%
score
0.63470
percentile