CVE-2021-39947
GitLab Runner Job File Descriptor Reuse Tracing Buffer Overflow
Description
In specific circumstances, trace file buffers in GitLab Runner versions up to 14.3.4, 14.4 to 14.4.2, and 14.5 to 14.5.2 would re-use the file descriptor 0 for multiple traces and mix the output of several jobs
INFO
Published Date :
June 6, 2022, 5:15 p.m.
Last Modified :
Nov. 21, 2024, 6:20 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
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-2021-39947.
| URL | Resource |
|---|---|
| https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39947.json | Patch Third Party Advisory |
| https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28732 | Broken Link |
| https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39947.json | Patch Third Party Advisory |
| https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28732 | Broken Link |
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-2021-39947 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-39947 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39947.json Added Reference https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28732 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jun. 13, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Changed Reference Type https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39947.json No Types Assigned https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39947.json Patch, Third Party Advisory Changed Reference Type https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28732 No Types Assigned https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28732 Broken Link Added CWE NIST CWE-200 Added CPE Configuration OR *cpe:2.3:a:gitlab:gitlab_runner:*:*:*:*:*:*:*:* versions up to (excluding) 14.3.4 *cpe:2.3:a:gitlab:gitlab_runner:*:*:*:*:*:*:*:* versions from (including) 14.4.0 up to (excluding) 14.4.2 *cpe:2.3:a:gitlab:gitlab_runner:*:*:*:*:*:*:*:* versions from (including) 14.5.0 up to (excluding) 14.5.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-39947 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-2021-39947
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} -0.02%
score
0.28720
percentile