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CVE-2021-39947

MEDIUM
Published 2022-06-06T16:48:14
Actions:

Expert Analysis

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CVSS Score

V3.1
5.3
/10
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.293
Higher than 29.3% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
NONE
Availability
NONE

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

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

GitLab

GitLab Runner

Affected Versions:

<14.3.4 >=14.4, <14.4.2 >=14.5, <14.5.2

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-hwx9-v7rw-v3qm

Advisory Details

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

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-39947
WEB https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39947.json
WEB https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28732

Advisory provided by GitHub Security Advisory Database. Published: June 7, 2022, Modified: June 14, 2022

References

https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28732
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39947.json
Published: 2022-06-06T16:48:14
Last Modified: 2024-08-04T02:20:34.198Z
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