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[email protected]CVE-2021-39947

HistoryJun 06, 2022 - 5:15 p.m.

CVE-2021-39947

2022-06-0617:15:09

[email protected]

web.nvd.nist.gov

gitlab

runner

cve-2021-39947

nvd

security

vulnerability

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

34.4%

JSON

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

Affected configurations

NVD

Node

gitlabgitlab_runnerRange<14.3.4

gitlabgitlab_runnerRange14.4.0–14.4.2

gitlabgitlab_runnerRange14.5.0–14.5.2

CPENameOperatorVersion
gitlab:gitlab_runnergitlab gitlab runnerlt14.3.4
gitlab:gitlab_runnergitlab gitlab runnerlt14.4.2
gitlab:gitlab_runnergitlab gitlab runnerlt14.5.2

CPE	Name	Operator	Version
gitlab:gitlab_runner	gitlab gitlab runner	lt	14.3.4
gitlab:gitlab_runner	gitlab gitlab runner	lt	14.4.2
gitlab:gitlab_runner	gitlab gitlab runner	lt	14.5.2

CNA Affected

[
  {
    "product": "GitLab Runner",
    "vendor": "GitLab",
    "versions": [
      {
        "status": "affected",
        "version": "<14.3.4"
      },
      {
        "status": "affected",
        "version": ">=14.4, <14.4.2"
      },
      {
        "status": "affected",
        "version": ">=14.5, <14.5.2"
      }
    ]
  }
]