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ubuntucveUbuntu.comUB:CVE-2021-39939
HistoryDec 13, 2021 - 12:00 a.m.

CVE-2021-39939

2021-12-1300:00:00
ubuntu.com
ubuntu.com
17
gitlab runner
resource consumption
vulnerability
cve-2021-39939
unix
docker image
attacker
exhaustion

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

35.0%

An uncontrolled resource consumption vulnerability in GitLab Runner
affecting all versions starting from 13.7 before 14.3.6, all versions
starting from 14.4 before 14.4.4, all versions starting from 14.5 before
14.5.2, allows an attacker triggering a job with a specially crafted docker
image to exhaust resources on runner manager

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

35.0%

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