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ubuntucveUbuntu.comUB:CVE-2021-39933
HistoryDec 13, 2021 - 12:00 a.m.

CVE-2021-39933

2021-12-1300:00:00
ubuntu.com
ubuntu.com
6

4 Medium

CVSS2

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

6.5 Medium

CVSS3

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

0.001 Low

EPSS

Percentile

41.6%

An issue has been discovered in GitLab CE/EE affecting all versions
starting from 12.10 before 14.3.6, all versions starting from 14.4 before
14.4.4, all versions starting from 14.5 before 14.5.2. A regular expression
used for handling user input (notes, comments, etc) was susceptible to
catastrophic backtracking that could cause a DOS attack.

OSVersionArchitecturePackageVersionFilename
ubuntu16.04noarchgitlab< anyUNKNOWN

4 Medium

CVSS2

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

6.5 Medium

CVSS3

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

0.001 Low

EPSS

Percentile

41.6%