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GoogleOSV:BIT-GITLAB-2020-13333

HistoryMar 06, 2024 - 11:21 a.m.

BIT-gitlab-2020-13333

2024-03-0611:21:57

Google

osv.dev

gitlab

vulnerability

dos

asset link update

api

cpu usage

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

6.5 Medium

AI Score

Confidence

High

4 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

41.2%

JSON

A potential DOS vulnerability was discovered in GitLab versions 13.1, 13.2 and 13.3. The api to update an asset as a link from a release had a regex check which caused exponential number of backtracks for certain user supplied values resulting in high CPU usage.

CPENameOperatorVersion
gitlabge13.2.0
gitlable13.2.0
gitlable13.3.0
gitlabge13.3.0
gitlable13.1.0
gitlabge13.1.0

Name	Operator	Version
gitlab	ge	13.2.0
gitlab	le	13.2.0
gitlab	le	13.3.0
gitlab	ge	13.3.0
gitlab	le	13.1.0
gitlab	ge	13.1.0

References

gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13333.json

gitlab.com/gitlab-org/gitlab/-/issues/218753

hackerone.com/reports/870820

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

6.5 Medium

AI Score

Confidence

High

4 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

41.2%

JSON

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