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veracodeVeracode Vulnerability DatabaseVERACODE:43593
HistoryOct 08, 2023 - 5:52 p.m.

Regular Expression Denial Of Service (ReDoS)

2023-10-0817:52:45
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
4
gitlab
redos
vulnerability
regex pattern
projectreferencefilter
preview_markdown
software

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0005 Low

EPSS

Percentile

17.1%

gitlab is vulnerable to Regular Expression Denial Of Service (ReDoS). The vulnerability arises from insecure regex patterns used in the library, enabling an attacker to crash the application by sending maliciously crafted payloads that use ProjectReferenceFilter to the preview_markdown endpoint.

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0005 Low

EPSS

Percentile

17.1%