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veracodeVeracode Vulnerability DatabaseVERACODE:42221
HistoryAug 06, 2023 - 10:17 a.m.

Regular Expression Denial Of Service (ReDoS)

2023-08-0610:17:49
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
11
gitlab
vulnerability
regex
pattern
crash
application
malicious payloads
software

CVSS3

7.5

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

EPSS

0.001

Percentile

29.7%

gitlab is vulnerable to Regular Expression Denial Of Service (ReDoS). The vulnerability exists due to the insecure Regex pattern used in the library, which allows an attacker to crash the application by sending maliciously crafted payloads to the preview_markdown endpoint

CVSS3

7.5

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

EPSS

0.001

Percentile

29.7%