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osvGoogleOSV:GHSA-WQXW-8H5G-HQ56
HistoryFeb 02, 2023 - 1:33 a.m.

Switcher Client contains Regular Expression Denial of Service (ReDoS)

2023-02-0201:33:06
Google
osv.dev
12
switcher client
regular expression denial of service
unsanitized input
strategy match
exist operations
patched 3.1.4

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

37.9%

Impact

Unsanitized input flows into Strategy match operation (EXIST), where it is used to build a regular expression. This may result in a Regular expression Denial of Service attack (reDOS).

Patches

Patched in 3.1.4

Workarounds

Avoid using Strategy settings that use REGEX in conjunction with EXIST and NOT_EXIST operations.

CPENameOperatorVersion
switcher-clientlt3.1.4

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

37.9%

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