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osvGoogleOSV:GHSA-5MMW-P5QV-W3X5
HistoryDec 12, 2023 - 12:30 a.m.

Always incorrect control flow in github.com/mojocn/base64Captcha

2023-12-1200:30:17
Google
osv.dev
5
github
bypassed verification
default implementation
non-existent id
empty string
software

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

7.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

20.6%

When using the default implementation of Verify to check a Captcha, verification can be bypassed. For example, if the first parameter is a non-existent id, the second parameter is an empty string, and the third parameter is true, the function will always consider the Captcha to be correct.

CPENameOperatorVersion
github.com/mojocn/base64captchalt1.3.6

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

7.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

20.6%

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