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Veracode Vulnerability DatabaseVERACODE:44733

HistoryDec 19, 2023 - 6:56 a.m.

Timing Attack

2023-12-1906:56:39

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

yii2-authclient

timing attack

nonce string

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.7

Confidence

High

EPSS

0.001

Percentile

26.9%

JSON

yiisoft/yii2-authclient is vulnerable to Timing attack. The vulnerable is caused due to an insecure string comparison method (strcmp) used to compare a nonce. An attacker can potentially perform a time based attack to guess the nonce string.

References

github.com/advisories/GHSA-w8vh-p74j-x9xp

github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650b54e69695ff/src/OAuth1.php#L158

github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650b54e69695ff/src/OAuth2.php#L121

github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650b54e69695ff/src/OpenIdConnect.php#L420

github.com/yiisoft/yii2-authclient/commit/dabddf2154ab7e7703740205a069202554089248

github.com/yiisoft/yii2-authclient/security/advisories/GHSA-w8vh-p74j-x9xp

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.7

Confidence

High

EPSS

0.001

Percentile

26.9%

JSON

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