CVE-2023-50708: Yiisoft/yii2 authclient Yii2-authclient Vulnerable To Possible Timing Vulnerability
LOWCVE-2023-50708 is a LOW (CVSS 0.0) yii2-authclient vulnerable to possible timing vulnerability (CWE-203: Observable Discrepancy) affecting Yiisoft/yii2 authclient libraries in the Packagist ecosystem. The issue involves yii2-authclient vulnerable to possible timing attack on string comparison in oauth1, oauth2 and openid connect implementation. Remediation is available by upgrading affected packages to version 2.2.15.
CVE-2023-50708 at a Glance
Security Impact
CVSS: 0.0
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:N).
How to Fix CVE-2023-50708
To remediate this vulnerability, upgrade all affected Yiisoft/yii2 authclient dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade yiisoft/yii2-authclient to 2.2.15Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for yiisoft/yii2-authclientHow to Check if You Are Affected
To determine whether your application is affected by CVE-2023-50708, inspect your project dependencies for Yiisoft/yii2 authclient:
inspect dependencies for yiisoft/yii2-authclientAnalyze the terminal output to locate any version of Yiisoft/yii2 authclient in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.2.15), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-203: Observable Discrepancy, where the product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor. In Yiisoft/yii2 authclient, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2023-50708 Affected Yiisoft/yii2 authclient Versions
1 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
yiisoft/yii2-authclient
|
Packagist |
< 2.2.15
|
2.2.15
|
References
Frequently Asked Questions
What is CVE-2023-50708?
Which Yiisoft/yii2 authclient versions are affected?
What version fixes CVE-2023-50708?
Is yiisoft/yii2-authclient affected?
What is the CVSS score of CVE-2023-50708?
What CWE is associated with CVE-2023-50708?
How can I check Packagist dependencies for CVE-2023-50708?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-w8vh-p74j-x9xp",
"modified" : "2023-12-22T22:23:51Z",
"published" : "2023-12-18T20:01:00Z",
"aliases" : [ "CVE-2023-50708" ],
"summary" : "yii2-authclient vulnerable to possible timing attack on string comparison in OAuth1, OAuth2 and OpenID Connect implementation",
"details" : "### Impact\n_What kind of vulnerability is it? Who is impacted?_\n\nOriginal Report:\n\n> The Oauth1/2 \"state\" and OpenID Connect \"nonce\" is vulnerable for a \"timing attack\" since it's compared via regular string \n> comparison (instead of `Yii::$app->getSecurity()->compareString()`).\n\nAffected Code:\n\n1. OAuth 1 \"state\"\n\n https://github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650b54e69695ff/src/OAuth1.php#L158\n\n3. OAuth 2 \"state\"\n \n https://github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650b54e69695ff/src/OAuth2.php#L121\n\n4. OpenID Connect \"nonce\"\n \n https://github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650b54e69695ff/src/OpenIdConnect.php#L420\n\n\n### Patches\n_Has the problem been patched? What versions should users upgrade to?_\n\nTBD: Replace strcmp with `Yii::$app->getSecurity()->compareString()`).\n\n### Workarounds\n_Is there a way for users to fix or remediate the vulnerability without upgrading?_\n\nnot as far as I see.\n\n### References\n_Are there any links users can visit to find out more?_\n",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Packagist",
"name" : "yiisoft/yii2-authclient"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "2.2.15"
} ]
} ],
"database_specific" : {
"last_known_affected_version_range" : "<= 2.2.14"
}
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/yiisoft/yii2-authclient/security/advisories/GHSA-w8vh-p74j-x9xp"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-50708"
}, {
"type" : "WEB",
"url" : "https://github.com/yiisoft/yii2-authclient/commit/dabddf2154ab7e7703740205a069202554089248"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/yiisoft/yii2-authclient"
}, {
"type" : "WEB",
"url" : "https://github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650b54e69695ff/src/OAuth1.php#L158"
}, {
"type" : "WEB",
"url" : "https://github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650b54e69695ff/src/OAuth2.php#L121"
}, {
"type" : "WEB",
"url" : "https://github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650b54e69695ff/src/OpenIdConnect.php#L420"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-203" ],
"severity" : "LOW",
"github_reviewed" : true,
"github_reviewed_at" : "2023-12-18T20:01:00Z",
"nvd_published_at" : "2023-12-22T19:15:08Z"
}
}