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cvelistGitHub_MCVELIST:CVE-2024-39694
HistoryJul 31, 2024 - 3:44 p.m.

CVE-2024-39694 Duende IdentityServer Open Redirect vulnerability

2024-07-3115:44:55
CWE-601
GitHub_M
www.cve.org
12
duende identityserver
open redirect vulnerability
asp.net core
third-party site redirection
phishing attack
updates.

CVSS3

4.7

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0

Percentile

10.7%

Duende IdentityServer is an OpenID Connect and OAuth 2.x framework for ASP.NET Core. It is possible for an attacker to craft malicious Urls that certain functions in IdentityServer will incorrectly treat as local and trusted. If such a Url is returned as a redirect, some browsers will follow it to a third-party, untrusted site. Note: by itself, this vulnerability does not allow an attacker to obtain user credentials, authorization codes, access tokens, refresh tokens, or identity tokens. An attacker could however exploit this vulnerability as part of a phishing attack designed to steal user credentials. This vulnerability is fixed in 7.0.6, 6.3.10, 6.2.5, 6.1.8, and 6.0.5. Duende.IdentityServer 5.1 and earlier and all versions of IdentityServer4 are no longer supported and will not be receiving updates. If upgrading is not possible, use IUrlHelper.IsLocalUrl from ASP.NET Core to validate return Urls in user interface code in the IdentityServer host.

CNA Affected

[
  {
    "vendor": "DuendeSoftware",
    "product": "IdentityServer",
    "versions": [
      {
        "version": "< 6.0.5",
        "status": "affected"
      },
      {
        "version": ">= 6.1.0-preview.1, <= 6.1.7",
        "status": "affected"
      },
      {
        "version": ">= 6.2.0-preview.1, <= 6.2.4",
        "status": "affected"
      },
      {
        "version": ">= 6.3.0-preview.1, <= 6.3.9",
        "status": "affected"
      },
      {
        "version": ">= 7.0.0-preview.1, <= 7.0.5",
        "status": "affected"
      }
    ]
  }
]

CVSS3

4.7

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0

Percentile

10.7%

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