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MitreCVE-2019-12250

HistoryMay 21, 2019 - 4:29 p.m.

CVE-2019-12250

2019-05-2116:29:01

CWE-79

mitre

web.nvd.nist.gov

identityserver

identityserver4

stored xss

httpcontext

logforerrorcontext

request logger

security vulnerability

nvd

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.001

Percentile

37.3%

JSON

IdentityServer IdentityServer4 through 2.4 has stored XSS via the httpContext to the host/Extensions/RequestLoggerMiddleware.cs LogForErrorContext method, which can be triggered by viewing a log. NOTE: the software maintainer disputes that this is a vulnerability because the request logger is not part of IdentityServer but only our development test host

Affected configurations

Nvd

Node

identityserveridentityserver4Range≤2.4.0

VendorProductVersionCPE
identityserveridentityserver4*cpe:2.3:a:identityserver:identityserver4:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
identityserver	identityserver4	*	cpe:2.3:a:identityserver:identityserver4::::::::

References

github.com/IdentityServer/IdentityServer4/issues/3279

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.001

Percentile

37.3%

JSON

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