IdentityServer3 up to 2.4.x/2.5.x/2.6.0 Angular Expression cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in IdentityServer3 up to 2.4.x/2.5.x/2.6.0. Impacted is an unknown function of the component Angular Expression Handler. The manipulation results in cross site scripting. This vulnerability is known as CVE-2017-12677. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in IdentityServer3 up to 2.4.x/2.5.x/2.6.0. It has been classified as problematic. Affected is an unknown function of the component Angular Expression Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on confidentiality. CVE summarizes:

IdentityServer3 2.4.x, 2.5.x, and 2.6.x before 2.6.1 has XSS in an Angular expression on the authorize response page, which might allow remote attackers to obtain sensitive information about the IdentityServer authorization response.

The bug was discovered 08/07/2017. The weakness was published 08/08/2017 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2017-12677 since 08/07/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 2.6.1 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 4.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: IdentityServer3 2.6.1

Timelineinfo

08/07/2017 🔍
08/07/2017 +0 days 🔍
08/07/2017 +0 days 🔍
08/08/2017 +1 days 🔍
08/09/2017 +1 days 🔍
12/15/2022 +1954 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12677 (🔍)
GCVE (CVE): GCVE-0-2017-12677
GCVE (VulDB): GCVE-100-105000

Entryinfo

Created: 08/09/2017 11:06
Updated: 12/15/2022 13:22
Changes: 08/09/2017 11:06 (57), 11/04/2019 19:32 (2), 12/15/2022 13:22 (4)
Complete: 🔍
Cache ID: 216::103

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