VDB-221586 · CVE-2021-32857 · GHSL-2021-1035

Cockpit up to 0.12.2 HTML htmleditor.js HTML injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Cockpit up to 0.12.2. This affects an unknown part of the file htmleditor.js of the component HTML Handler. The manipulation results in HTML injection. This vulnerability is identified as CVE-2021-32857. The attack can be executed remotely. There is not any exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Cockpit up to 0.12.2. It has been classified as problematic. Affected is an unknown functionality of the file htmleditor.js of the component HTML Handler. The manipulation with an unknown input leads to a html injection 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 integrity. CVE summarizes:

Cockpit is a content management system that allows addition of content management functionality to any site. In versions 0.12.2 and prior, bad HTML sanitization in `htmleditor.js` may lead to cross-site scripting (XSS) issues. There are no known patches for this issue.

The weakness was released 02/21/2023 as GHSL-2021-1035. The advisory is available at securitylab.github.com. This vulnerability is traded as CVE-2021-32857 since 05/12/2021. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Applying the patch 0c6628cbff3e49bc317c97b03a4666b3a75f76cc is able to eliminate this problem. The bugfix is ready for download at github.com.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Cockpit

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.1
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: HTML injection
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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 0c6628cbff3e49bc317c97b03a4666b3a75f76cc

Timelineinfo

05/12/2021 🔍
02/21/2023 +650 days 🔍
02/21/2023 +0 days 🔍
02/21/2023 +0 days 🔍

Sourcesinfo

Advisory: GHSL-2021-1035
Status: Confirmed

CVE: CVE-2021-32857 (🔍)
GCVE (CVE): GCVE-0-2021-32857
GCVE (VulDB): GCVE-100-221586

Entryinfo

Created: 02/21/2023 20:59
Changes: 02/21/2023 20:59 (52)
Complete: 🔍
Cache ID: 216::103