VDB-102069 · CVE-2015-3295 · BID 71824

markdown-it up to 4.0.x data URL access control

CVSS Meta Temp Score
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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.
6.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in markdown-it up to 4.0.x. Affected by this vulnerability is an unknown functionality of the component data URL Handler. Performing a manipulation results in access control. This vulnerability is cataloged as CVE-2015-3295. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in markdown-it up to 4.0.x. This affects some unknown functionality of the component data URL Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

markdown-it before 4.1.0 does not block data: URLs.

The bug was discovered 04/10/2015. The weakness was shared 06/07/2017 by Shubham Shah (oss-sec). The advisory is shared at openwall.com. This vulnerability is uniquely identified as CVE-2015-3295 since 04/10/2015. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 789 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 4.1.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 71824†). The entry VDB-106917 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
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: Access control
CWE: CWE-284 / CWE-266
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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OpenVAS ID: 66215
OpenVAS Name: NodeBB markdown Plugin Stored Cross Site Scripting Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: markdown-it 4.1.0
Patch: github.com

Timelineinfo

04/10/2015 🔍
04/10/2015 +0 days 🔍
04/10/2015 +0 days 🔍
06/07/2017 +789 days 🔍
06/07/2017 +0 days 🔍
06/08/2017 +1 days 🔍
12/08/2022 +2009 days 🔍

Sourcesinfo

Product: github.com

Advisory: f76d3beb46abd121892a2e2e5c78376354c214e3
Researcher: Shubham Shah
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-3295 (🔍)
GCVE (CVE): GCVE-0-2015-3295
GCVE (VulDB): GCVE-100-102069
SecurityFocus: 71824 - Multiple Products 'index.js' Multiple HTML Injection Vulnerabilities

See also: 🔍

Entryinfo

Created: 06/08/2017 08:36
Updated: 12/08/2022 08:48
Changes: 06/08/2017 08:36 (69), 10/14/2019 14:32 (1), 12/08/2022 08:48 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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