VDB-145303 · CVE-2019-18857 · GCVE-0-2019-18857

darylldoyle svg-sanitizer up to 0.11.x Attribute Whitespace input validation

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.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in darylldoyle svg-sanitizer up to 0.11.x. This issue affects some unknown processing of the component Attribute Handler. This manipulation with the input javascript	:alert as part of Whitespace causes input validation. This vulnerability appears as CVE-2019-18857. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in darylldoyle svg-sanitizer up to 0.11.x. It has been declared as problematic. Affected by this vulnerability is an unknown code of the component Attribute Handler. The manipulation with the input value javascript	:alert leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect integrity. The summary by CVE is:

darylldoyle svg-sanitizer before 0.12.0 mishandles script and data values in attributes, as demonstrated by unexpected whitespace such as in the javascript	:alert substring.

The weakness was presented 11/11/2019. This vulnerability is known as CVE-2019-18857 since 11/11/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 0.12.0 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

darylldoyle

Name

svg-sanitizer

Version

License

open-source

Website

Product: https://github.com/darylldoyle/svg-sanitizer/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: svg-sanitizer 0.12.0
Patch: github.com

Timelineinfo

11/11/2019 🔍
11/11/2019 +0 days 🔍
11/12/2019 +1 days 🔍
02/11/2024 +1552 days 🔍

Sourcesinfo

Product: github.com

Advisory: 51ca4b713f3706d6b27769c6296bbc0c28a5bbd0
Status: Not defined

CVE: CVE-2019-18857 (🔍)
GCVE (CVE): GCVE-0-2019-18857
GCVE (VulDB): GCVE-100-145303

Entryinfo

Created: 11/12/2019 07:25
Updated: 02/11/2024 10:17
Changes: 11/12/2019 07:25 (39), 11/12/2019 07:30 (17), 02/11/2024 10:17 (6)
Complete: 🔍
Cache ID: 216::103