Loofah Gem up to 2.2.2 on Ruby SVG Javascript cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Loofah Gem up to 2.2.2 on Ruby. This issue affects some unknown processing of the component SVG Handler. Performing a manipulation results in cross site scripting (Javascript). This vulnerability is identified as CVE-2018-16468. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Loofah Gem up to 2.2.2 on Ruby (Ruby Gem). It has been classified as critical. This affects an unknown functionality of the component SVG Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability (Javascript). 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, integrity, and availability. The summary by CVE is:

In the Loofah gem for Ruby, through v2.2.2, unsanitized JavaScript may occur in sanitized output when a crafted SVG element is republished.

The bug was discovered 10/30/2018. The weakness was released 10/29/2018 (Website). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2018-16468 since 09/04/2018. It is possible to initiate the attack remotely. The successful exploitation needs a authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 118704 (FreeBSD : Loofah -- XSS vulnerability (36a2a89e-7ee1-4ea4-ae22-7ca38019c8d0)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 172093 (OpenSUSE Security Update for rmt-server (openSUSE-SU-2019:0185-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (118704). Entry connected to this vulnerability is available at VDB-126764. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.8

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
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

Name: Javascript
Class: Cross site scripting / Javascript
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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Nessus ID: 118704
Nessus Name: FreeBSD : Loofah -- XSS vulnerability (36a2a89e-7ee1-4ea4-ae22-7ca38019c8d0)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

09/04/2018 🔍
10/29/2018 +56 days 🔍
10/30/2018 +0 days 🔍
10/30/2018 +0 days 🔍
10/31/2018 +1 days 🔍
11/01/2018 +1 days 🔍
11/02/2018 +1 days 🔍
06/03/2023 +1674 days 🔍

Sourcesinfo

Advisory: 154
Status: Confirmed

CVE: CVE-2018-16468 (🔍)
GCVE (CVE): GCVE-0-2018-16468
GCVE (VulDB): GCVE-100-126141

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 10/31/2018 05:50
Updated: 06/03/2023 14:42
Changes: 10/31/2018 05:50 (73), 04/07/2020 17:24 (3), 06/03/2023 14:42 (4)
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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