GitLab Community Edition/Enterprise Edition up to 11.3.10/11.4.7/11.5.0 Environment Page Persistent cross site scripting

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.
6.7$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in GitLab Community Edition and Enterprise Edition up to 11.3.10/11.4.7/11.5.0. Affected by this vulnerability is an unknown functionality of the component Environment Page. Executing a manipulation can lead to cross site scripting (Persistent). This vulnerability is tracked as CVE-2018-19493. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in GitLab Community Edition and Enterprise Edition up to 11.3.10/11.4.7/11.5.0 (Bug Tracking Software) and classified as critical. This vulnerability affects an unknown code block of the component Environment Page. The manipulation with an unknown input leads to a cross site scripting vulnerability (Persistent). The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

An issue was discovered in GitLab Community and Enterprise Edition 11.x before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1. There is a persistent XSS vulnerability in the environment pages due to a lack of input validation and output encoding.

The weakness was disclosed 07/10/2019 (Website). The advisory is shared for download at about.gitlab.com. This vulnerability was named CVE-2018-19493 since 11/23/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability scanner Nessus provides a plugin with the ID 119271 (FreeBSD : Gitlab -- Multiple vulnerabilities (8a4aba2d-f33e-11e8-9416-001b217b3468)), 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 371769 (GitLab Multiple Security Vulnerabilities).

Upgrading to version 11.3.11, 11.4.8 or 11.5.1 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (119271). The entries VDB-135175, VDB-137633, VDB-137634 and VDB-137635 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Persistent
Class: Cross site scripting / Persistent
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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 119271
Nessus Name: FreeBSD : Gitlab -- Multiple vulnerabilities (8a4aba2d-f33e-11e8-9416-001b217b3468)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Community Edition/Enterprise Edition 11.3.11/11.4.8/11.5.1

Timelineinfo

11/23/2018 🔍
11/28/2018 +5 days 🔍
11/29/2018 +1 days 🔍
07/10/2019 +223 days 🔍
07/11/2019 +1 days 🔍
06/23/2024 +1809 days 🔍

Sourcesinfo

Vendor: gitlab.com

Advisory: 53037
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-19493 (🔍)
GCVE (CVE): GCVE-0-2018-19493
GCVE (VulDB): GCVE-100-137632
SecurityFocus: 109122

See also: 🔍

Entryinfo

Created: 07/11/2019 10:06
Updated: 06/23/2024 11:18
Changes: 07/11/2019 10:06 (67), 07/03/2020 12:20 (1), 10/24/2023 08:50 (5), 06/23/2024 11:18 (16)
Complete: 🔍
Cache ID: 216:0C4:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!