GitLab Community Edition 10.2.4 CI Job 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 (≈)
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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.
4.9$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in GitLab Community Edition 10.2.4. Affected by this issue is some unknown functionality of the component CI Job. The manipulation results in cross site scripting (Persistent). This vulnerability is reported as CVE-2017-0917. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in GitLab Community Edition 10.2.4 (Bug Tracking Software). Affected is an unknown part of the component CI Job. The manipulation with an unknown input leads to a cross site scripting vulnerability (Persistent). 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:

Gitlab Community Edition version 10.2.4 is vulnerable to lack of input validation in the CI job component resulting in persistent cross site scripting.

The bug was discovered 01/16/2018. The weakness was disclosed 03/21/2018 (Website). The advisory is shared for download at about.gitlab.com. This vulnerability is traded as CVE-2017-0917 since 11/30/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability was handled as a non-public zero-day exploit for at least 61 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 108422 (Debian DSA-4145-1 : gitlab - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176326 (Debian Security Update for gitlab (DSA 4145-1)).

Upgrading 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 (108422). The entries VDB-114849, VDB-114850, VDB-114851 and VDB-114853 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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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: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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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: 🔍

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Nessus ID: 108422
Nessus Name: Debian DSA-4145-1 : gitlab - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800272
OpenVAS Name: Debian Security Advisory DSA 4145-1 (gitlab - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/30/2016 🔍
01/16/2018 +412 days 🔍
03/18/2018 +61 days 🔍
03/19/2018 +1 days 🔍
03/21/2018 +2 days 🔍
03/21/2018 +0 days 🔍
03/22/2018 +1 days 🔍
01/15/2020 +664 days 🔍

Sourcesinfo

Vendor: gitlab.com

Advisory: about.gitlab.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-0917 (🔍)
GCVE (CVE): GCVE-0-2017-0917
GCVE (VulDB): GCVE-100-114852

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 03/22/2018 07:55
Updated: 01/15/2020 14:52
Changes: 03/22/2018 07:55 (73), 01/15/2020 14:52 (4)
Complete: 🔍
Cache ID: 216::103

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