GitLab Community Edition up to 10.3 Web Hook input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in GitLab Community Edition up to 10.3. Affected by this vulnerability is an unknown functionality of the component Web Hook. The manipulation leads to input validation. This vulnerability is documented as CVE-2017-0916. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in GitLab Community Edition up to 10.3 (Bug Tracking Software). This issue affects some unknown functionality of the component Web Hook. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Gitlab Community Edition version 10.3 is vulnerable to a lack of input validation in the system_hook_push queue through web hook component resulting in remote code execution.

The bug was discovered 01/16/2018. The weakness was released 03/21/2018 (Website). It is possible to read the advisory at about.gitlab.com. The identification of this vulnerability is CVE-2017-0916 since 11/30/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

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). Entries connected to this vulnerability are available at VDB-114849, VDB-114850, VDB-114852 and VDB-114853. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

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

NVD Base Score: 9.8
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: 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: 🔍

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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-2017-0916 (🔍)
GCVE (CVE): GCVE-0-2017-0916
GCVE (VulDB): GCVE-100-114851

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 03/22/2018 07:54
Updated: 01/15/2020 15:07
Changes: 03/22/2018 07:54 (72), 01/15/2020 15:07 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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