GitLab Community Edition/Enterprise Edition up to 9.4.3 SSH URL input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in GitLab Community Edition and Enterprise Edition up to 9.4.3. This vulnerability affects unknown code of the component SSH URL Handler. This manipulation causes input validation. This vulnerability is registered as CVE-2017-12426. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in GitLab Community Edition and Enterprise Edition up to 9.4.3 (Bug Tracking Software) and classified as critical. Affected by this vulnerability is an unknown functionality of the component SSH URL Handler. The manipulation with an unknown input 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 confidentiality, integrity, and availability. The summary by CVE is:

GitLab Community Edition (CE) and Enterprise Edition (EE) before 8.17.8, 9.0.x before 9.0.13, 9.1.x before 9.1.10, 9.2.x before 9.2.10, 9.3.x before 9.3.10, and 9.4.x before 9.4.4 might allow remote attackers to execute arbitrary code via a crafted SSH URL in a project import.

The bug was discovered 08/10/2017. The weakness was published 08/14/2017 (Website). It is possible to read the advisory at mail-archive.com. This vulnerability is known as CVE-2017-12426 since 08/04/2017. 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. 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 1 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 102467 (FreeBSD : GitLab -- two vulnerabilities (abcc5ad3-7e6a-11e7-93f7-d43d7e971a1b)), 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.

Upgrading to version 8.17.8, 9.0.13, 9.1.10, 9.2.10, 9.3.10 or 9.4.4 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 (102467). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: 102467
Nessus Name: FreeBSD : GitLab -- two vulnerabilities (abcc5ad3-7e6a-11e7-93f7-d43d7e971a1b)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Community Edition/Enterprise Edition 8.17.8/9.0.13/9.1.10/9.2.10/9.3.10/9.4.4

Timelineinfo

08/04/2017 🔍
08/10/2017 +6 days 🔍
08/11/2017 +1 days 🔍
08/14/2017 +3 days 🔍
08/14/2017 +0 days 🔍
08/14/2017 +0 days 🔍
08/15/2017 +1 days 🔍
11/06/2019 +813 days 🔍

Sourcesinfo

Vendor: gitlab.com

Advisory: mail-archive.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12426 (🔍)
GCVE (CVE): GCVE-0-2017-12426
GCVE (VulDB): GCVE-100-105295

Entryinfo

Created: 08/15/2017 08:58
Updated: 11/06/2019 20:41
Changes: 08/15/2017 08:58 (68), 11/06/2019 20:41 (2)
Complete: 🔍
Cache ID: 216::103

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