Vulnerability CVE-2019-5486

Vulnerability Name:

CVE-2019-5486

Assigned:

2019-12-18

Published:

2019-12-18

Updated:

2019-12-30

Summary:

A authentication bypass vulnerability exists in GitLab CE/EE <v12.3.2, <v12.2.6, and <v12.1.10 in the Salesforce login integration that could be used by an attacker to create an account that bypassed domain restrictions and email verification requirements.

CVSS v3 Severity:

8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

6.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

Vulnerability Type:

CWE-287

References:

Source: MITRE
Type: CNA
CVE-2019-5486

Source: MISC
Type: Exploit, Third Party Advisory
https://hackerone.com/reports/617896

Vulnerable Configuration:

Configuration 1:

cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version < 12.1.10)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version < 12.1.10)

OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 12.2.0 and < 12.2.6)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 12.2.0 and < 12.2.6)

OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 12.3.0 and < 12.3.2)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 12.3.0 and < 12.3.2)

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.xenial:def:201954860000000	V	CVE-2019-5486 on Ubuntu 16.04 LTS (xenial) - medium.	2019-12-18

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