Vulnerability CVE-2017-0916

Vulnerability Name:

CVE-2017-0916 (CCN-140642)

Assigned:

2016-11-30

Published:

2018-01-16

Updated:

2019-10-09

Summary:

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.

CVSS v3 Severity:

9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

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

7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)

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

CVSS v2 Severity:

7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

Vulnerability Type:

CWE-20

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2017-0916

Source: CCN
Type: GitLab Web site
GitLab Security Release: 10.3.4, 10.2.6, and 10.1.6

Source: CONFIRM
Type: Vendor Advisory
https://about.gitlab.com/2018/01/16/gitlab-10-dot-3-dot-4-released/

Source: XF
Type: UNKNOWN
gitlab-cve20170916-code-exec(140642)

Source: MISC
Type: Permissions Required
https://hackerone.com/reports/299473

Source: DEBIAN
Type: Third Party Advisory
DSA-4145

Vulnerable Configuration:

Configuration 1:

cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 8.8.0 and <= 10.1.5)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 8.8.0 and <= 10.1.5)

OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 10.2.0 and <= 10.2.5)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 10.2.0 and <= 10.2.5)

OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 10.3.0 and <= 10.3.3)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 10.3.0 and <= 10.3.3)

Configuration 2:

cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.artful:def:20170916000	V	CVE-2017-0916 on Ubuntu 17.10 (artful) - medium.	2018-03-21
oval:com.ubuntu.xenial:def:20170916000	V	CVE-2017-0916 on Ubuntu 16.04 LTS (xenial) - medium.	2018-03-21
oval:com.ubuntu.xenial:def:201709160000000	V	CVE-2017-0916 on Ubuntu 16.04 LTS (xenial) - medium.	2018-03-21

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