Vulnerability CVE-2016-9469

Vulnerability Name:

CVE-2016-9469 (CCN-124807)

Assigned:

2016-11-19

Published:

2017-03-27

Updated:

2019-10-09

Summary:

Multiple versions of GitLab expose a dangerous method to any authenticated user that could lead to the deletion of all Issue and MergeRequest objects on a GitLab instance. For GitLab instances with publicly available projects this vulnerability could be exploited by an unauthenticated user. A fix was included in versions 8.14.3, 8.13.8, and 8.12.11, which were released on December 5th 2016 at 3:59 PST. The GitLab versions vulnerable to this are 8.13.0, 8.13.0-ee, 8.13.1, 8.13.1-ee, 8.13.2, 8.13.2-ee, 8.13.3, 8.13.3-ee, 8.13.4, 8.13.4-ee, 8.13.5, 8.13.5-ee, 8.13.6, 8.13.6-ee, 8.13.7, 8.14.0, 8.14.0-ee, 8.14.1, 8.14.2, and 8.14.2-ee.

CVSS v3 Severity:

8.2 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L)
7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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): None Integrity (I): High Availibility (A): Low

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

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): None Integrity (I): Low Availibility (A): None

CVSS v2 Severity:

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

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

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

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

Vulnerability Type:

CWE-264

Vulnerability Consequences:

Gain Privileges

References:

Source: MITRE
Type: CNA
CVE-2016-9469

Source: MISC
Type: Patch, Vendor Advisory
https://about.gitlab.com/2016/12/05/cve-2016-9469/

Source: XF
Type: UNKNOWN
gitlab-cve20169469-priv-esc(124807)

Source: MISC
Type: Patch, Vendor Advisory
https://gitlab.com/gitlab-org/gitlab-ce/commit/29ceb98b5162677601702704e89d845580372078

Source: MISC
Type: Patch, Vendor Advisory
https://gitlab.com/gitlab-org/gitlab-ce/commit/55196497301eea429913f9c4b1b37c42c2e358ce

Source: MISC
Type: Patch, Vendor Advisory
https://gitlab.com/gitlab-org/gitlab-ce/commit/f325e4e734e5e486f3b02db176eb629124052b43

Source: CCN
Type: GitLab Web site
Any user can delete all issues and merge requests

Source: MISC
Type: Exploit, Vendor Advisory
https://gitlab.com/gitlab-org/gitlab-ce/issues/25064

Source: MISC
Type: Exploit, Technical Description, Third Party Advisory
https://hackerone.com/reports/186194

Vulnerable Configuration:

Configuration 1:

cpe:/a:gitlab:gitlab:8.13.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:8.13.0:*:*:*:enterprise:*:*:*

OR cpe:/a:gitlab:gitlab:8.13.1:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:8.13.1:*:*:*:enterprise:*:*:*

OR cpe:/a:gitlab:gitlab:8.13.2:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:8.13.2:*:*:*:enterprise:*:*:*

OR cpe:/a:gitlab:gitlab:8.13.3:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:8.13.3:*:*:*:enterprise:*:*:*

OR cpe:/a:gitlab:gitlab:8.13.4:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:8.13.4:*:*:*:enterprise:*:*:*

OR cpe:/a:gitlab:gitlab:8.13.5:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:8.13.5:*:*:*:enterprise:*:*:*

OR cpe:/a:gitlab:gitlab:8.13.6:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:8.13.6:*:*:*:enterprise:*:*:*

OR cpe:/a:gitlab:gitlab:8.13.7:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:8.13.7:*:*:*:enterprise:*:*:*

OR cpe:/a:gitlab:gitlab:8.14.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:8.14.0:*:*:*:enterprise:*:*:*

OR cpe:/a:gitlab:gitlab:8.14.1:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:8.14.1:*:*:*:enterprise:*:*:*

OR cpe:/a:gitlab:gitlab:8.14.2:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:8.14.2:*:*:*:enterprise:*:*:*

Configuration CCN 1: