Vulnerability CVE-2013-4490 - CERT Civis.Net

Vulnerability Name:

CVE-2013-4490 (CCN-88547)

Assigned:

2013-11-04

Published:

2013-11-04

Updated:

2014-05-14

Summary:

The SSH key upload feature (lib/gitlab_keys.rb) in gitlab-shell before 1.7.3, as used in GitLab 5.0 before 5.4.1 and 6.x before 6.2.3, allows remote authenticated users to execute arbitrary commands via shell metacharacters in the public key.
Per: http://cwe.mitre.org/data/definitions/77.html

"CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')"

CVSS v3 Severity:

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

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): High Privileges Required (PR): Low User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): Low

CVSS v2 Severity:

6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
5.4 Medium (Temporal CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P/E:F/RL:OF/RC:C)

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

6.0 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:S/C:P/I:P/A:P)
5.0 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:S/C:P/I:P/A:P/E:F/RL:OF/RC:C)

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

Vulnerability Type:

Vulnerability Consequences:

Gain Privileges

References:

Source: CCN
Type: GitLab 6.2.3 and 5.4.1 Security Releases
GitLab 6.2.3 and 5.4.1 security releases - GitLab Blog

Source: MITRE
Type: CNA
CVE-2013-4490

Source: CCN
Type: GitLab Web site
GitLab: Self Hosted Git Management Application

Source: CCN
Type: oss-sec Mailing List, Mon, 4 Nov 2013 20:01:15 +0100
CVE-2013-4490 Remote code execution vulnerability in the SSH key upload feature of GitLab

Source: CCN
Type: SA55493
gitlab-shell Multiple Vulnerabilities

Source: CCN
Type: OSVDB ID: 99371
Gitlab-shell SSH Access Endpoint Crafted Public Key Upload Remote Command Execution

Source: CCN
Type: BID-63513
GitLab 'SSH key upload' Feature CVE-2013-4490 Remote Code Execution Vulnerability

Source: XF
Type: UNKNOWN
gitlab-cve20134490-code-execution(88547)

Source: CCN
Type: Packet Storm Security [08-18-2014]
Gitlab-shell Code Execution

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [08-19-2014]

Source: CONFIRM
Type: Patch, Vendor Advisory
https://www.gitlab.com/2013/11/04/gitlab-ce-6-2-and-5-4-security-release/

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2013-4490

Vulnerable Configuration:

Configuration 1:

cpe:/a:gitlab:gitlab:5.0.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:5.0.1:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:5.1.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:5.2.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:5.3.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:5.4.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:6.0.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:6.1.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:6.2.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:6.2.1:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab:6.2.2:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab-shell:1.0.4:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab-shell:1.1.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab-shell:1.2.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab-shell:1.3.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab-shell:1.4.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab-shell:1.5.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab-shell:1.6.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab-shell:1.7.0:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab-shell:1.7.1:*:*:*:*:*:*:*

OR cpe:/a:gitlab:gitlab-shell:*:*:*:*:*:*:*:* (Version <= 1.7.2)

Denotes that component is vulnerable