SB2020010312 - Multiple vulnerabilities in GitLab, Gitlab Community Edition
Published: January 3, 2020 Updated: July 17, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 14 vulnerabilities.
1) Improper access control (CVE-ID: CVE-2019-19255)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.
The vulnerability exists due to improper access restrictions. A remote attacker can send a specially crafted request and gain unauthorized access to the affected application.
2) Improper access control (CVE-ID: CVE-2019-19256)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.
The vulnerability exists due to improper access restrictions. A remote attacker can send a specially crafted request and gain unauthorized access to the affected application.
3) Improper access control (CVE-ID: CVE-2019-19257)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.
The vulnerability exists due to improper access restrictions. A remote attacker can send a specially crafted request and gain unauthorized access to the affected application.
4) Improper access control (CVE-ID: CVE-2019-19258)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.
The vulnerability exists due to improper access restrictions. A remote attacker can send a specially crafted request and gain unauthorized access to the affected application.
5) Authorization bypass through user-controlled key (CVE-ID: CVE-2019-19259)
CWE-ID: -
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote authenticated user to manipulate data.
GitLab Enterprise Edition (EE) 11.3 and later through 12.5 allows an Insecure Direct Object Reference (IDOR).
6) Improper access control (CVE-ID: CVE-2019-19260)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.
The vulnerability exists due to improper access restrictions. A remote attacker can send a specially crafted request and gain unauthorized access to the affected application.
7) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2019-19261)
CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)
CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
GitLab Enterprise Edition (EE) 6.7 and later through 12.5 allows SSRF.
8) Improper access control (CVE-ID: CVE-2019-19309)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.
The vulnerability exists due to improper access restrictions. A remote attacker can send a specially crafted request and gain unauthorized access to the affected application.
9) Insufficiently protected credentials (CVE-ID: CVE-2019-19310)
CWE-ID: CWE-522 - Insufficiently Protected Credentials
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote privileged user to gain access to sensitive information.
GitLab Enterprise Edition (EE) 9.0 and later through 12.5 allows Information Disclosure.
10) Information disclosure (CVE-ID: CVE-2019-19086)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote authenticated user to gain access to sensitive information.
Gitlab Enterprise Edition (EE) before 12.5.1 has Insecure Permissions (issue 1 of 2).
11) Information disclosure (CVE-ID: CVE-2019-19087)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote authenticated user to gain access to sensitive information.
Gitlab Enterprise Edition (EE) before 12.5.1 has Insecure Permissions (issue 2 of 2).
12) Path traversal (CVE-ID: CVE-2019-19088)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Gitlab Enterprise Edition (EE) 11.3 through 12.4.2 allows Directory Traversal.
13) Improper access control (CVE-ID: CVE-2019-19254)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.
The vulnerability exists due to improper access restrictions. A remote attacker can send a specially crafted request and gain unauthorized access to the affected application.
14) Cross-site scripting (CVE-ID: CVE-2019-19311)
CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Install update from vendor's website.