Vulnerability CVE-2020-26405

Vulnerability Name:

CVE-2020-26405 (CCN-192086)

Assigned:

2020-11-17

Published:

2020-11-17

Updated:

2020-12-01

Summary:

Path traversal vulnerability in package upload functionality in GitLab CE/EE starting from 12.8 allows an attacker to save packages in arbitrary locations. Affected versions are >=12.8, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

CVSS v3 Severity:

7.1 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L)
6.4 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L/E:P/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): High Availibility (A): Low

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/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): Low Availibility (A): None

CVSS v2 Severity:

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

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

5.0 Medium (CCN 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 Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

Vulnerability Type:

CWE-22

Vulnerability Consequences:

Obtain Information

References:

Source: MITRE
Type: CNA
CVE-2020-26405

Source: XF
Type: UNKNOWN
gitlab-cve202026405-dir-trav(192086)

Source: CCN
Type: GitLab Web site
CVE-2020-26405.json

Source: CONFIRM
Type: Vendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26405.json

Source: MISC
Type: Broken Link
https://gitlab.com/gitlab-org/gitlab/-/issues/247371

Source: MISC
Type: Permissions Required, Third Party Advisory
https://hackerone.com/reports/835427

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2020-26405

Vulnerable Configuration:

Configuration 1:

cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 12.8.0 and < 13.3.9)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 12.8.0 and < 13.3.9)

OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 13.4.0 and < 13.4.5)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 13.4.0 and < 13.4.5)

OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 13.5.0 and < 13.5.2)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 13.5.0 and < 13.5.2)

Configuration CCN 1:

cpe:/a:gitlab:gitlab:12.9.2:*:*:*:community:*:*:*

OR cpe:/a:gitlab:gitlab:12.9.2:*:*:*:enterprise:*:*:*

OR cpe:/a:gitlab:gitlab:13.0.1:*:*:*:community:*:*:*

OR cpe:/a:gitlab:gitlab:13.0.1:*:*:*:enterprise:*:*:*

Denotes that component is vulnerable

BACK