Vulnerability Name:

CVE-2017-6377 (CCN-123457)

Assigned:2017-03-15
Published:2017-03-15
Updated:2019-10-03
Summary:When adding a private file via the editor in Drupal 8.2.x before 8.2.7, the editor will not correctly check access for the file being attached, resulting in an access bypass.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/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): None
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)
4.6 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: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): 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
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-863
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2017-6377

Source: BID
Type: Third Party Advisory, VDB Entry
96919

Source: CCN
Type: BID-96919
Drupal Core DRUPAL-SA-CORE-2017-001 Multiple Security Vulnerabilities

Source: SECTRACK
Type: UNKNOWN
1038058

Source: XF
Type: UNKNOWN
drupal-cve20176377-sec-bypass(123457)

Source: CCN
Type: DRUPAL-SA-CORE-2017-001
Drupal Core - Multiple Vulnerabilities

Source: CONFIRM
Type: Vendor Advisory
https://www.drupal.org/SA-2017-001

Vulnerable Configuration:Configuration 1:
  • cpe:/a:drupal:drupal:8.2.0:*:*:*:*:*:*:*
  • OR cpe:/a:drupal:drupal:8.2.0:beta1:*:*:*:*:*:*
  • OR cpe:/a:drupal:drupal:8.2.0:beta2:*:*:*:*:*:*
  • OR cpe:/a:drupal:drupal:8.2.0:beta3:*:*:*:*:*:*
  • OR cpe:/a:drupal:drupal:8.2.0:rc1:*:*:*:*:*:*
  • OR cpe:/a:drupal:drupal:8.2.0:rc2:*:*:*:*:*:*
  • OR cpe:/a:drupal:drupal:8.2.1:*:*:*:*:*:*:*
  • OR cpe:/a:drupal:drupal:8.2.2:*:*:*:*:*:*:*
  • OR cpe:/a:drupal:drupal:8.2.3:*:*:*:*:*:*:*
  • OR cpe:/a:drupal:drupal:8.2.4:*:*:*:*:*:*:*
  • OR cpe:/a:drupal:drupal:8.2.5:*:*:*:*:*:*:*
  • OR cpe:/a:drupal:drupal:8.2.6:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:drupal:drupal:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.artful:def:20176377000
    V
    		CVE-2017-6377 on Ubuntu 17.10 (artful) - medium.
    2017-03-16
    oval:com.ubuntu.xenial:def:201763770000000
    V
    		CVE-2017-6377 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-03-16
    oval:com.ubuntu.precise:def:20176377000
    V
    		CVE-2017-6377 on Ubuntu 12.04 LTS (precise) - medium.
    2017-03-16
    oval:com.ubuntu.trusty:def:20176377000
    V
    		CVE-2017-6377 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-03-16
    oval:com.ubuntu.xenial:def:20176377000
    V
    		CVE-2017-6377 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-03-16
    BACK
    drupal drupal 8.2.0
    drupal drupal 8.2.0 beta1
    drupal drupal 8.2.0 beta2
    drupal drupal 8.2.0 beta3
    drupal drupal 8.2.0 rc1
    drupal drupal 8.2.0 rc2
    drupal drupal 8.2.1
    drupal drupal 8.2.2
    drupal drupal 8.2.3
    drupal drupal 8.2.4
    drupal drupal 8.2.5
    drupal drupal 8.2.6
    drupal drupal *