Vulnerability Monitor

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CVE-2017-6922

In Drupal core 8.x prior to 8.3.4 and Drupal core 7.x prior to 7.56; Private files that have been uploaded by an anonymous user but not permanently attached to content on the site should only be visible to the anonymous user that uploaded them, rather than all anonymous users. Drupal core did not previously provide this protection, allowing an access bypass vulnerability to occur. This issue is mitigated by the fact that in order to be affected, the site must allow anonymous users to upload files into a private file system.

Published

2019-01-22T15:29:00.223

Last Modified

2024-11-21T03:30:49.050

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-552

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	drupal	drupal	< 7.56	Yes
Application	drupal	drupal	< 8.3.4	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes

References

http://www.securityfocus.com/bid/99219 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1038781 Third Party Advisory, VDB Entry ([email protected])
https://www.debian.org/security/2017/dsa-3897 Third Party Advisory ([email protected])
https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple Patch, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/99219 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1038781 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2017/dsa-3897 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)