CVE-2017-6922: Files uploaded by anonymous users into a private file system can be accessed by other anonymous users
First published: Wed Jun 21 2017(Updated: )
Files uploaded by anonymous users into a private file system can be accessed by other anonymous users
Credit: mlhess@drupal.org mlhess@drupal.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/drupal/core | >=8.0<8.1.0>=8.1.0<8.2.0>=8.2.0<8.3.0>=8.3.0<8.3.4 | |
| composer/drupal/drupal | >=8.0<8.1.0>=8.1.0<8.2.0>=8.2.0<8.3.0>=8.3.0<8.3.4 | |
| debian/drupal7 | <=7.52-2<=7.32-1 | 7.56-1 7.52-2+deb9u1 7.32-1+deb8u9 |
| debian/drupal7 | ||
| composer/drupal/drupal | >=7.0<7.56 | 7.56 |
| composer/drupal/drupal | >=8.0<8.3.4 | 8.3.4 |
| composer/drupal/core | >=8.0<8.3.4 | 8.3.4 |
| composer/drupal/core | >=7.0<7.56 | 7.56 |
| Drupal | >=7.0<7.56 | |
| Drupal | >=8.0.0<8.3.4 | |
| Debian Linux | =8.0 | |
| Debian Linux | =9.0 |
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Reference Links
- https://www.drupal.org/SA-CORE-2017-003
- https://security-tracker.debian.org/tracker/CVE-2017-6922
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6922
- https://wiki.debian.org/LTS/Development
- https://anonscm.debian.org/viewvc/secure-testing/data/dla-needed.txt?view=markup
- https://www.freexian.com/services/debian-lts.html
- https://debian-handbook.info/get/
- https://anonscm.debian.org/cgit/collab-maint/drupal7.git/commit/?h=stretch
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=865498
- http://cgit.drupalcode.org/drupal/diff/?h=7.x&id=600c1346ed976e6f35fc2b0f907a7837f0f7c145&id2=9eebe462d1e93e785e6c028dc6cf689623c4d936
- http://www.securityfocus.com/bid/99219
- http://www.securitytracker.com/id/1038781
- https://www.debian.org/security/2017/dsa-3897
- https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple
- https://nvd.nist.gov/vuln/detail/CVE-2017-6922
- https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2017-6922.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2017-6922.yaml
- https://github.com/advisories/GHSA-58f3-cx8p-h8jg (Advisory)
Frequently Asked Questions
What is the severity of CVE-2017-6922?
The severity of CVE-2017-6922 is classified as moderate since it allows anonymous users to access private files uploaded by other anonymous users.
How do I fix CVE-2017-6922?
To fix CVE-2017-6922, update Drupal to version 7.56 or 8.3.4 or later.
Who is affected by CVE-2017-6922?
CVE-2017-6922 affects Drupal core version 8.x prior to 8.3.4 and 7.x prior to 7.56.
Can CVE-2017-6922 lead to data exposure?
Yes, CVE-2017-6922 can lead to unauthorized data exposure as private files uploaded by anonymous users can be accessed by other anonymous users.
What should I do if I can't upgrade my Drupal version to fix CVE-2017-6922?
If upgrading is not possible, you should restrict anonymous user access to file uploads to mitigate the risk associated with CVE-2017-6922.
- collector/friends-of-php
- collector/debian-bugs
- alias/CVE-2017-6922
- collector/security-tracker-debian
- agent/type
- agent/first-publish-date
- collector/github-advisory-latest
- source/GitHub
- alias/GHSA-58f3-cx8p-h8jg
- agent/software-canonical-lookup
- agent/remedy
- agent/weakness
- agent/severity
- agent/references
- agent/description
- agent/author
- collector/github-advisory
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/title
- agent/event
- agent/trending
- agent/source
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup-request
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- package-manager/composer
- package-manager/debian
- vendor/drupal
- canonical/drupal
- version/drupal/7.0
- version/drupal/8.0.0
- vendor/debian
- canonical/debian linux
- version/debian linux/8.0
- version/debian linux/9.0