CVE-2014-7834
First published: Mon Nov 24 2014(Updated: )
mod/forum/externallib.php in Moodle 2.6.x before 2.6.6 and 2.7.x before 2.7.3 does not verify group permissions, which allows remote authenticated users to access a forum via the forum_get_discussions web service.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/moodle/moodle | >=2.7.0<2.7.3 | 2.7.3 |
| composer/moodle/moodle | >=2.6.0<2.6.6 | 2.6.6 |
| Moodle | <=2.4.11 | |
| Moodle | =2.5.0 | |
| Moodle | =2.5.1 | |
| Moodle | =2.5.2 | |
| Moodle | =2.5.3 | |
| Moodle | =2.5.4 | |
| Moodle | =2.5.5 | |
| Moodle | =2.5.6 | |
| Moodle | =2.5.7 | |
| Moodle | =2.5.8 | |
| Moodle | =2.6.0 | |
| Moodle | =2.6.1 | |
| Moodle | =2.6.2 | |
| Moodle | =2.6.3 | |
| Moodle | =2.6.4 | |
| Moodle | =2.6.5 | |
| Moodle | =2.7.0 | |
| Moodle | =2.7.1 | |
| Moodle | =2.7.2 |
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Reference Links
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-45303
- http://openwall.com/lists/oss-security/2014/11/17/11
- http://www.securitytracker.com/id/1031215
- https://moodle.org/mod/forum/discuss.php?d=275159
- https://nvd.nist.gov/vuln/detail/CVE-2014-7834
- https://github.com/moodle/moodle/commit/3aa9d93c7a78d14fa30e2afbfd8fa7e09bc9cb41
- https://github.com/moodle/moodle/commit/40afeb4044c9718bf175c347f0f9099a037ce9f0
- https://github.com/moodle/moodle/commit/79eda0e9a0d15ba1d87187ec712f96abd62748c1
- https://web.archive.org/web/20150914064838/http://www.securitytracker.com/id/1031215
- https://github.com/advisories/GHSA-557f-2hv4-7jjm (Advisory)
Frequently Asked Questions
What is the severity of CVE-2014-7834?
CVE-2014-7834 is considered a medium severity vulnerability due to improper verification of group permissions that can lead to unauthorized access.
What versions of Moodle are affected by CVE-2014-7834?
CVE-2014-7834 affects Moodle versions 2.6.x prior to 2.6.6 and 2.7.x prior to 2.7.3.
How do I fix CVE-2014-7834?
To fix CVE-2014-7834, upgrade to Moodle version 2.6.6 or later or 2.7.3 or later.
What causes the vulnerability in CVE-2014-7834?
The vulnerability in CVE-2014-7834 is caused by mod/forum/externallib.php not verifying group permissions when accessing the forum_get_discussions web service.
Can CVE-2014-7834 be exploited remotely?
Yes, CVE-2014-7834 can be exploited remotely by authenticated users to access forums they should not have permission to view.
- agent/type
- collector/github-advisory-latest
- source/GitHub
- alias/GHSA-557f-2hv4-7jjm
- alias/CVE-2014-7834
- agent/software-canonical-lookup
- agent/weakness
- agent/references
- agent/severity
- agent/softwarecombine
- agent/description
- agent/author
- collector/github-advisory
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/trending
- agent/source
- agent/tags
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup-request
- collector/nvd-index
- package-manager/composer
- vendor/moodle
- canonical/moodle
- version/moodle/2.4.11
- version/moodle/2.5.0
- version/moodle/2.5.1
- version/moodle/2.5.2
- version/moodle/2.5.3
- version/moodle/2.5.4
- version/moodle/2.5.5
- version/moodle/2.5.6
- version/moodle/2.5.7
- version/moodle/2.5.8
- version/moodle/2.6.0
- version/moodle/2.6.1
- version/moodle/2.6.2
- version/moodle/2.6.3
- version/moodle/2.6.4
- version/moodle/2.6.5
- version/moodle/2.7.0
- version/moodle/2.7.1
- version/moodle/2.7.2