CVE-2015-0217
First published: Mon Jun 01 2015(Updated: )
filter/mediaplugin/filter.php in Moodle through 2.5.9, 2.6.x before 2.6.7, 2.7.x before 2.7.4, and 2.8.x before 2.8.2 allows remote authenticated users to cause a denial of service (CPU consumption or partial outage) via a crafted string that is matched against an improper regular expression.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/moodle/moodle | >=2.8.0<2.8.2 | 2.8.2 |
| composer/moodle/moodle | >=2.7.0<2.7.4 | 2.7.4 |
| composer/moodle/moodle | <2.6.7 | 2.6.7 |
| Moodle | <=2.5.9 | |
| 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 | =2.6.6 | |
| Moodle | =2.7.0 | |
| Moodle | =2.7.1 | |
| Moodle | =2.7.2 | |
| Moodle | =2.7.3 | |
| Moodle | =2.8.0 |
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Reference Links
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-48546
- http://openwall.com/lists/oss-security/2015/01/19/1
- https://moodle.org/mod/forum/discuss.php?d=278617
- https://nvd.nist.gov/vuln/detail/CVE-2015-0217
- https://github.com/moodle/moodle/commit/01da07a42be0f69de9f316be6ee8cb25ecd60c19
- https://github.com/moodle/moodle/commit/25191bc31187f6381ad9fc690b653414ea3bc6d4
- https://github.com/moodle/moodle/commit/531492a32cf77f90bc48c4868a5f71dd7040049f
- https://github.com/moodle/moodle/commit/5329d84f0b5767f5bb800b203bfb89753ac35146
- https://github.com/moodle/moodle/commit/63ed941a9363b6da3322df2b8de5be0d1df6d81a
- https://github.com/moodle/moodle/commit/70229b7ec718ee3929109c54de74a8d14264a166
- https://github.com/moodle/moodle/commit/d11969e7775b0fc1a2debf6ec91e42d25b0eeecd
- https://github.com/advisories/GHSA-p497-37fc-xvvc (Advisory)
Frequently Asked Questions
What is the severity of CVE-2015-0217?
CVE-2015-0217 has a moderate severity level as it allows remote authenticated users to cause denial of service.
How do I fix CVE-2015-0217?
To fix CVE-2015-0217, upgrade your Moodle installation to version 2.8.2 or later, 2.7.4 or later, or 2.6.7.
Which versions of Moodle are affected by CVE-2015-0217?
CVE-2015-0217 affects Moodle versions 2.5.9 and earlier, 2.6.x before 2.6.7, 2.7.x before 2.7.4, and 2.8.x before 2.8.2.
What kind of attack does CVE-2015-0217 enable?
CVE-2015-0217 enables remote authenticated users to launch a denial of service attack through resource exhaustion.
Is CVE-2015-0217 related to regular expressions in Moodle?
Yes, CVE-2015-0217 is caused by improper regular expression matching in the filter/mediaplugin/filter.php file.
- agent/type
- collector/github-advisory-latest
- source/GitHub
- alias/GHSA-p497-37fc-xvvc
- alias/CVE-2015-0217
- agent/software-canonical-lookup
- agent/weakness
- agent/severity
- agent/references
- agent/description
- agent/author
- agent/softwarecombine
- 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/2.5.9
- 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/2.6.6
- version/moodle/2.7.0
- version/moodle/2.7.1
- version/moodle/2.7.2
- version/moodle/2.7.3
- version/moodle/2.8.0