CVE-2022-35649: Input Validation
First published: Tue Jul 12 2022(Updated: )
An omitted execution parameter resulted in a remote code execution risk for sites running GhostScript versions older than 9.50. Versions affected: 4.0 to 4.0.1, 3.11 to 3.11.7, 3.9 to 3.9.14 and earlier unsupported versions Versions fixed: 4.0.2, 3.11.8 and 3.9.15
Credit: patrick@puiterwijk.org patrick@puiterwijk.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Moodle Moodle | >=3.9.0<3.9.15 | |
| Moodle Moodle | >=3.11.0<3.11.8 | |
| Moodle Moodle | >=4.0.0<4.0.2 | |
| Fedoraproject Fedora | =35 | |
| Fedoraproject Fedora | =36 | |
| redhat/moodle | <4.0.2 | 4.0.2 |
| redhat/moodle | <3.11.8 | 3.11.8 |
| redhat/moodle | <3.9.15 | 3.9.15 |
| composer/moodle/moodle | >=4.0<4.0.2 | 4.0.2 |
| composer/moodle/moodle | >=3.11<3.11.8 | 3.11.8 |
| composer/moodle/moodle | >=3.9<3.9.15 | 3.9.15 |
| >=3.9.0<3.9.15 | ||
| >=3.11.0<3.11.8 | ||
| >=4.0.0<4.0.2 | ||
| =35 | ||
| =36 |
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Reference Links
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-75044
- https://bugzilla.redhat.com/show_bug.cgi?id=2106273
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6MOKYVRNFNAODP2XSMGJ5CRDUZCZKAR3/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MTKUSFPSYFINSQFSOHDQIDVE6FWBEU6V/
- https://moodle.org/mod/forum/discuss.php?d=436456
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2108038
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2108037
- https://nvd.nist.gov/vuln/detail/CVE-2022-35649
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6MOKYVRNFNAODP2XSMGJ5CRDUZCZKAR3
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MTKUSFPSYFINSQFSOHDQIDVE6FWBEU6V
- https://github.com/advisories/GHSA-xp2f-9mx3-3c6p (Advisory)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MOKYVRNFNAODP2XSMGJ5CRDUZCZKAR3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTKUSFPSYFINSQFSOHDQIDVE6FWBEU6V/
Frequently Asked Questions
What is CVE-2022-35649?
CVE-2022-35649 is a vulnerability found in Moodle, which occurs due to improper input validation when parsing PostScript code.
How does CVE-2022-35649 impact Moodle sites?
CVE-2022-35649 poses a remote code execution risk for sites running GhostScript versions older than 9.50.
Which versions of Moodle are affected by CVE-2022-35649?
Moodle versions 3.9.0 to 3.9.15, 3.11.0 to 3.11.8, and 4.0.0 to 4.0.2 are affected by CVE-2022-35649.
How severe is CVE-2022-35649?
CVE-2022-35649 has a severity rating of 9.8 (Critical).
How can I fix CVE-2022-35649 in Moodle?
To fix CVE-2022-35649 in Moodle, it is recommended to upgrade to Moodle versions 3.9.16, 3.11.9, or 4.0.3.
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- source/GitHub
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- vendor/moodle
- canonical/moodle moodle
- version/moodle moodle/3.9.0
- version/moodle moodle/3.11.0
- version/moodle moodle/4.0.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/35
- version/fedoraproject fedora/36
- package-manager/composer
- package-manager/redhat