Bug 2214373 (CVE-2023-35133, MSA-23-0018) - CVE-2023-35133 moodle: SSRF risk due to insufficient check on the cURL blocked hosts
Summary: CVE-2023-35133 moodle: SSRF risk due to insufficient check on the cURL blocke...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2023-35133, MSA-23-0018
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2216004 2216003
Blocks: 2214360
TreeView+ depends on / blocked
 
Reported: 2023-06-12 18:57 UTC by Guilherme de Almeida Suckevicz
Modified: 2023-06-30 01:19 UTC (History)
1 user (show)

Fixed In Version: moodle 4.2.1, moodle 4.1.4, moodle 4.0.9, moodle 3.11.15, moodle 3.9.22
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Last Closed: 2023-06-20 03:39:13 UTC
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Description Guilherme de Almeida Suckevicz 2023-06-12 18:57:20 UTC 
An issue in the logic used to check 0.0.0.0 against the cURL blocked hosts lists resulted in an SSRF risk. This flaw affects Moodle versions 4.2, 4.1 to 4.1.3, 4.0 to 4.0.8, 3.11 to 3.11.14, 3.9 to 3.9.21 and earlier unsupported versions.

Reference:
https://moodle.org/mod/forum/discuss.php?d=447831
Comment 1 Guilherme de Almeida Suckevicz 2023-06-19 16:39:13 UTC 
Created moodle tracking bugs for this issue:

Affects: epel-7 [bug 2216004]
Affects: fedora-all [bug 2216003]
Comment 2 Product Security DevOps Team 2023-06-20 03:39:11 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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