Exposure of Sensitive Information to an Unauthorized Actor in Moodle
The advisory, in context
The participants table download in Moodle always included user emails, but should have only done so when users' emails are not hidden. Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5 and 3.7 to 3.7.8. This is fixed in moodle 3.9.3, 3.8.6, 3.7.9, and 3.10.
Affected packages
Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.
From 3.9.0 before 3.9.3
Fixed in 3.9.3
3 explicitly affected versions
v3.9.0, v3.9.1, v3.9.2
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "3.9.0"
},
{
"fixed": "3.9.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v3.9.0",
"v3.9.1",
"v3.9.2"
]
}From 3.8.0 before 3.8.6
Fixed in 3.8.6
6 explicitly affected versions
v3.8.0, v3.8.1, v3.8.2, v3.8.3, v3.8.4, v3.8.5
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "3.8.0"
},
{
"fixed": "3.8.6"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v3.8.0",
"v3.8.1",
"v3.8.2",
"v3.8.3",
"v3.8.4",
"v3.8.5"
]
}From 3.7.0 before 3.7.9
Fixed in 3.7.9
9 explicitly affected versions
v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.7.5, v3.7.6, v3.7.7, v3.7.8
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "3.7.0"
},
{
"fixed": "3.7.9"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v3.7.0",
"v3.7.1",
"v3.7.2",
"v3.7.3",
"v3.7.4",
"v3.7.5",
"v3.7.6",
"v3.7.7",
"v3.7.8"
]
}From 3.10.0-beta before 3.10.0
Fixed in 3.10.0
3 explicitly affected versions
v3.10.0-beta, v3.10.0-rc1, v3.10.0-rc2
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "3.10.0-beta"
},
{
"fixed": "3.10.0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v3.10.0-beta",
"v3.10.0-rc1",
"v3.10.0-rc2"
]
}References
- https://nvd.nist.gov/vuln/detail/CVE-2020-25703
- https://bugzilla.redhat.com/show_bug.cgi?id=1895439
- https://github.com/moodle/moodle
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4NNFCHPPHRJNJROIX6SYMHOC6HMKP3GU
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B55KXBVAT45MDASJ3EK6VIGQOYGJ4NH6
- https://moodle.org/mod/forum/discuss.php?d=413941