Moodle Denial of Service
The advisory, in context
A vulnerability was found in Moodle where the decompressed size of zip files was not checked against available user quota before unzipping them, which could lead to a denial of service risk. This affects versions 3.9 to 3.9.1, 3.8 to 3.8.4, 3.7 to 3.7.7, 3.5 to 3.5.13 and earlier unsupported versions. Fixed in 3.9.2, 3.8.5, 3.7.8 and 3.5.14.
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 before 3.9.2
Fixed in 3.9.2
6 explicitly affected versions
v3.9.0, v3.9.0-beta, v3.9.0-rc1, v3.9.0-rc2, v3.9.0-rc3, v3.9.1
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "3.9"
},
{
"fixed": "3.9.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v3.9.0",
"v3.9.0-beta",
"v3.9.0-rc1",
"v3.9.0-rc2",
"v3.9.0-rc3",
"v3.9.1"
]
}From 3.8 before 3.8.5
Fixed in 3.8.5
7 explicitly affected versions
v3.8.0, v3.8.0-beta, v3.8.0-rc1, v3.8.1, v3.8.2, v3.8.3, v3.8.4
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "3.8"
},
{
"fixed": "3.8.5"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v3.8.0",
"v3.8.0-beta",
"v3.8.0-rc1",
"v3.8.1",
"v3.8.2",
"v3.8.3",
"v3.8.4"
]
}From 3.7 before 3.7.8
Fixed in 3.7.8
11 explicitly affected versions
v3.7.0, v3.7.0-beta, v3.7.0-rc1, v3.7.0-rc2, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.7.5, v3.7.6, v3.7.7
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "3.7"
},
{
"fixed": "3.7.8"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v3.7.0",
"v3.7.0-beta",
"v3.7.0-rc1",
"v3.7.0-rc2",
"v3.7.1",
"v3.7.2",
"v3.7.3",
"v3.7.4",
"v3.7.5",
"v3.7.6",
"v3.7.7"
]
}From 3.5 before 3.5.14
Fixed in 3.5.14
16 explicitly affected versions
v3.5.0, v3.5.0-beta, v3.5.0-rc1, v3.5.1, v3.5.10, v3.5.11, v3.5.12, v3.5.13, v3.5.2, v3.5.3, v3.5.4, v3.5.5, v3.5.6, v3.5.7, v3.5.8, v3.5.9
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "3.5"
},
{
"fixed": "3.5.14"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v3.5.0",
"v3.5.0-beta",
"v3.5.0-rc1",
"v3.5.1",
"v3.5.10",
"v3.5.11",
"v3.5.12",
"v3.5.13",
"v3.5.2",
"v3.5.3",
"v3.5.4",
"v3.5.5",
"v3.5.6",
"v3.5.7",
"v3.5.8",
"v3.5.9"
]
}