Concrete CMS is vulnerable to authorization bypass in the Calendar Block
The advisory, in context
Concrete CMS 9.5.0 and below is vulnerable to authorization bypass in the Calendar Block since action_get_events does not check canView on the calendar which results in restricted event details being disclosed.
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.
Earlier releases before 9.5.1
Fixed in 9.5.1
89 explicitly affected versions
8.0, 8.0.1, 8.0.2, 8.0.3, 8.1.0, 8.2.0, 8.2.0RC2, 8.2.1, 8.3.0, 8.3.1, 8.3.2, 8.4.0, 8.4.0RC3, 8.4.0RC4, 8.4.1, 8.4.2, 8.4.3, 8.4.4, 8.4.5, 8.5.0, 8.5.0RC1, 8.5.0RC2, 8.5.1, 8.5.10, 8.5.11, 8.5.12, 8.5.13, 8.5.14, 8.5.15, 8.5.16, 8.5.17, 8.5.18, 8.5.19, 8.5.2, 8.5.20, 8.5.21, 8.5.3, 8.5.4, 8.5.5, 8.5.6, 8.5.6RC1, 8.5.7, 8.5.8, 8.5.9, 9.0.0, 9.0.0RC1, 9.0.0RC3, 9.0.0RC4, 9.0.1, 9.0.2, 9.1.0, 9.1.1, 9.1.2, 9.1.3, 9.2.0, 9.2.0RC2, 9.2.1, 9.2.2, 9.2.3, 9.2.4, 9.2.5, 9.2.6, 9.2.7, 9.2.8, 9.2.9, 9.3.0, 9.3.1, 9.3.2, 9.3.3, 9.3.4, 9.3.5, 9.3.6, 9.3.7, 9.3.8, 9.3.9, 9.4.0, 9.4.0RC1, 9.4.0RC2, 9.4.1, 9.4.2, 9.4.3, 9.4.4, 9.4.5, 9.4.6, 9.4.7, 9.4.8, 9.5.0, 9.5.0RC1, 9.5.0RC2
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "9.5.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"8.0",
"8.0.1",
"8.0.2",
"8.0.3",
"8.1.0",
"8.2.0",
"8.2.0RC2",
"8.2.1",
"8.3.0",
"8.3.1",
"8.3.2",
"8.4.0",
"8.4.0RC3",
"8.4.0RC4",
"8.4.1",
"8.4.2",
"8.4.3",
"8.4.4",
"8.4.5",
"8.5.0",
"8.5.0RC1",
"8.5.0RC2",
"8.5.1",
"8.5.10",
"8.5.11",
"8.5.12",
"8.5.13",
"8.5.14",
"8.5.15",
"8.5.16",
"8.5.17",
"8.5.18",
"8.5.19",
"8.5.2",
"8.5.20",
"8.5.21",
"8.5.3",
"8.5.4",
"8.5.5",
"8.5.6",
"8.5.6RC1",
"8.5.7",
"8.5.8",
"8.5.9",
"9.0.0",
"9.0.0RC1",
"9.0.0RC3",
"9.0.0RC4",
"9.0.1",
"9.0.2",
"9.1.0",
"9.1.1",
"9.1.2",
"9.1.3",
"9.2.0",
"9.2.0RC2",
"9.2.1",
"9.2.2",
"9.2.3",
"9.2.4",
"9.2.5",
"9.2.6",
"9.2.7",
"9.2.8",
"9.2.9",
"9.3.0",
"9.3.1",
"9.3.2",
"9.3.3",
"9.3.4",
"9.3.5",
"9.3.6",
"9.3.7",
"9.3.8",
"9.3.9",
"9.4.0",
"9.4.0RC1",
"9.4.0RC2",
"9.4.1",
"9.4.2",
"9.4.3",
"9.4.4",
"9.4.5",
"9.4.6",
"9.4.7",
"9.4.8",
"9.5.0",
"9.5.0RC1",
"9.5.0RC2"
]
}