Information Disclosure in TYPO3 Backend
The advisory, in context
The TYPO3 backend module stores the username of an authenticated backend user in its cache files. By guessing the file path to the cache files it is possible to receive valid backend usernames.
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 6.2.0 before 6.2.26
Fixed in 6.2.26
27 explicitly affected versions
6.2.0, 6.2.1, 6.2.10, 6.2.10-rc1, 6.2.11, 6.2.12, 6.2.13, 6.2.14, 6.2.15, 6.2.16, 6.2.17, 6.2.18, 6.2.19, 6.2.2, 6.2.20, 6.2.21, 6.2.22, 6.2.23, 6.2.24, 6.2.25, 6.2.3, 6.2.4, 6.2.5, 6.2.6, 6.2.7, 6.2.8, 6.2.9
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "6.2.0"
},
{
"fixed": "6.2.26"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"6.2.0",
"6.2.1",
"6.2.10",
"6.2.10-rc1",
"6.2.11",
"6.2.12",
"6.2.13",
"6.2.14",
"6.2.15",
"6.2.16",
"6.2.17",
"6.2.18",
"6.2.19",
"6.2.2",
"6.2.20",
"6.2.21",
"6.2.22",
"6.2.23",
"6.2.24",
"6.2.25",
"6.2.3",
"6.2.4",
"6.2.5",
"6.2.6",
"6.2.7",
"6.2.8",
"6.2.9"
]
}From 7.6.0 before 7.6.10
Fixed in 7.6.10
10 explicitly affected versions
7.6.0, 7.6.1, 7.6.2, 7.6.3, 7.6.4, 7.6.5, 7.6.6, 7.6.7, 7.6.8, 7.6.9
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "7.6.0"
},
{
"fixed": "7.6.10"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"7.6.0",
"7.6.1",
"7.6.2",
"7.6.3",
"7.6.4",
"7.6.5",
"7.6.6",
"7.6.7",
"7.6.8",
"7.6.9"
]
}From 8.0.0 before 8.2.1
Fixed in 8.2.1
6 explicitly affected versions
8.0.0, 8.0.1, 8.1.0, 8.1.1, 8.1.2, 8.2.0
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "8.0.0"
},
{
"fixed": "8.2.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"8.0.0",
"8.0.1",
"8.1.0",
"8.1.1",
"8.1.2",
"8.2.0"
]
}