CodeIgniter4 DoS Vulnerability
The advisory, in context
Impact
A vulnerability was found in the Language class that allowed DoS attacks. This vulnerability can be exploited by an attacker to consume a large amount of memory on the server.
Patches
Upgrade to v4.4.7 or later. See upgrading guide.
Workarounds
- Disabling Auto Routing prevents a known attack vector in the framework.
- Do not pass invalid values to the
lang()function orLanguageclass.
References
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 4.4.7
Fixed in 4.4.7
57 explicitly affected versions
4.0.0, 4.0.0-rc.4, v4.0.0-alpha.3, v4.0.0-alpha.4, v4.0.0-alpha.5, v4.0.0-beta.1, v4.0.0-beta.2, v4.0.0-beta.3, v4.0.0-beta.4, v4.0.0-rc.1, v4.0.0-rc.2, v4.0.0-rc.2.1, v4.0.0-rc.3, v4.0.1, v4.0.2, v4.0.3, v4.0.4, v4.0.5, v4.1.0, v4.1.1, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8, v4.1.9, v4.2.0, v4.2.1, v4.2.10, v4.2.11, v4.2.12, v4.2.2, v4.2.3, v4.2.4, v4.2.5, v4.2.6, v4.2.7, v4.2.8, v4.2.9, v4.3.0, v4.3.1, v4.3.2, v4.3.3, v4.3.4, v4.3.5, v4.3.6, v4.3.7, v4.3.8, v4.4.0, v4.4.1, v4.4.2, v4.4.3, v4.4.4, v4.4.5, v4.4.6
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.4.7"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.0.0",
"4.0.0-rc.4",
"v4.0.0-alpha.3",
"v4.0.0-alpha.4",
"v4.0.0-alpha.5",
"v4.0.0-beta.1",
"v4.0.0-beta.2",
"v4.0.0-beta.3",
"v4.0.0-beta.4",
"v4.0.0-rc.1",
"v4.0.0-rc.2",
"v4.0.0-rc.2.1",
"v4.0.0-rc.3",
"v4.0.1",
"v4.0.2",
"v4.0.3",
"v4.0.4",
"v4.0.5",
"v4.1.0",
"v4.1.1",
"v4.1.2",
"v4.1.3",
"v4.1.4",
"v4.1.5",
"v4.1.6",
"v4.1.7",
"v4.1.8",
"v4.1.9",
"v4.2.0",
"v4.2.1",
"v4.2.10",
"v4.2.11",
"v4.2.12",
"v4.2.2",
"v4.2.3",
"v4.2.4",
"v4.2.5",
"v4.2.6",
"v4.2.7",
"v4.2.8",
"v4.2.9",
"v4.3.0",
"v4.3.1",
"v4.3.2",
"v4.3.3",
"v4.3.4",
"v4.3.5",
"v4.3.6",
"v4.3.7",
"v4.3.8",
"v4.4.0",
"v4.4.1",
"v4.4.2",
"v4.4.3",
"v4.4.4",
"v4.4.5",
"v4.4.6"
]
}