ghsa-fx2c-96vj-985v
Vulnerability from github
Impact
A StackOverflowError can be raised when parsing a malformed crafted message due to an infinite recursion.
Patches
Users should upgrade to 4.1.86.Final.
Workarounds
There is no workaround, except using a custom HaProxyMessageDecoder.
References
When parsing a TLV with type = PP2_TYPE_SSL, the value can be again a TLV with type = PP2_TYPE_SSL and so on. The only limitation of the recursion is that the TLV length cannot be bigger than 0xffff because it is encoded in an unsigned short type. Providing a TLV with a nesting level that is large enough will lead to raising of a StackOverflowError. The StackOverflowError will be caught if HAProxyMessageDecoder is used as part of Netty’s ChannelPipeline, but using it directly without the ChannelPipeline will lead to a thrown exception / crash.
For more information
If you have any questions or comments about this advisory: * Open an issue in netty
{
"affected": [
{
"package": {
"ecosystem": "Maven",
"name": "io.netty:netty-codec-haproxy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.1.86.Final"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2022-41881"
],
"database_specific": {
"cwe_ids": [
"CWE-674"
],
"github_reviewed": true,
"github_reviewed_at": "2022-12-12T21:24:29Z",
"nvd_published_at": "2022-12-12T18:15:00Z",
"severity": "MODERATE"
},
"details": "### Impact\nA StackOverflowError can be raised when parsing a malformed crafted message due to an infinite recursion.\n\n### Patches\nUsers should upgrade to 4.1.86.Final.\n\n### Workarounds\nThere is no workaround, except using a custom HaProxyMessageDecoder.\n\n### References\nWhen parsing a TLV with type = PP2_TYPE_SSL, the value can be again a TLV with type = PP2_TYPE_SSL and so on.\nThe only limitation of the recursion is that the TLV length cannot be bigger than 0xffff because it is encoded in an unsigned short type.\nProviding a TLV with a nesting level that is large enough will lead to raising of a StackOverflowError.\nThe StackOverflowError will be caught if HAProxyMessageDecoder is used as part of Netty\u2019s ChannelPipeline, but using it directly without the ChannelPipeline will lead to a thrown exception / crash.\n\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [netty](https://github.com/netty/netty)\n",
"id": "GHSA-fx2c-96vj-985v",
"modified": "2023-01-13T17:18:24Z",
"published": "2022-12-12T21:24:29Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/netty/netty/security/advisories/GHSA-fx2c-96vj-985v"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-41881"
},
{
"type": "PACKAGE",
"url": "https://github.com/netty/netty"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2023/01/msg00008.html"
},
{
"type": "WEB",
"url": "https://security.netapp.com/advisory/ntap-20230113-0004"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2023/dsa-5316"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
}
],
"summary": "HAProxyMessageDecoder Stack Exhaustion DoS"
}
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.