GHSA-QG5G-GV98-5FFH

Vulnerability from github – Published: 2024-11-25 16:57 – Updated: 2024-11-25 16:57
VLAI?
Summary
rustls network-reachable panic in `Acceptor::accept`
Details

A bug introduced in rustls 0.23.13 leads to a panic if the received TLS ClientHello is fragmented. Only servers that use rustls::server::Acceptor::accept() are affected.

Servers that use tokio-rustls's LazyConfigAcceptor API are affected.

Servers that use tokio-rustls's TlsAcceptor API are not affected.

Servers that use rustls-ffi's rustls_acceptor_accept API are affected.

Severity ?
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
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{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "rustls"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.23.13"
            },
            {
              "fixed": "0.23.18"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2024-11-25T16:57:34Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "A bug introduced in rustls 0.23.13 leads to a panic if the received TLS ClientHello is fragmented.  Only servers that use `rustls::server::Acceptor::accept()` are affected.\n\nServers that use `tokio-rustls`\u0027s `LazyConfigAcceptor` API are affected.\n\nServers that use `tokio-rustls`\u0027s `TlsAcceptor` API are not affected.\n\nServers that use `rustls-ffi`\u0027s `rustls_acceptor_accept` API are affected.\n",
  "id": "GHSA-qg5g-gv98-5ffh",
  "modified": "2024-11-25T16:57:34Z",
  "published": "2024-11-25T16:57:34Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/rustls/rustls/issues/2227"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/rustls/rustls"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2024-0399.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "rustls network-reachable panic in `Acceptor::accept`"
}


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