rustsec-2022-0032
Vulnerability from osv_rustsec
Published
2022-07-05 12:00
Modified
2023-06-13 13:10
Summary
AES OCB fails to encrypt some bytes
Details

AES OCB mode for 32-bit x86 platforms using the AES-NI assembly optimised implementation will not encrypt the entirety of the data under some circumstances. This could reveal sixteen bytes of data that was preexisting in the memory that wasn't written. In the special case of "in place" encryption, sixteen bytes of the plaintext would be revealed.

Since OpenSSL does not support OCB based cipher suites for TLS and DTLS, they are both unaffected.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "categories": [
          "crypto-failure"
        ],
        "cvss": null,
        "informational": null
      },
      "ecosystem_specific": {
        "affected_functions": null,
        "affects": {
          "arch": [],
          "functions": [],
          "os": []
        }
      },
      "package": {
        "ecosystem": "crates.io",
        "name": "openssl-src",
        "purl": "pkg:cargo/openssl-src"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0-0"
            },
            {
              "fixed": "111.22.0"
            },
            {
              "introduced": "300.0.0"
            },
            {
              "fixed": "300.0.9"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [
    "CVE-2022-2097",
    "GHSA-3wx7-46ch-7rq2"
  ],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "AES OCB mode for 32-bit x86 platforms using the AES-NI assembly optimised\nimplementation will not encrypt the entirety of the data under some\ncircumstances.  This could reveal sixteen bytes of data that was\npreexisting in the memory that wasn\u0027t written.  In the special case of\n\"in place\" encryption, sixteen bytes of the plaintext would be revealed.\n\nSince OpenSSL does not support OCB based cipher suites for TLS and DTLS,\nthey are both unaffected.",
  "id": "RUSTSEC-2022-0032",
  "modified": "2023-06-13T13:10:24Z",
  "published": "2022-07-05T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/openssl-src"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2022-0032.html"
    },
    {
      "type": "WEB",
      "url": "https://www.openssl.org/news/secadv/20220705.txt"
    }
  ],
  "related": [],
  "severity": [],
  "summary": "AES OCB fails to encrypt some bytes"
}


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