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CVE-2022-30629 (GCVE-0-2022-30629)

Vulnerability from cvelistv5 – Published: 2022-08-09 20:17 – Updated: 2026-03-06 19:12
VLAI
Title
Session tickets lack random ticket_age_add in crypto/tls
Summary
Non-random values for ticket_age_add in session tickets in crypto/tls before Go 1.17.11 and Go 1.18.3 allow an attacker that can observe TLS handshakes to correlate successive connections by comparing ticket ages during session resumption.
Severity
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-24 20:38 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Go standard library crypto/tls Affected: 0 , < 1.17.11 (semver)
Affected: 1.18.0-0 , < 1.18.3 (semver)
guessed Create a notification for this product.
Credits
Github user @nervuri
Show details on NVD website
To clipboard 

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                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-02-24T20:38:04.620332Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-03-06T19:12:03.095Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "collectionURL": "https://pkg.go.dev",
              "defaultStatus": "unaffected",
              "packageName": "crypto/tls",
              "product": "crypto/tls",
              "programRoutines": [
                {
                  "name": "serverHandshakeStateTLS13.sendSessionTickets"
                }
              ],
              "vendor": "Go standard library",
              "versions": [
                {
                  "lessThan": "1.17.11",
                  "status": "affected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThan": "1.18.3",
                  "status": "affected",
                  "version": "1.18.0-0",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "value": "Github user @nervuri"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Non-random values for ticket_age_add in session tickets in crypto/tls before Go 1.17.11 and Go 1.18.3 allow an attacker that can observe TLS handshakes to correlate successive connections by comparing ticket ages during session resumption."
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "CWE-200: Information Exposure",
                  "lang": "en"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-06-12T19:04:50.302Z",
            "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
            "shortName": "Go"
          },
          "references": [
            {
              "url": "https://go.dev/cl/405994"
            },
            {
              "url": "https://go.googlesource.com/go/+/fe4de36198794c447fbd9d7cc2d7199a506c76a5"
            },
            {
              "url": "https://go.dev/issue/52814"
            },
            {
              "url": "https://groups.google.com/g/golang-announce/c/TzIC9-t8Ytg/m/IWz5T6x7AAAJ"
            },
            {
              "url": "https://pkg.go.dev/vuln/GO-2022-0531"
            }
          ],
          "title": "Session tickets lack random ticket_age_add in crypto/tls"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "assignerShortName": "Go",
        "cveId": "CVE-2022-30629",
        "datePublished": "2022-08-09T20:17:31.000Z",
        "dateReserved": "2022-05-12T00:00:00.000Z",
        "dateUpdated": "2026-03-06T19:12:16.725Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.