CVE-2024-23322 (GCVE-0-2024-23322)

Vulnerability from cvelistv5 – Published: 2024-02-09 22:51 – Updated: 2024-08-01 22:59
VLAI
Title
Envoy crashes when idle and request per try timeout occur within the backoff interval
Summary
Envoy is a high-performance edge/middle/service proxy. Envoy will crash when certain timeouts happen within the same interval. The crash occurs when the following are true: 1. hedge_on_per_try_timeout is enabled, 2. per_try_idle_timeout is enabled (it can only be done in configuration), 3. per-try-timeout is enabled, either through headers or configuration and its value is equal, or within the backoff interval of the per_try_idle_timeout. This issue has been addressed in released 1.29.1, 1.28.1, 1.27.3, and 1.26.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-02-12 19:07 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
envoyproxy envoy Affected: >= 1.29.0, < 1.29.1
Affected: >= 1.28.0, < 1.28.1
Affected: >= 1.27.0, < 1.27.3
Affected: < 1.26.7
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        ],
        "cna": {
          "affected": [
            {
              "product": "envoy",
              "vendor": "envoyproxy",
              "versions": [
                {
                  "status": "affected",
                  "version": "\u003e= 1.29.0, \u003c 1.29.1"
                },
                {
                  "status": "affected",
                  "version": "\u003e= 1.28.0, \u003c 1.28.1"
                },
                {
                  "status": "affected",
                  "version": "\u003e= 1.27.0, \u003c 1.27.3"
                },
                {
                  "status": "affected",
                  "version": "\u003c 1.26.7"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Envoy is a high-performance edge/middle/service proxy. Envoy will crash when certain timeouts happen within the same interval. The crash occurs when the following are true: 1. hedge_on_per_try_timeout is enabled, 2. per_try_idle_timeout is enabled (it can only be done in configuration), 3. per-try-timeout is enabled, either through headers or configuration and its value is equal, or within the backoff interval of the per_try_idle_timeout. This issue has been addressed in released 1.29.1, 1.28.1, 1.27.3, and 1.26.7. Users are advised to upgrade. There are no known workarounds for this vulnerability."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-416",
                  "description": "CWE-416: Use After Free",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2024-02-09T22:51:53.539Z",
            "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
            "shortName": "GitHub_M"
          },
          "references": [
            {
              "name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-6p83-mfmh-qv38",
              "tags": [
                "x_refsource_CONFIRM"
              ],
              "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-6p83-mfmh-qv38"
            },
            {
              "name": "https://github.com/envoyproxy/envoy/commit/843f9e6a123ed47ce139b421c14e7126f2ac685e",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/envoyproxy/envoy/commit/843f9e6a123ed47ce139b421c14e7126f2ac685e"
            }
          ],
          "source": {
            "advisory": "GHSA-6p83-mfmh-qv38",
            "discovery": "UNKNOWN"
          },
          "title": "Envoy crashes when idle and request per try timeout occur within the backoff interval"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2024-23322",
        "datePublished": "2024-02-09T22:51:53.539Z",
        "dateReserved": "2024-01-15T15:19:19.438Z",
        "dateUpdated": "2024-08-01T22:59:32.223Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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

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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.



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.