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Critical

Security advisory

Type: advisorySources: OSVCVE: CVE-2019-10071

The code which checks HMAC in form submissions used String.equals() for comparisons, which results in a timing side channel for the comparison of the HMAC signatures. This could lead to remote code execution if an attacker is able to determine the correct signature for their payload. The comparison should be done with a constant time algorithm instead.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2019-10071
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 06:51 UTC · Revision 1

Source evidence

CVE-2019-10071

core-osv · Original source

Published 16 Sept 2019, 18:15 UTC

The code which checks HMAC in form submissions used String.equals() for comparisons, which results in a timing side channel for the comparison of the HMAC signatures. This could lead to remote code execution if an attacker is able to determine the correct signature for their payload. The comparison should be done with a constant time algorithm instead.

osv:CVE-2019-10071
Complete source record
{
  "id": "2c2c695e7e58aab4f02ba146f1dc3a1250f0b215f868ddb21ab0aa2a069da05d",
  "url": "https://osv.dev/vulnerability/CVE-2019-10071",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-10071",
    "summary": "The code which checks HMAC in form submissions used String.equals() for comparisons, which results in a timing side channel for the comparison of the HMAC signatures. This could lead to remote code execution if an attacker is able to determine the correct signature for their payload. The comparison should be done with a constant time algorithm instead.",
    "evidence": "osv:CVE-2019-10071",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2019-10071",
      "aliases": [
        "CVE-2019-10071",
        "GHSA-fgmr-vx7c-5wj6"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/tapestry-5",
              "type": "GIT",
              "events": [
                {
                  "introduced": "2672e9847ad56d2b3f83c28319b532b92d6af5c9"
                },
                {
                  "last_affected": "85cc611fbad4a3574664b33ce9adf614b4f0fe07"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:tapestry:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.4.0"
                      },
                      {
                        "last_affected": "5.4.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.4.3",
            "5.4.2",
            "5.4.1",
            "5.4.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-10071.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:45.335731737Z",
      "provider": "osv",
      "references": [
        "https://lists.apache.org/thread.html/6e8f42c88da7be3c60aafe3f6a85eb00b4f8b444de26b38d36233a43%40%3Cusers.tapestry.apache.org%3E",
        "https://lists.apache.org/thread.html/7a437dad5af7309aba4d01bfc2463b3ac34e6aafaa565381d3a36460%40%3Cusers.tapestry.apache.org%3E",
        "https://lists.apache.org/thread.html/bac8d6f9e1b4059b319d9cba6f33219a99b81623476ec896138f851c%40%3Cusers.tapestry.apache.org%3E",
        "https://lists.apache.org/thread.html/r7d9c54beb1dc97dcccc58d9b5d31f0f7166f9a25ad1beba5f8091e0c%40%3Ccommits.tapestry.apache.org%3E",
        "https://lists.apache.org/thread.html/r87523dd07886223aa086edc25fe9b8ddb9c1090f7db25b068dc30843%40%3Ccommits.tapestry.apache.org%3E"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:apache:tapestry:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "apache:tapestry",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "5.4.0"
                  },
                  {
                    "last_affected": "5.4.3"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2019-10071",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436106,
  "published_at": "2019-09-16T18:15:10.36+00:00"
}