CVE-2021-35940 (GCVE-0-2021-35940)

Vulnerability from cvelistv5 – Published: 2021-08-23 10:00 – Updated: 2024-08-04 00:40
VLAI
Title
Regression of CVE-2017-12613
Summary
An out-of-bounds array read in the apr_time_exp*() functions was fixed in the Apache Portable Runtime 1.6.3 release (CVE-2017-12613). The fix for this issue was not carried forward to the APR 1.7.x branch, and hence version 1.7.0 regressed compared to 1.6.3 and is vulnerable to the same issue.
Severity
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE
  • APR apr_time_exp* out of bounds array dereference
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache Portable Runtime (APR) Affected: Apache Portable Runtime 1.7.0
Create a notification for this product.
Credits
The Apache Portable Runtime project would like to thank Iveta Cesalova (Red Hat) for reporting this issue.
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              "url": "https://lists.apache.org/thread.html/r1c788464a25fbc046a72aff451bc8186386315d92a2dd0349903fa4f@%3Cdev.tomcat.apache.org%3E"
            },
            {
              "name": "https://www.oracle.com/security-alerts/cpujul2022.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
            }
          ]
        },
        "source": {
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2021-35940",
    "datePublished": "2021-08-23T10:00:10.000Z",
    "dateReserved": "2021-06-29T00:00:00.000Z",
    "dateUpdated": "2024-08-04T00:40:47.582Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-35940",
      "date": "2026-06-03",
      "epss": "0.00071",
      "percentile": "0.21916"
    },
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      "id": "CVE-2021-35940",
      "lastModified": "2024-11-21T06:12:47.590",
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      "published": "2021-08-23T10:15:07.230",
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Advisory\"]}]}}"
  }
}


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Taxonomy of the tags.





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.