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CVE-2020-25219 (GCVE-0-2020-25219)

Vulnerability from cvelistv5 – Published: 2020-09-09 20:30 – Updated: 2024-08-04 15:33
VLAI
Summary
url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a remote HTTP server to trigger uncontrolled recursion via a response composed of an infinite stream that lacks a newline character. This leads to stack exhaustion.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
URL Tags
https://github.com/libproxy/libproxy/issues/134 x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2020… mailing-listx_refsource_MLIST
https://usn.ubuntu.com/4514-1/ vendor-advisoryx_refsource_UBUNTU
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://www.debian.org/security/2020/dsa-4800 vendor-advisoryx_refsource_DEBIAN
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      "initial_release_date": "2020-09-02T00:00:00.000Z",
      "product_status:fixed": "1",
      "product_status:known_affected": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a remote HTTP server to trigger uncontrolled recursion via a response composed of an infinite stream that lacks a newline character. This leads to stack exhaustion.",
      "url": "https://msrc.microsoft.com/csaf/vex/2020/msrc_cve-2020-25219.json",
      "version": "1"
    },
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        "cveTags": [],
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            "lang": "en",
            "value": "url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a remote HTTP server to trigger uncontrolled recursion via a response composed of an infinite stream that lacks a newline character. This leads to stack exhaustion."
          },
          {
            "lang": "es",
            "value": "La funci\u00f3n url::recvline en el archivo url.cpp en libproxy versiones 0.4.x hasta 0.4.15, permite a un servidor HTTP remoto activar una recursividad no controlada por medio de una respuesta compuesta por una transmisi\u00f3n infinita que carece de un car\u00e1cter newline.\u0026#xa0;Esto conlleva al agotamiento de la pila."
          }
        ],
        "id": "CVE-2020-25219",
        "lastModified": "2024-11-21T05:17:41.407",
        "metrics": {
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              "baseSeverity": "MEDIUM",
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                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 5.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
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                "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"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
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        },
        "published": "2020-09-09T21:15:11.117",
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            "tags": [
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            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00030.html"
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            "url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00012.html"
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    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-03-19T21:11:54+00:00",
      "cve": "CVE-2020-25219",
      "id": "CVE-2020-25219",
      "initial_release_date": "2020-09-09T00:00:00+00:00",
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      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "libproxy: uncontrolled recursion via an infinite stream response leading to stack exhaustion",
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      "version": "3"
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      "id": "CVE-2020-25219",
      "initial_release_date": "2023-02-15T03:54:06Z",
      "product_status:known_affected": "322",
      "product_status:known_not_affected": "64",
      "product_status:recommended": "483",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2020-25219",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2020-25219.json",
      "version": "43"
    }
  }
}



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Tags
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.


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.