GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

FKIE_CVE-2019-17266

Vulnerability from fkie_nvd - Published: 2019-10-06 22:15 - Updated: 2026-06-17 02:23
Summary
libsoup from versions 2.65.1 until 2.68.1 have a heap-based buffer over-read because soup_ntlm_parse_challenge() in soup-auth-ntlm.c does not properly check an NTLM message's length before proceeding with a memcpy.
References
cve@mitre.orghttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941912Third Party Advisory
cve@mitre.orghttps://github.com/Kirin-say/Vulnerabilities/blob/master/CVE-2019-17266_POC.mdThird Party Advisory
cve@mitre.orghttps://gitlab.gnome.org/GNOME/libsoup/commit/88b7dff4467f4151afae244ea7d1223753cd05abThird Party Advisory
cve@mitre.orghttps://gitlab.gnome.org/GNOME/libsoup/commit/f8a54ac85eec2008c85393f331cdd251af8266adThird Party Advisory
cve@mitre.orghttps://gitlab.gnome.org/GNOME/libsoup/issues/173Broken Link, Issue Tracking, Third Party Advisory
cve@mitre.orghttps://security-tracker.debian.org/tracker/CVE-2019-17266Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4152-1/Third Party Advisory
cve@mitre.orghttps://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1705054.html
af854a3a-2127-422b-91ae-364da2661108https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941912Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/Kirin-say/Vulnerabilities/blob/master/CVE-2019-17266_POC.mdThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://gitlab.gnome.org/GNOME/libsoup/commit/88b7dff4467f4151afae244ea7d1223753cd05abThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://gitlab.gnome.org/GNOME/libsoup/commit/f8a54ac85eec2008c85393f331cdd251af8266adThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://gitlab.gnome.org/GNOME/libsoup/issues/173Broken Link, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security-tracker.debian.org/tracker/CVE-2019-17266Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4152-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1705054.html
Impacted products
Vendor Product Version
gnome libsoup *
gnome libsoup *
canonical ubuntu_linux 18.04
canonical ubuntu_linux 19.04

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gnome:libsoup:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "82D58806-8762-4FD9-9658-6C4809D1E432",
              "versionEndExcluding": "2.66.4",
              "versionStartIncluding": "2.65.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:gnome:libsoup:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "73D27E8B-ABB1-436E-85B8-A692C8237393",
              "versionEndIncluding": "2.68.1",
              "versionStartIncluding": "2.67.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*",
              "matchCriteriaId": "CD783B0C-9246-47D9-A937-6144FE8BFF0F",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "libsoup from versions 2.65.1 until 2.68.1 have a heap-based buffer over-read because soup_ntlm_parse_challenge() in soup-auth-ntlm.c does not properly check an NTLM message\u0027s length before proceeding with a memcpy."
    },
    {
      "lang": "es",
      "value": "libsoup desde las versiones 2.65.1 hasta 2.68.1 presenta una lectura excesiva de b\u00fafer en la regi\u00f3n heap de la memoria porque la funci\u00f3n soup_ntlm_parse_challenge() en el archivo soup-auth-ntlm.c no comprueba apropiadamente la longitud de un mensaje NTLM antes del procesamiento con una memcpy."
    }
  ],
  "id": "CVE-2019-17266",
  "lastModified": "2026-06-17T02:23:36.223",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-10-06T22:15:10.367",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941912"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/Kirin-say/Vulnerabilities/blob/master/CVE-2019-17266_POC.md"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://gitlab.gnome.org/GNOME/libsoup/commit/88b7dff4467f4151afae244ea7d1223753cd05ab"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://gitlab.gnome.org/GNOME/libsoup/commit/f8a54ac85eec2008c85393f331cdd251af8266ad"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://gitlab.gnome.org/GNOME/libsoup/issues/173"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security-tracker.debian.org/tracker/CVE-2019-17266"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://usn.ubuntu.com/4152-1/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1705054.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941912"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/Kirin-say/Vulnerabilities/blob/master/CVE-2019-17266_POC.md"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://gitlab.gnome.org/GNOME/libsoup/commit/88b7dff4467f4151afae244ea7d1223753cd05ab"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://gitlab.gnome.org/GNOME/libsoup/commit/f8a54ac85eec2008c85393f331cdd251af8266ad"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://gitlab.gnome.org/GNOME/libsoup/issues/173"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security-tracker.debian.org/tracker/CVE-2019-17266"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://usn.ubuntu.com/4152-1/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1705054.html"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

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.


Loading…