certfr_avis - CERTA-2009-AVI-456

CERTA-2009-AVI-456

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité dans ProFTPD permet à une personne malintentionnée de contourner la politique de sécurité.

Description

Une vulnérabilité dans le traitement de certificats SSL par le module mod_tls de ProFTPD permet à une personne malintentionnée de contourner la politique de sécurité. Ceci peut être exploité par un client pour falsifier un certificat SSL en incluant un caractère NULL dans le champ subjectAltName du certificat.

Solution

La version 1.3.2b de ProFTPD corrige le problème.

ProFTPD versions antérieures à 1.3.2b.

Impacted products

	Vendor	Product	Description

References

Title

Publication Time

CVE-2009-3639 (GCVE-0-2009-3639)

Vulnerability from cvelistv5 – Published: 2009-10-28 14:00 – Updated: 2024-08-07 06:38

Summary

The mod_tls module in ProFTPD before 1.3.2b, and 1.3.3 before 1.3.3rc2, when the dNSNameRequired TLS option is enabled, does not properly handle a '\0' character in a domain name in the Subject Alternative Name field of an X.509 client certificate, which allows remote attackers to bypass intended client-hostname restrictions via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Severity ?

No CVSS data available.

CWE

Assigner

redhat

References

URL

Tags

	http://marc.info/?l=oss-security&m=125630966510672&w=2	mailing-listx_refsource_MLIST
	https://www.redhat.com/archives/fedora-package-an…	vendor-advisoryx_refsource_FEDORA
	http://secunia.com/advisories/37219	third-party-advisoryx_refsource_SECUNIA
	https://www.redhat.com/archives/fedora-package-an…	vendor-advisoryx_refsource_FEDORA
	http://www.debian.org/security/2009/dsa-1925	vendor-advisoryx_refsource_DEBIAN
	http://bugs.proftpd.org/show_bug.cgi?id=3275	x_refsource_CONFIRM
	http://marc.info/?l=oss-security&m=125632960508211&w=2	mailing-listx_refsource_MLIST
	http://www.securityfocus.com/bid/36804	vdb-entryx_refsource_BID
	https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF
	http://secunia.com/advisories/37131	third-party-advisoryx_refsource_SECUNIA
	http://www.mandriva.com/security/advisories?name=…	vendor-advisoryx_refsource_MANDRIVA
	https://bugzilla.redhat.com/show_bug.cgi?id=530719	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-07T06:38:28.465Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "[oss-security] 20091023 proftpd - mod_tls - Improper SSL/TLS certificate subjectAltName verification",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://marc.info/?l=oss-security\u0026m=125630966510672\u0026w=2"
          },
          {
            "name": "FEDORA-2009-11666",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00649.html"
          },
          {
            "name": "37219",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/37219"
          },
          {
            "name": "FEDORA-2009-11649",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00642.html"
          },
          {
            "name": "DSA-1925",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2009/dsa-1925"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://bugs.proftpd.org/show_bug.cgi?id=3275"
          },
          {
            "name": "[oss-security] 20091023 Re: proftpd - mod_tls - Improper SSL/TLS certificate subjectAltName verification",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://marc.info/?l=oss-security\u0026m=125632960508211\u0026w=2"
          },
          {
            "name": "36804",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/36804"
          },
          {
            "name": "proftpd-modtls-security-bypass(53936)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/53936"
          },
          {
            "name": "37131",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/37131"
          },
          {
            "name": "MDVSA-2009:288",
            "tags": [
              "vendor-advisory",
              "x_refsource_MANDRIVA",
              "x_transferred"
            ],
            "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:288"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=530719"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2009-10-23T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "The mod_tls module in ProFTPD before 1.3.2b, and 1.3.3 before 1.3.3rc2, when the dNSNameRequired TLS option is enabled, does not properly handle a \u0027\\0\u0027 character in a domain name in the Subject Alternative Name field of an X.509 client certificate, which allows remote attackers to bypass intended client-hostname restrictions via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-08-16T14:57:01",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "[oss-security] 20091023 proftpd - mod_tls - Improper SSL/TLS certificate subjectAltName verification",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://marc.info/?l=oss-security\u0026m=125630966510672\u0026w=2"
        },
        {
          "name": "FEDORA-2009-11666",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00649.html"
        },
        {
          "name": "37219",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/37219"
        },
        {
          "name": "FEDORA-2009-11649",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00642.html"
        },
        {
          "name": "DSA-1925",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2009/dsa-1925"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://bugs.proftpd.org/show_bug.cgi?id=3275"
        },
        {
          "name": "[oss-security] 20091023 Re: proftpd - mod_tls - Improper SSL/TLS certificate subjectAltName verification",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://marc.info/?l=oss-security\u0026m=125632960508211\u0026w=2"
        },
        {
          "name": "36804",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/36804"
        },
        {
          "name": "proftpd-modtls-security-bypass(53936)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/53936"
        },
        {
          "name": "37131",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/37131"
        },
        {
          "name": "MDVSA-2009:288",
          "tags": [
            "vendor-advisory",
            "x_refsource_MANDRIVA"
          ],
          "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:288"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=530719"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2009-3639",
    "datePublished": "2009-10-28T14:00:00",
    "dateReserved": "2009-10-09T00:00:00",
    "dateUpdated": "2024-08-07T06:38:28.465Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted