certfr_avis - certa-2011-avi-094

CERTA-2011-AVI-094

Vulnerability from certfr_avis

Une vulnérabilité dans shadow permet à un utilisateur malintentionné de contourner la politique de sécurité.

Description

Le paquet shadow permet la gestion d'utilisateurs, de groupes et de mots de passe.

Un défaut de vérification des entrées des utilisateurs est présent dans les utilitaires chfn et chsh du paquet shadow. Ce défaut est exploitable par un utilisateur malveillant pour créer des utilisateurs ou corrompre des mots de passe.

Solution

Se référer aux bulletins des distributions Linux pour l'obtention des correctifs (cf. section Documentation).

Paquet Linux shadow.

Impacted products

	Vendor	Product	Description

References

Title

Publication Time

CVE-2011-0721 (GCVE-0-2011-0721)

Vulnerability from cvelistv5

Published

2011-02-18 23:00

Modified

2024-08-06 22:05

Severity ?

CWE

Summary

Multiple CRLF injection vulnerabilities in (1) chfn and (2) chsh in shadow 1:4.1.4 allow local users to add new users or groups to /etc/passwd via the GECOS field.

References

URL

Tags

	http://www.vupen.com/english/advisories/2011/0398	vdb-entry, x_refsource_VUPEN
	http://www.vupen.com/english/advisories/2011/0773	vdb-entry, x_refsource_VUPEN
	http://secunia.com/advisories/43345	third-party-advisory, x_refsource_SECUNIA
	http://www.debian.org/security/2011/dsa-2164	vendor-advisory, x_refsource_DEBIAN
	http://www.ubuntu.com/usn/USN-1065-1	vendor-advisory, x_refsource_UBUNTU
	http://www.vupen.com/english/advisories/2011/0396	vdb-entry, x_refsource_VUPEN
	https://exchange.xforce.ibmcloud.com/vulnerabilities/65564	vdb-entry, x_refsource_XF
	http://osvdb.org/70895	vdb-entry, x_refsource_OSVDB
	http://www.securityfocus.com/bid/46426	vdb-entry, x_refsource_BID
	http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.380014	vendor-advisory, x_refsource_SLACKWARE
	http://secunia.com/advisories/42505	third-party-advisory, x_refsource_SECUNIA

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T22:05:53.410Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "ADV-2011-0398",
            "tags": [
              "vdb-entry",
              "x_refsource_VUPEN",
              "x_transferred"
            ],
            "url": "http://www.vupen.com/english/advisories/2011/0398"
          },
          {
            "name": "ADV-2011-0773",
            "tags": [
              "vdb-entry",
              "x_refsource_VUPEN",
              "x_transferred"
            ],
            "url": "http://www.vupen.com/english/advisories/2011/0773"
          },
          {
            "name": "43345",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/43345"
          },
          {
            "name": "DSA-2164",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2011/dsa-2164"
          },
          {
            "name": "USN-1065-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-1065-1"
          },
          {
            "name": "ADV-2011-0396",
            "tags": [
              "vdb-entry",
              "x_refsource_VUPEN",
              "x_transferred"
            ],
            "url": "http://www.vupen.com/english/advisories/2011/0396"
          },
          {
            "name": "shadow-chfnchsh-crlf-injection(65564)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65564"
          },
          {
            "name": "70895",
            "tags": [
              "vdb-entry",
              "x_refsource_OSVDB",
              "x_transferred"
            ],
            "url": "http://osvdb.org/70895"
          },
          {
            "name": "46426",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/46426"
          },
          {
            "name": "SSA:2011-086-03",
            "tags": [
              "vendor-advisory",
              "x_refsource_SLACKWARE",
              "x_transferred"
            ],
            "url": "http://slackware.com/security/viewer.php?l=slackware-security\u0026y=2011\u0026m=slackware-security.380014"
          },
          {
            "name": "42505",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/42505"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2011-02-16T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Multiple CRLF injection vulnerabilities in (1) chfn and (2) chsh in shadow 1:4.1.4 allow local users to add new users or groups to /etc/passwd via the GECOS field."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-08-16T14:57:01.000Z",
        "orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
        "shortName": "canonical"
      },
      "references": [
        {
          "name": "ADV-2011-0398",
          "tags": [
            "vdb-entry",
            "x_refsource_VUPEN"
          ],
          "url": "http://www.vupen.com/english/advisories/2011/0398"
        },
        {
          "name": "ADV-2011-0773",
          "tags": [
            "vdb-entry",
            "x_refsource_VUPEN"
          ],
          "url": "http://www.vupen.com/english/advisories/2011/0773"
        },
        {
          "name": "43345",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/43345"
        },
        {
          "name": "DSA-2164",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2011/dsa-2164"
        },
        {
          "name": "USN-1065-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-1065-1"
        },
        {
          "name": "ADV-2011-0396",
          "tags": [
            "vdb-entry",
            "x_refsource_VUPEN"
          ],
          "url": "http://www.vupen.com/english/advisories/2011/0396"
        },
        {
          "name": "shadow-chfnchsh-crlf-injection(65564)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65564"
        },
        {
          "name": "70895",
          "tags": [
            "vdb-entry",
            "x_refsource_OSVDB"
          ],
          "url": "http://osvdb.org/70895"
        },
        {
          "name": "46426",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/46426"
        },
        {
          "name": "SSA:2011-086-03",
          "tags": [
            "vendor-advisory",
            "x_refsource_SLACKWARE"
          ],
          "url": "http://slackware.com/security/viewer.php?l=slackware-security\u0026y=2011\u0026m=slackware-security.380014"
        },
        {
          "name": "42505",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/42505"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@ubuntu.com",
          "ID": "CVE-2011-0721",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Multiple CRLF injection vulnerabilities in (1) chfn and (2) chsh in shadow 1:4.1.4 allow local users to add new users or groups to /etc/passwd via the GECOS field."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "ADV-2011-0398",
              "refsource": "VUPEN",
              "url": "http://www.vupen.com/english/advisories/2011/0398"
            },
            {
              "name": "ADV-2011-0773",
              "refsource": "VUPEN",
              "url": "http://www.vupen.com/english/advisories/2011/0773"
            },
            {
              "name": "43345",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/43345"
            },
            {
              "name": "DSA-2164",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2011/dsa-2164"
            },
            {
              "name": "USN-1065-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-1065-1"
            },
            {
              "name": "ADV-2011-0396",
              "refsource": "VUPEN",
              "url": "http://www.vupen.com/english/advisories/2011/0396"
            },
            {
              "name": "shadow-chfnchsh-crlf-injection(65564)",
              "refsource": "XF",
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65564"
            },
            {
              "name": "70895",
              "refsource": "OSVDB",
              "url": "http://osvdb.org/70895"
            },
            {
              "name": "46426",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/46426"
            },
            {
              "name": "SSA:2011-086-03",
              "refsource": "SLACKWARE",
              "url": "http://slackware.com/security/viewer.php?l=slackware-security\u0026y=2011\u0026m=slackware-security.380014"
            },
            {
              "name": "42505",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/42505"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
    "assignerShortName": "canonical",
    "cveId": "CVE-2011-0721",
    "datePublished": "2011-02-18T23:00:00.000Z",
    "dateReserved": "2011-02-01T00:00:00.000Z",
    "dateUpdated": "2024-08-06T22:05:53.410Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted