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

Vulnerability from cvelistv5 – Published: 2011-02-18 23:00 – Updated: 2024-08-06 22:05
VLAI
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.
Severity
No CVSS data available.
CWE
  • n/a
References
URL Tags
http://www.vupen.com/english/advisories/2011/0398 vdb-entryx_refsource_VUPEN
http://www.vupen.com/english/advisories/2011/0773 vdb-entryx_refsource_VUPEN
http://secunia.com/advisories/43345 third-party-advisoryx_refsource_SECUNIA
http://www.debian.org/security/2011/dsa-2164 vendor-advisoryx_refsource_DEBIAN
http://www.ubuntu.com/usn/USN-1065-1 vendor-advisoryx_refsource_UBUNTU
http://www.vupen.com/english/advisories/2011/0396 vdb-entryx_refsource_VUPEN
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://osvdb.org/70895 vdb-entryx_refsource_OSVDB
http://www.securityfocus.com/bid/46426 vdb-entryx_refsource_BID
http://slackware.com/security/viewer.php?l=slackw… vendor-advisoryx_refsource_SLACKWARE
http://secunia.com/advisories/42505 third-party-advisoryx_refsource_SECUNIA
Date Public
2011-02-16 00:00
Show details on NVD website

{
  "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",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2011-0721",
      "date": "2026-09-28",
      "epss": "0.02309",
      "percentile": "0.82696"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:debian:shadow:1\\:4.1.4:*:*:*:*:*:*:*",
                  "matchCriteriaId": "021D4066-989E-4B2C-93B2-65748E24E257",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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."
        },
        {
          "lang": "es",
          "value": "M\u00faltiples vulnerabilidades de inyecci\u00f3n CRLF en (1) chfn y (2) chsh sobre shadow 1:4.1.4 permiten agregar nuevos usuarios o grupos a /etc/passwd a los usuarios locales a trav\u00e9s del campo GECOS."
        }
      ],
      "id": "CVE-2011-0721",
      "lastModified": "2024-11-21T01:24:41.607",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "accessComplexity": "LOW",
              "accessVector": "NETWORK",
              "authentication": "NONE",
              "availabilityImpact": "PARTIAL",
              "baseScore": 6.4,
              "confidentialityImpact": "NONE",
              "integrityImpact": "PARTIAL",
              "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P",
              "version": "2.0"
            },
            "exploitabilityScore": 10.0,
            "impactScore": 4.9,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": false
          }
        ]
      },
      "published": "2011-02-19T01:00:03.353",
      "references": [
        {
          "source": "security@ubuntu.com",
          "url": "http://osvdb.org/70895"
        },
        {
          "source": "security@ubuntu.com",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "http://secunia.com/advisories/42505"
        },
        {
          "source": "security@ubuntu.com",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "http://secunia.com/advisories/43345"
        },
        {
          "source": "security@ubuntu.com",
          "url": "http://slackware.com/security/viewer.php?l=slackware-security\u0026y=2011\u0026m=slackware-security.380014"
        },
        {
          "source": "security@ubuntu.com",
          "url": "http://www.debian.org/security/2011/dsa-2164"
        },
        {
          "source": "security@ubuntu.com",
          "url": "http://www.securityfocus.com/bid/46426"
        },
        {
          "source": "security@ubuntu.com",
          "url": "http://www.ubuntu.com/usn/USN-1065-1"
        },
        {
          "source": "security@ubuntu.com",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "http://www.vupen.com/english/advisories/2011/0396"
        },
        {
          "source": "security@ubuntu.com",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "http://www.vupen.com/english/advisories/2011/0398"
        },
        {
          "source": "security@ubuntu.com",
          "url": "http://www.vupen.com/english/advisories/2011/0773"
        },
        {
          "source": "security@ubuntu.com",
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65564"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://osvdb.org/70895"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "http://secunia.com/advisories/42505"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "http://secunia.com/advisories/43345"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://slackware.com/security/viewer.php?l=slackware-security\u0026y=2011\u0026m=slackware-security.380014"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://www.debian.org/security/2011/dsa-2164"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://www.securityfocus.com/bid/46426"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://www.ubuntu.com/usn/USN-1065-1"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "http://www.vupen.com/english/advisories/2011/0396"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "http://www.vupen.com/english/advisories/2011/0398"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://www.vupen.com/english/advisories/2011/0773"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65564"
        }
      ],
      "sourceIdentifier": "security@ubuntu.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-20"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:debian:shadow:1\\:4.1.4:*:*:*:*:*:*:*",
                    "matchCriteriaId": "021D4066-989E-4B2C-93B2-65748E24E257",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "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."
          },
          {
            "lang": "es",
            "value": "M\u00faltiples vulnerabilidades de inyecci\u00f3n CRLF en (1) chfn y (2) chsh sobre shadow 1:4.1.4 permiten agregar nuevos usuarios o grupos a /etc/passwd a los usuarios locales a trav\u00e9s del campo GECOS."
          }
        ],
        "id": "CVE-2011-0721",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 6.4,
                "confidentialityImpact": "NONE",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 4.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2011-02-19T01:00:03.353",
        "references": [
          {
            "source": "security@ubuntu.com",
            "url": "http://osvdb.org/70895"
          },
          {
            "source": "security@ubuntu.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://secunia.com/advisories/42505"
          },
          {
            "source": "security@ubuntu.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://secunia.com/advisories/43345"
          },
          {
            "source": "security@ubuntu.com",
            "url": "http://slackware.com/security/viewer.php?l=slackware-security\u0026y=2011\u0026m=slackware-security.380014"
          },
          {
            "source": "security@ubuntu.com",
            "url": "http://www.debian.org/security/2011/dsa-2164"
          },
          {
            "source": "security@ubuntu.com",
            "url": "http://www.securityfocus.com/bid/46426"
          },
          {
            "source": "security@ubuntu.com",
            "url": "http://www.ubuntu.com/usn/USN-1065-1"
          },
          {
            "source": "security@ubuntu.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.vupen.com/english/advisories/2011/0396"
          },
          {
            "source": "security@ubuntu.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.vupen.com/english/advisories/2011/0398"
          },
          {
            "source": "security@ubuntu.com",
            "url": "http://www.vupen.com/english/advisories/2011/0773"
          },
          {
            "source": "security@ubuntu.com",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65564"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://osvdb.org/70895"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://secunia.com/advisories/42505"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://secunia.com/advisories/43345"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://slackware.com/security/viewer.php?l=slackware-security\u0026y=2011\u0026m=slackware-security.380014"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2011/dsa-2164"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/46426"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-1065-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.vupen.com/english/advisories/2011/0396"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.vupen.com/english/advisories/2011/0398"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.vupen.com/english/advisories/2011/0773"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65564"
          }
        ],
        "sourceIdentifier": "security@ubuntu.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-01-13T21:05:23+00:00",
      "cve": "CVE-2011-0721",
      "id": "CVE-2011-0721",
      "initial_release_date": "2011-02-15T00:00:00+00:00",
      "product_status:known_not_affected": "8",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "shadow: Multiple CRLF injections in chfn and chsh",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-0721.json",
      "version": "3"
    }
  }
}



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…

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…