CVE-2011-2483 (GCVE-0-2011-2483)

Vulnerability from cvelistv5 – Published: 2011-08-25 14:00 – Updated: 2024-08-06 23:00
VLAI
Summary
crypt_blowfish before 1.1, as used in PHP before 5.3.7 on certain platforms, PostgreSQL before 8.4.9, and other products, does not properly handle 8-bit characters, which makes it easier for context-dependent attackers to determine a cleartext password by leveraging knowledge of a password hash.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
redhat CNA under the redhat root
CNA scorecard B 81/100 over 1002 records in the last 180 days details
References
URL Tags
http://www.openwall.com/crypt/ x_refsource_CONFIRM
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://support.apple.com/kb/HT5130 x_refsource_CONFIRM
http://php.net/security/crypt_blowfish x_refsource_CONFIRM
http://www.securityfocus.com/bid/49241 vdb-entryx_refsource_BID
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://www.debian.org/security/2012/dsa-2399 vendor-advisoryx_refsource_DEBIAN
http://www.debian.org/security/2011/dsa-2340 vendor-advisoryx_refsource_DEBIAN
http://www.redhat.com/support/errata/RHSA-2011-13… vendor-advisoryx_refsource_REDHAT
http://www.postgresql.org/docs/8.4/static/release… x_refsource_CONFIRM
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://www.redhat.com/support/errata/RHSA-2011-13… vendor-advisoryx_refsource_REDHAT
http://www.redhat.com/support/errata/RHSA-2011-14… vendor-advisoryx_refsource_REDHAT
http://www.php.net/ChangeLog-5.php#5.3.7 x_refsource_CONFIRM
http://kb.juniper.net/InfoCenter/index?page=conte… x_refsource_CONFIRM
http://www.php.net/archive/2011.php#id2011-08-18-1 x_refsource_CONFIRM
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://freshmeat.net/projects/crypt_blowfish x_refsource_MISC
http://www.ubuntu.com/usn/USN-1229-1 vendor-advisoryx_refsource_UBUNTU
Date Public
2011-06-21 00:00
Show details on NVD website
To clipboard 

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            "value": "crypt_blowfish en versiones anteriores a 1.1, como se utiliza en PHP en versiones anteriores a 5.3.7 en ciertas plataformas, PostgreSQL en versiones anteriores a 8.4.9 y otros productos, no maneja adecuadamente caracteres de 8-bit, lo que hace m\u00e1s f\u00e1cil a atacantes dependientes de contexto determinar una contrase\u00f1a en texto plano aprovechando el conocimiento del hash de una contrase\u00f1a."
          }
        ],
        "id": "CVE-2011-2483",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 5.0,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2011-08-25T14:22:44.913",
        "references": [
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Broken Link"
            ],
            "url": "http://freshmeat.net/projects/crypt_blowfish"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10705"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Mailing List"
            ],
            "url": "http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00015.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://php.net/security/crypt_blowfish"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://support.apple.com/kb/HT5130"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.debian.org/security/2011/dsa-2340"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.debian.org/security/2012/dsa-2399"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Broken Link"
            ],
            "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:165"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Broken Link"
            ],
            "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:178"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
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          },
          {
            "source": "secalert@redhat.com",
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          },
          {
            "source": "secalert@redhat.com",
            "tags": [
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              "Patch",
              "Third Party Advisory"
            ],
            "url": "http://www.openwall.com/crypt/"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://www.php.net/ChangeLog-5.php#5.3.7"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "http://www.php.net/archive/2011.php#id2011-08-18-1"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "http://www.postgresql.org/docs/8.4/static/release-8-4-9.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Broken Link"
            ],
            "url": "http://www.redhat.com/support/errata/RHSA-2011-1377.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Broken Link"
            ],
            "url": "http://www.redhat.com/support/errata/RHSA-2011-1378.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Broken Link"
            ],
            "url": "http://www.redhat.com/support/errata/RHSA-2011-1423.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/49241"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://www.ubuntu.com/usn/USN-1229-1"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69319"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Broken Link"
            ],
            "url": "http://freshmeat.net/projects/crypt_blowfish"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10705"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            ],
            "url": "http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00015.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://php.net/security/crypt_blowfish"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            ],
            "url": "http://support.apple.com/kb/HT5130"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            "url": "http://www.debian.org/security/2011/dsa-2340"
          },
          {
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            "url": "http://www.debian.org/security/2012/dsa-2399"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            ],
            "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:165"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            ],
            "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:178"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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          },
          {
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            "url": "http://www.openwall.com/crypt/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            ],
            "url": "http://www.php.net/ChangeLog-5.php#5.3.7"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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              "Vendor Advisory"
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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            "url": "http://www.postgresql.org/docs/8.4/static/release-8-4-9.html"
          },
          {
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          },
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            "url": "http://www.redhat.com/support/errata/RHSA-2011-1378.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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            ],
            "url": "http://www.redhat.com/support/errata/RHSA-2011-1423.html"
          },
          {
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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://www.ubuntu.com/usn/USN-1229-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69319"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-310"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-01-28T22:51:46+00:00",
      "cve": "CVE-2011-2483",
      "id": "CVE-2011-2483",
      "initial_release_date": "2011-06-20T00:00:00+00:00",
      "product_status:fixed": "1201",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "crypt_blowfish: 8-bit character mishandling allows different password pairs to produce the same hash",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-2483.json",
      "version": "3"
    }
  }
}



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