CVE-2011-1398 (GCVE-0-2011-1398)

Vulnerability from cvelistv5 – Published: 2012-08-30 22:00 – Updated: 2024-08-06 22:28
VLAI
Summary
The sapi_header_op function in main/SAPI.c in PHP before 5.3.11 and 5.4.x before 5.4.0RC2 does not check for %0D sequences (aka carriage return characters), which allows remote attackers to bypass an HTTP response-splitting protection mechanism via a crafted URL, related to improper interaction between the PHP header function and certain browsers, as demonstrated by Internet Explorer and Google Chrome.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://openwall.com/lists/oss-security/2012/09/05/15 mailing-listx_refsource_MLIST
http://security-tracker.debian.org/tracker/CVE-20… x_refsource_CONFIRM
http://www.securitytracker.com/id?1027463 vdb-entryx_refsource_SECTRACK
http://secunia.com/advisories/55078 third-party-advisoryx_refsource_SECUNIA
https://bugs.php.net/bug.php?id=60227 x_refsource_MISC
http://rhn.redhat.com/errata/RHSA-2013-1307.html vendor-advisoryx_refsource_REDHAT
http://openwall.com/lists/oss-security/2012/08/29/5 mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://article.gmane.org/gmane.comp.php.devel/70584 mailing-listx_refsource_MLIST
http://www.ubuntu.com/usn/USN-1569-1 vendor-advisoryx_refsource_UBUNTU
Date Public
2012-02-03 00:00
Show details on NVD website
To clipboard 

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                    "criteria": "cpe:2.3:a:php:php:5.3.9:*:*:*:*:*:*:*",
                    "matchCriteriaId": "EC3F1891-032D-409C-904C-A415D2323DFC",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The sapi_header_op function in main/SAPI.c in PHP before 5.3.11 and 5.4.x before 5.4.0RC2 does not check for %0D sequences (aka carriage return characters), which allows remote attackers to bypass an HTTP response-splitting protection mechanism via a crafted URL, related to improper interaction between the PHP header function and certain browsers, as demonstrated by Internet Explorer and Google Chrome."
          },
          {
            "lang": "es",
            "value": "La funci\u00f3n sapi_header_op en el archivo main/SAPI.c en PHP anterior a versi\u00f3n 5.3.11 y versiones 5.4.x anteriores a 5.4.0RC2, no comprueba si hay secuencias de %0D (tambi\u00e9n se conoce como caracteres de retorno de acarreo), lo que permite a atacantes remotos omitir un mecanismo de protecci\u00f3n de divisi\u00f3n de respuesta HTTP por medio de una URL dise\u00f1ada, relacionada con la interacci\u00f3n inapropiada entre la funci\u00f3n de PHP header y ciertos navegadores, como es demostrado por Internet Explorer y Google Chrome."
          }
        ],
        "id": "CVE-2011-1398",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 4.3,
                "confidentialityImpact": "NONE",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 8.6,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2012-08-30T22:55:02.497",
        "references": [
          {
            "source": "cve@mitre.org",
            "url": "http://article.gmane.org/gmane.comp.php.devel/70584"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2013-08/msg00006.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://openwall.com/lists/oss-security/2012/08/29/5"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://openwall.com/lists/oss-security/2012/09/05/15"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://rhn.redhat.com/errata/RHSA-2013-1307.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://secunia.com/advisories/55078"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://security-tracker.debian.org/tracker/CVE-2011-1398"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.securitytracker.com/id?1027463"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.ubuntu.com/usn/USN-1569-1"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://bugs.php.net/bug.php?id=60227"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://article.gmane.org/gmane.comp.php.devel/70584"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2013-08/msg00006.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://openwall.com/lists/oss-security/2012/08/29/5"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://openwall.com/lists/oss-security/2012/09/05/15"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://rhn.redhat.com/errata/RHSA-2013-1307.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/55078"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://security-tracker.debian.org/tracker/CVE-2011-1398"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securitytracker.com/id?1027463"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-1569-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://bugs.php.net/bug.php?id=60227"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:50:59+00:00",
      "cve": "CVE-2011-1398",
      "id": "CVE-2011-1398",
      "initial_release_date": "2011-11-06T00:00:00+00:00",
      "product_status:fixed": "1215",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "PHP: sapi_header_op() %0D sequence handling security bypass",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-1398.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2025-10-08T01:17:48Z",
      "cve": "CVE-2011-1398",
      "id": "CVE-2011-1398",
      "initial_release_date": "2023-02-15T05:53:48Z",
      "product_status:recommended": "583",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2011-1398",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2011-1398.json",
      "version": "7"
    }
  }
}



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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.



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.