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CVE-2015-7193 (GCVE-0-2015-7193)

Vulnerability from cvelistv5 – Published: 2015-11-05 02:00 – Updated: 2024-08-06 07:43
VLAI
Summary
Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 improperly follow the CORS cross-origin request algorithm for the POST method in situations involving an unspecified Content-Type header manipulation, which allows remote attackers to bypass the Same Origin Policy by leveraging the lack of a preflight-request step.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://www.securitytracker.com/id/1034069 vdb-entryx_refsource_SECTRACK
http://www.debian.org/security/2015/dsa-3410 vendor-advisoryx_refsource_DEBIAN
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://security.gentoo.org/glsa/201512-10 vendor-advisoryx_refsource_GENTOO
http://www.securityfocus.com/bid/77411 vdb-entryx_refsource_BID
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-updates/2015-1… vendor-advisoryx_refsource_SUSE
http://rhn.redhat.com/errata/RHSA-2015-2519.html vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/USN-2785-1 vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2015-1982.html vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/USN-2819-1 vendor-advisoryx_refsource_UBUNTU
https://bugzilla.mozilla.org/show_bug.cgi?id=1210302 x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.debian.org/security/2015/dsa-3393 vendor-advisoryx_refsource_DEBIAN
http://lists.opensuse.org/opensuse-updates/2015-1… vendor-advisoryx_refsource_SUSE
http://www.mozilla.org/security/announce/2015/mfs… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
Date Public
2015-11-03 00:00
Show details on NVD website
To clipboard 

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              "baseScore": 7.5,
              "confidentialityImpact": "PARTIAL",
              "integrityImpact": "PARTIAL",
              "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
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            "value": "Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 improperly follow the CORS cross-origin request algorithm for the POST method in situations involving an unspecified Content-Type header manipulation, which allows remote attackers to bypass the Same Origin Policy by leveraging the lack of a preflight-request step."
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            "value": "Mozilla Firefox en versiones anteriores a 42.0 y Firefox ESR 38.x en versiones anteriores a 38.4 sigue el algoritmo de petici\u00f3n CORS cross-origin indebidamente para el m\u00e9todo POST en situaciones que involucran una manipulaci\u00f3n de la cabecera Content-Type no especificada, lo que permite a atacantes remotos eludir la Same Origin Policy mediante el aprovechamiento de la falta del paso preflight-request."
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        "sourceIdentifier": "security@mozilla.org",
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    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2025-11-21T14:28:18+00:00",
      "cve": "CVE-2015-7193",
      "id": "CVE-2015-7193",
      "initial_release_date": "2015-11-04T00:00:00+00:00",
      "product_status:fixed": "246",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Mozilla: CORS preflight is bypassed when non-standard Content-Type headers are received (MFSA 2015-127)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-7193.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-09-04T01:07:46Z",
      "cve": "CVE-2015-7193",
      "id": "CVE-2015-7193",
      "initial_release_date": "2023-02-15T05:14:19Z",
      "product_status:known_affected": "5",
      "product_status:known_not_affected": "191",
      "product_status:recommended": "617",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2015-7193",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-7193.json",
      "version": "23"
    }
  }
}



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Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.


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.