FKIE_CVE-2014-8639
Vulnerability from fkie_nvd - Published: 2015-01-14 11:59 - Updated: 2026-06-17 00:17
Severity
Summary
Mozilla Firefox before 35.0, Firefox ESR 31.x before 31.4, Thunderbird before 31.4, and SeaMonkey before 2.32 do not properly interpret Set-Cookie headers within responses that have a 407 (aka Proxy Authentication Required) status code, which allows remote HTTP proxy servers to conduct session fixation attacks by providing a cookie name that corresponds to the session cookie of the origin server.
References
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "security@mozilla.org"
}
],
"configurations": [
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"versionEndIncluding": "2.31",
"vulnerable": true
}
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"versionEndIncluding": "34.0.5",
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Mozilla Firefox before 35.0, Firefox ESR 31.x before 31.4, Thunderbird before 31.4, and SeaMonkey before 2.32 do not properly interpret Set-Cookie headers within responses that have a 407 (aka Proxy Authentication Required) status code, which allows remote HTTP proxy servers to conduct session fixation attacks by providing a cookie name that corresponds to the session cookie of the origin server."
},
{
"lang": "es",
"value": "Mozilla Firefox anterior a 35.0, Firefox ESR 31.x anterior a 31.4, Thunderbird anterior a 31.4, y SeaMonkey anterior a 2.32 no interprete correctamente cabeceras Set-Cookie dentro de respuestas que tienen un c\u00f3digo de estatus 407 (tambi\u00e9n conocido como Proxy Authentication Required), lo que permite a servidores proxy remotos HTTP realizar ataques de fijaci\u00f3n de sesiones mediante la provisi\u00f3n de un nombre de cookie que corresponde con la cookie de la sesi\u00f3n de servidor de origen."
}
],
"evaluatorComment": "\u003ca href=\"http://cwe.mitre.org/data/definitions/384.html\" target=\"_blank\"\u003eCWE-384: Session Fixation\u003c/a\u003e",
"id": "CVE-2014-8639",
"lastModified": "2026-06-17T00:17:04.593",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2015-01-14T11:59:07.930",
"references": [
{
"source": "security@mozilla.org",
"url": "http://linux.oracle.com/errata/ELSA-2015-0046.html"
},
{
"source": "security@mozilla.org",
"url": "http://linux.oracle.com/errata/ELSA-2015-0047.html"
},
{
"source": "security@mozilla.org",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00014.html"
},
{
"source": "security@mozilla.org",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00032.html"
},
{
"source": "security@mozilla.org",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00033.html"
},
{
"source": "security@mozilla.org",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00036.html"
},
{
"source": "security@mozilla.org",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00002.html"
},
{
"source": "security@mozilla.org",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html"
},
{
"source": "security@mozilla.org",
"url": "http://lists.opensuse.org/opensuse-updates/2015-01/msg00071.html"
},
{
"source": "security@mozilla.org",
"url": "http://rhn.redhat.com/errata/RHSA-2015-0046.html"
},
{
"source": "security@mozilla.org",
"url": "http://rhn.redhat.com/errata/RHSA-2015-0047.html"
},
{
"source": "security@mozilla.org",
"url": "http://secunia.com/advisories/62237"
},
{
"source": "security@mozilla.org",
"url": "http://secunia.com/advisories/62242"
},
{
"source": "security@mozilla.org",
"url": "http://secunia.com/advisories/62250"
},
{
"source": "security@mozilla.org",
"url": "http://secunia.com/advisories/62253"
},
{
"source": "security@mozilla.org",
"url": "http://secunia.com/advisories/62259"
},
{
"source": "security@mozilla.org",
"url": "http://secunia.com/advisories/62273"
},
{
"source": "security@mozilla.org",
"url": "http://secunia.com/advisories/62274"
},
{
"source": "security@mozilla.org",
"url": "http://secunia.com/advisories/62283"
},
{
"source": "security@mozilla.org",
"url": "http://secunia.com/advisories/62293"
},
{
"source": "security@mozilla.org",
"url": "http://secunia.com/advisories/62304"
},
{
"source": "security@mozilla.org",
"url": "http://secunia.com/advisories/62313"
},
{
"source": "security@mozilla.org",
"url": "http://secunia.com/advisories/62315"
},
{
"source": "security@mozilla.org",
"url": "http://secunia.com/advisories/62316"
},
{
"source": "security@mozilla.org",
"url": "http://secunia.com/advisories/62418"
},
{
"source": "security@mozilla.org",
"url": "http://secunia.com/advisories/62446"
},
{
"source": "security@mozilla.org",
"url": "http://secunia.com/advisories/62657"
},
{
"source": "security@mozilla.org",
"url": "http://secunia.com/advisories/62790"
},
{
"source": "security@mozilla.org",
"url": "http://www.debian.org/security/2015/dsa-3127"
},
{
"source": "security@mozilla.org",
"url": "http://www.debian.org/security/2015/dsa-3132"
},
{
"source": "security@mozilla.org",
"tags": [
"Vendor Advisory"
],
"url": "http://www.mozilla.org/security/announce/2014/mfsa2015-04.html"
},
{
"source": "security@mozilla.org",
"url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html"
},
{
"source": "security@mozilla.org",
"url": "http://www.securityfocus.com/bid/72046"
},
{
"source": "security@mozilla.org",
"url": "http://www.securitytracker.com/id/1031533"
},
{
"source": "security@mozilla.org",
"url": "http://www.securitytracker.com/id/1031534"
},
{
"source": "security@mozilla.org",
"url": "http://www.ubuntu.com/usn/USN-2460-1"
},
{
"source": "security@mozilla.org",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1095859"
},
{
"source": "security@mozilla.org",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/99959"
},
{
"source": "security@mozilla.org",
"url": "https://security.gentoo.org/glsa/201504-01"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://linux.oracle.com/errata/ELSA-2015-0046.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://linux.oracle.com/errata/ELSA-2015-0047.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00014.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00032.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00033.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00036.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00002.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-updates/2015-01/msg00071.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2015-0046.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2015-0047.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62237"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62242"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62250"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62253"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62259"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62273"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62274"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62283"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62293"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62304"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62313"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62315"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62316"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62418"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62446"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62657"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62790"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2015/dsa-3127"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2015/dsa-3132"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://www.mozilla.org/security/announce/2014/mfsa2015-04.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/72046"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id/1031533"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id/1031534"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/USN-2460-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1095859"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/99959"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.gentoo.org/glsa/201504-01"
}
],
"sourceIdentifier": "security@mozilla.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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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.
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