CVE-2007-4752 (GCVE-0-2007-4752)
Vulnerability from cvelistv5 – Published: 2007-09-12 01:00 – Updated: 2024-08-07 15:08
VLAI
EPSS
VEX
Summary
ssh in OpenSSH before 4.7 does not properly handle when an untrusted cookie cannot be created and uses a trusted X11 cookie instead, which allows attackers to violate intended policy and gain privileges by causing an X client to be treated as trusted.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
30 references
Date Public
2007-09-05 00:00
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"matchCriteriaId": "A410C8F9-717C-4657-91DD-BAEAB53ECC16",
"versionEndIncluding": "4.6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openbsd:openssh:4.0:*:*:*:*:*:*:*",
"matchCriteriaId": "E003AB3C-8DF3-4AE8-82A3-984F30E5599B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openbsd:openssh:4.0p1:*:*:*:*:*:*:*",
"matchCriteriaId": "5EBE75FE-DDE2-43BA-80EF-15A6698EABC9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openbsd:openssh:4.1:*:*:*:*:*:*:*",
"matchCriteriaId": "1FF67D77-02AC-4807-984D-C5AE9799F051",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openbsd:openssh:4.1p1:*:*:*:*:*:*:*",
"matchCriteriaId": "683B26F0-5EA2-455A-8948-27C100BBA3AC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openbsd:openssh:4.2:*:*:*:*:*:*:*",
"matchCriteriaId": "E5A75B23-2DD7-4EB2-BEAA-049FF4E51A14",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openbsd:openssh:4.2p1:*:*:*:*:*:*:*",
"matchCriteriaId": "7279E1EC-DEBC-4ACC-925D-06A7697C162F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openbsd:openssh:4.3:*:*:*:*:*:*:*",
"matchCriteriaId": "7910598E-BEC1-4644-9DE4-D8BE505A4F9E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openbsd:openssh:4.3p1:*:*:*:*:*:*:*",
"matchCriteriaId": "FB416D0C-6C86-450F-8917-D4B1BD82AB1E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openbsd:openssh:4.3p2:*:*:*:*:*:*:*",
"matchCriteriaId": "3640CCC9-EC4A-44A4-B747-7BAAAD3460C7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openbsd:openssh:4.4:*:*:*:*:*:*:*",
"matchCriteriaId": "B2DD362E-9EA9-4E88-9A94-D7B471EB1FD4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openbsd:openssh:4.4p1:*:*:*:*:*:*:*",
"matchCriteriaId": "E3094069-AC2E-43BD-8094-D48E2526DECC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openbsd:openssh:4.5:*:*:*:*:*:*:*",
"matchCriteriaId": "9B72CFB3-39C7-469C-AA59-69F5B8993BF7",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "ssh in OpenSSH before 4.7 does not properly handle when an untrusted cookie cannot be created and uses a trusted X11 cookie instead, which allows attackers to violate intended policy and gain privileges by causing an X client to be treated as trusted."
},
{
"lang": "es",
"value": "ssh en OpenSSH anterior a 4.7 no maneja adecuadamente cuando una cookie no confiable no puede ser creada y utiliza una cookie X11 confiable en su lugar, lo cual permite a los atacantes violar pol\u00edticas establecidas y obtener privilegios provocando que un cliente X sea tratado como confiable."
}
],
"id": "CVE-2007-4752",
"lastModified": "2026-04-23T00:35:47.467",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": true,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2007-09-12T01:17:00.000",
"references": [
{
"source": "cve@mitre.org",
"url": "http://bugs.gentoo.org/show_bug.cgi?id=191321"
},
{
"source": "cve@mitre.org",
"url": "http://docs.info.apple.com/article.html?artnum=307562"
},
{
"source": "cve@mitre.org",
"url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01271085"
},
{
"source": "cve@mitre.org",
"url": "http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html"
},
{
"source": "cve@mitre.org",
"url": "http://lists.opensuse.org/opensuse-security-announce/2007-10/msg00008.html"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/27399"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/29420"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/30249"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/31575"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/32241"
},
{
"source": "cve@mitre.org",
"url": "http://security.gentoo.org/glsa/glsa-200711-02.xml"
},
{
"source": "cve@mitre.org",
"url": "http://securityreason.com/securityalert/3126"
},
{
"source": "cve@mitre.org",
"url": "http://support.avaya.com/elmodocs2/security/ASA-2008-399.htm"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2008/dsa-1576"
},
{
"source": "cve@mitre.org",
"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:236"
},
{
"source": "cve@mitre.org",
"url": "http://www.openssh.com/txt/release-4.7"
},
{
"source": "cve@mitre.org",
"url": "http://www.redhat.com/support/errata/RHSA-2008-0855.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/archive/1/479760/100/0/threaded"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/archive/1/483748/100/200/threaded"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/25628"
},
{
"source": "cve@mitre.org",
"url": "http://www.ubuntu.com/usn/usn-566-1"
},
{
"source": "cve@mitre.org",
"url": "http://www.vupen.com/english/advisories/2007/3156"
},
{
"source": "cve@mitre.org",
"url": "http://www.vupen.com/english/advisories/2008/0924/references"
},
{
"source": "cve@mitre.org",
"url": "http://www.vupen.com/english/advisories/2008/2821"
},
{
"source": "cve@mitre.org",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=280471"
},
{
"source": "cve@mitre.org",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/36637"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch"
],
"url": "https://issues.rpath.com/browse/RPL-1706"
},
{
"source": "cve@mitre.org",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10809"
},
{
"source": "cve@mitre.org",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5599"
},
{
"source": "cve@mitre.org",
"url": "https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00214.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://bugs.gentoo.org/show_bug.cgi?id=191321"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://docs.info.apple.com/article.html?artnum=307562"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01271085"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2007-10/msg00008.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/27399"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/29420"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/30249"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/31575"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/32241"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.gentoo.org/glsa/glsa-200711-02.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://securityreason.com/securityalert/3126"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://support.avaya.com/elmodocs2/security/ASA-2008-399.htm"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2008/dsa-1576"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:236"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openssh.com/txt/release-4.7"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.redhat.com/support/errata/RHSA-2008-0855.html"
},
{
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"url": "http://www.securityfocus.com/archive/1/479760/100/0/threaded"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/archive/1/483748/100/200/threaded"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/25628"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/usn-566-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2007/3156"
},
{
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"url": "http://www.vupen.com/english/advisories/2008/0924/references"
},
{
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=280471"
},
{
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"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/36637"
},
{
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"tags": [
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],
"url": "https://issues.rpath.com/browse/RPL-1706"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10809"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5599"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00214.html"
}
],
"sourceIdentifier": "cve@mitre.org",
"vendorComments": [
{
"comment": "This issue did not affect the OpenSSH packages as distributed with Red Hat Enterprise Linux 2.1 or 3, as they do not support Trusted X11 forwarding.\n\nFor Red Hat Enterprise Linux 4 and 5, this issue was addressed via: https://rhn.redhat.com/errata/RHSA-2008-0855.html\n",
"lastModified": "2008-08-28T00:00:00",
"organization": "Red Hat"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2025-11-21T13:18:56+00:00",
"cve": "CVE-2007-4752",
"id": "CVE-2007-4752",
"initial_release_date": "2007-09-04T00:00:00+00:00",
"product_status:fixed": "274",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "openssh falls back to the trusted x11 cookie if generation of an untrusted cookie fails",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2007/cve-2007-4752.json",
"version": "3"
}
}
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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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.