fkie_cve-2011-1775
Vulnerability from fkie_nvd
Published
2011-05-26 18:55
Modified
2025-04-11 00:51
Severity ?
Summary
The CSecurityTLS::processMsg function in common/rfb/CSecurityTLS.cxx in the vncviewer component in TigerVNC 1.1beta1 does not properly verify the server's X.509 certificate, which allows man-in-the-middle attackers to spoof a TLS VNC server via an arbitrary certificate.
References
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:tigervnc:tigervnc:1.1:beta1:*:*:*:*:*:*",
"matchCriteriaId": "80605C78-6890-4CA3-BB83-0BAF1B103A09",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The CSecurityTLS::processMsg function in common/rfb/CSecurityTLS.cxx in the vncviewer component in TigerVNC 1.1beta1 does not properly verify the server\u0027s X.509 certificate, which allows man-in-the-middle attackers to spoof a TLS VNC server via an arbitrary certificate."
},
{
"lang": "es",
"value": "La funci\u00f3n CSecurityTLS::processMsg en common/rtb/CSecurityTLS.cxx en el componente vncviewer en tigervnc v1.1beta1 no verifica de forma adecuada el certificado X.509 del servidor, lo que permite a ataques de Hombre en medio (man-in-the-middle) para falsificar un servidor TSL VNC mediante un certificado de su elecci\u00f3n."
}
],
"id": "CVE-2011-1775",
"lastModified": "2025-04-11T00:51:21.963",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2011-05-26T18:55:02.287",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060567.html"
},
{
"source": "secalert@redhat.com",
"url": "http://openwall.com/lists/oss-security/2011/05/06/2"
},
{
"source": "secalert@redhat.com",
"url": "http://openwall.com/lists/oss-security/2011/05/09/7"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/44939"
},
{
"source": "secalert@redhat.com",
"url": "http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01342.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01345.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01347.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.redhat.com/support/errata/RHSA-2011-0871.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/47738"
},
{
"source": "secalert@redhat.com",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=702470"
},
{
"source": "secalert@redhat.com",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=702672"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060567.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://openwall.com/lists/oss-security/2011/05/06/2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://openwall.com/lists/oss-security/2011/05/09/7"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/44939"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01342.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01345.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01347.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.redhat.com/support/errata/RHSA-2011-0871.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/47738"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=702470"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=702672"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Patched: This vulnerability was successfully patched by the user reporting the sighting.
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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