FKIE_CVE-2011-1956
Vulnerability from fkie_nvd - Published: 2011-06-06 19:55 - Updated: 2026-04-29 01:13
Severity ?
Summary
The bytes_repr_len function in Wireshark 1.4.5 uses an incorrect pointer argument, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via arbitrary TCP traffic.
References
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:wireshark:wireshark:1.4.5:*:*:*:*:*:*:*",
"matchCriteriaId": "7E96B426-8563-4BC2-909A-72457D7159FF",
"vulnerable": true
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"negate": false,
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The bytes_repr_len function in Wireshark 1.4.5 uses an incorrect pointer argument, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via arbitrary TCP traffic."
},
{
"lang": "es",
"value": "Funci\u00f3n bytes_repr_len en Wireshark v1.4.5 utiliza un argumento de puntero incorrecto, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio ( desreferenciar punteros nulos y bloqueo de la aplicaci\u00f3n ) a trav\u00e9s tr\u00e1fico TCP arbitrario."
}
],
"evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html\r\n\u0027CWE-476: NULL Pointer Dereference\u0027",
"id": "CVE-2011-1956",
"lastModified": "2026-04-29T01:13:23.040",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
]
},
"published": "2011-06-06T19:55:02.660",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Exploit"
],
"url": "http://openwall.com/lists/oss-security/2011/05/31/19"
},
{
"source": "secalert@redhat.com",
"tags": [
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"url": "http://openwall.com/lists/oss-security/2011/06/01/9"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/44449"
},
{
"source": "secalert@redhat.com",
"tags": [
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"url": "http://www.wireshark.org/docs/relnotes/wireshark-1.4.6.html"
},
{
"source": "secalert@redhat.com",
"tags": [
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"url": "http://www.wireshark.org/news/20110418.html"
},
{
"source": "secalert@redhat.com",
"tags": [
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],
"url": "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5837"
},
{
"source": "secalert@redhat.com",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67789"
},
{
"source": "secalert@redhat.com",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14943"
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{
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{
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"tags": [
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"url": "http://www.wireshark.org/docs/relnotes/wireshark-1.4.6.html"
},
{
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"tags": [
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"url": "http://www.wireshark.org/news/20110418.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"url": "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5837"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67789"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14943"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.
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- 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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