FKIE_CVE-2006-0056
Vulnerability from fkie_nvd - Published: 2006-02-13 11:06 - Updated: 2026-06-16 22:19
Severity
Summary
Double free vulnerability in the authentication and authentication token alteration code in PAM-MySQL 0.6.x before 0.6.2 and 0.7.x before 0.7pre3 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted passwords, which lead to a double free of a pointer that was created by the pam_get_item function. NOTE: this issue only occurs in certain configurations in which there are multiple PAM modules, PAM-MySQL is not evaluated first, and there are no requisite modules before PAM-MySQL.
References
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cret@cert.org"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:pam-mysql:pam-mysql:0.1:*:*:*:*:*:*:*",
"matchCriteriaId": "89B29AFD-6EA6-4AEE-83F7-94AE927C5AEA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:pam-mysql:pam-mysql:0.2:*:*:*:*:*:*:*",
"matchCriteriaId": "E3BFC22D-75CF-4104-87D1-E71CB054905E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:pam-mysql:pam-mysql:0.3:*:*:*:*:*:*:*",
"matchCriteriaId": "E0B82080-5499-46A8-8F3A-EB9BAB36C5B7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:pam-mysql:pam-mysql:0.4:*:*:*:*:*:*:*",
"matchCriteriaId": "C87D5EFC-27F3-4F37-87CA-AC120C9A9D89",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:pam-mysql:pam-mysql:0.4.7:*:*:*:*:*:*:*",
"matchCriteriaId": "2D23FBC9-0628-4CF2-AB25-0FC59FE539DD",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:pam-mysql:pam-mysql:0.5:*:*:*:*:*:*:*",
"matchCriteriaId": "425E4F3B-4B28-4283-ACD5-494BEE2A1866",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:pam-mysql:pam-mysql:0.6:*:*:*:*:*:*:*",
"matchCriteriaId": "0530FA7E-BD7A-4D5F-A3F5-3A7BD6C37030",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:pam-mysql:pam-mysql:0.7_pre1:*:*:*:*:*:*:*",
"matchCriteriaId": "52E62A7D-FD21-484D-89D2-DDC398A18CEA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:pam-mysql:pam-mysql:0.7_pre2:*:*:*:*:*:*:*",
"matchCriteriaId": "4CE9F00A-6938-487C-AC29-61AF37A25B12",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Double free vulnerability in the authentication and authentication token alteration code in PAM-MySQL 0.6.x before 0.6.2 and 0.7.x before 0.7pre3 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted passwords, which lead to a double free of a pointer that was created by the pam_get_item function. NOTE: this issue only occurs in certain configurations in which there are multiple PAM modules, PAM-MySQL is not evaluated first, and there are no requisite modules before PAM-MySQL."
}
],
"id": "CVE-2006-0056",
"lastModified": "2026-06-16T22:19:48.560",
"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": "2006-02-13T11:06:00.000",
"references": [
{
"source": "cret@cert.org",
"url": "http://jvn.jp/cert/JVNVU%23693909/index.html"
},
{
"source": "cret@cert.org",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/18598"
},
{
"source": "cret@cert.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/20690"
},
{
"source": "cret@cert.org",
"tags": [
"Patch"
],
"url": "http://securitytracker.com/id?1015603"
},
{
"source": "cret@cert.org",
"url": "http://sourceforge.net/forum/forum.php?forum_id=499394"
},
{
"source": "cret@cert.org",
"url": "http://www.gentoo.org/security/en/glsa/glsa-200606-18.xml"
},
{
"source": "cret@cert.org",
"tags": [
"Patch",
"Third Party Advisory",
"US Government Resource"
],
"url": "http://www.kb.cert.org/vuls/id/693909"
},
{
"source": "cret@cert.org",
"url": "http://www.osvdb.org/22994"
},
{
"source": "cret@cert.org",
"url": "http://www.osvdb.org/22995"
},
{
"source": "cret@cert.org",
"tags": [
"Patch"
],
"url": "http://www.securityfocus.com/bid/16564"
},
{
"source": "cret@cert.org",
"url": "http://www.vupen.com/english/advisories/2006/0490"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://jvn.jp/cert/JVNVU%23693909/index.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/18598"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/20690"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "http://securitytracker.com/id?1015603"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://sourceforge.net/forum/forum.php?forum_id=499394"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.gentoo.org/security/en/glsa/glsa-200606-18.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory",
"US Government Resource"
],
"url": "http://www.kb.cert.org/vuls/id/693909"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.osvdb.org/22994"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.osvdb.org/22995"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "http://www.securityfocus.com/bid/16564"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2006/0490"
}
],
"sourceIdentifier": "cret@cert.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
}
],
"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.
- 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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