CVE-2011-4079 (GCVE-0-2011-4079)
Vulnerability from cvelistv5
Published
2011-10-27 20:00
Modified
2024-08-06 23:53
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Off-by-one error in the UTF8StringNormalize function in OpenLDAP 2.4.26 and earlier allows remote attackers to cause a denial of service (slapd crash) via a zero-length string that triggers a heap-based buffer overflow, as demonstrated using an empty postalAddressAttribute value in an LDIF entry.
References
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{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-06T23:53:32.849Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "GLSA-201406-36",
"tags": [
"vendor-advisory",
"x_refsource_GENTOO",
"x_transferred"
],
"url": "http://security.gentoo.org/glsa/glsa-201406-36.xml"
},
{
"name": "[oss-security] 20111026 CVE Request: openldap2 UTF8StringNormalize() can cause a (one-byte) buffer overflow",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2011/10/26/5"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://www.openldap.org/its/index.cgi/Software%20Bugs?id=7059%3Bselectid=7059"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=749324"
},
{
"name": "USN-1266-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU",
"x_transferred"
],
"url": "http://www.ubuntu.com/usn/USN-1266-1"
},
{
"name": "46599",
"tags": [
"third-party-advisory",
"x_refsource_SECUNIA",
"x_transferred"
],
"url": "http://secunia.com/advisories/46599"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commitdiff%3Bh=507238713b71208ec4f262f312cb495a302df9e9"
},
{
"name": "50384",
"tags": [
"vdb-entry",
"x_refsource_BID",
"x_transferred"
],
"url": "http://www.securityfocus.com/bid/50384"
},
{
"name": "openldap-utf8stringnormalize-dos(70991)",
"tags": [
"vdb-entry",
"x_refsource_XF",
"x_transferred"
],
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/70991"
},
{
"name": "[oss-security] 20111026 Re: CVE Request: openldap2 UTF8StringNormalize() can cause a (one-byte) buffer overflow",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2011/10/26/9"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"datePublic": "2011-10-26T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "Off-by-one error in the UTF8StringNormalize function in OpenLDAP 2.4.26 and earlier allows remote attackers to cause a denial of service (slapd crash) via a zero-length string that triggers a heap-based buffer overflow, as demonstrated using an empty postalAddressAttribute value in an LDIF entry."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2017-08-28T12:57:01.000Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"name": "GLSA-201406-36",
"tags": [
"vendor-advisory",
"x_refsource_GENTOO"
],
"url": "http://security.gentoo.org/glsa/glsa-201406-36.xml"
},
{
"name": "[oss-security] 20111026 CVE Request: openldap2 UTF8StringNormalize() can cause a (one-byte) buffer overflow",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2011/10/26/5"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://www.openldap.org/its/index.cgi/Software%20Bugs?id=7059%3Bselectid=7059"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=749324"
},
{
"name": "USN-1266-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU"
],
"url": "http://www.ubuntu.com/usn/USN-1266-1"
},
{
"name": "46599",
"tags": [
"third-party-advisory",
"x_refsource_SECUNIA"
],
"url": "http://secunia.com/advisories/46599"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commitdiff%3Bh=507238713b71208ec4f262f312cb495a302df9e9"
},
{
"name": "50384",
"tags": [
"vdb-entry",
"x_refsource_BID"
],
"url": "http://www.securityfocus.com/bid/50384"
},
{
"name": "openldap-utf8stringnormalize-dos(70991)",
"tags": [
"vdb-entry",
"x_refsource_XF"
],
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/70991"
},
{
"name": "[oss-security] 20111026 Re: CVE Request: openldap2 UTF8StringNormalize() can cause a (one-byte) buffer overflow",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2011/10/26/9"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2011-4079",
"datePublished": "2011-10-27T20:00:00.000Z",
"dateReserved": "2011-10-18T00:00:00.000Z",
"dateUpdated": "2024-08-06T23:53:32.849Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- 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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