gsd-2011-4079
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
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.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2011-4079",
"description": "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.",
"id": "GSD-2011-4079",
"references": [
"https://www.suse.com/security/cve/CVE-2011-4079.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2011-4079"
],
"details": "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.",
"id": "GSD-2011-4079",
"modified": "2023-12-13T01:19:05.171900Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2011-4079",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_affected": "=",
"version_value": "n/a"
}
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"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"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."
}
]
},
"problemtype": {
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{
"description": [
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"lang": "eng",
"value": "n/a"
}
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}
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},
"references": {
"reference_data": [
{
"name": "http://security.gentoo.org/glsa/glsa-201406-36.xml",
"refsource": "MISC",
"url": "http://security.gentoo.org/glsa/glsa-201406-36.xml"
},
{
"name": "http://secunia.com/advisories/46599",
"refsource": "MISC",
"url": "http://secunia.com/advisories/46599"
},
{
"name": "http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commitdiff%3Bh=507238713b71208ec4f262f312cb495a302df9e9",
"refsource": "MISC",
"url": "http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commitdiff%3Bh=507238713b71208ec4f262f312cb495a302df9e9"
},
{
"name": "http://www.openldap.org/its/index.cgi/Software%20Bugs?id=7059%3Bselectid=7059",
"refsource": "MISC",
"url": "http://www.openldap.org/its/index.cgi/Software%20Bugs?id=7059%3Bselectid=7059"
},
{
"name": "http://www.openwall.com/lists/oss-security/2011/10/26/5",
"refsource": "MISC",
"url": "http://www.openwall.com/lists/oss-security/2011/10/26/5"
},
{
"name": "http://www.openwall.com/lists/oss-security/2011/10/26/9",
"refsource": "MISC",
"url": "http://www.openwall.com/lists/oss-security/2011/10/26/9"
},
{
"name": "http://www.securityfocus.com/bid/50384",
"refsource": "MISC",
"url": "http://www.securityfocus.com/bid/50384"
},
{
"name": "http://www.ubuntu.com/usn/USN-1266-1",
"refsource": "MISC",
"url": "http://www.ubuntu.com/usn/USN-1266-1"
},
{
"name": "https://exchange.xforce.ibmcloud.com/vulnerabilities/70991",
"refsource": "MISC",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/70991"
},
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=749324",
"refsource": "MISC",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=749324"
}
]
}
},
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],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2011-4079"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"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."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-189"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=749324",
"refsource": "MISC",
"tags": [
"Patch"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=749324"
},
{
"name": "[oss-security] 20111026 CVE Request: openldap2 UTF8StringNormalize() can cause a (one-byte) buffer overflow",
"refsource": "MLIST",
"tags": [],
"url": "http://www.openwall.com/lists/oss-security/2011/10/26/5"
},
{
"name": "[oss-security] 20111026 Re: CVE Request: openldap2 UTF8StringNormalize() can cause a (one-byte) buffer overflow",
"refsource": "MLIST",
"tags": [],
"url": "http://www.openwall.com/lists/oss-security/2011/10/26/9"
},
{
"name": "46599",
"refsource": "SECUNIA",
"tags": [
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],
"url": "http://secunia.com/advisories/46599"
},
{
"name": "50384",
"refsource": "BID",
"tags": [],
"url": "http://www.securityfocus.com/bid/50384"
},
{
"name": "USN-1266-1",
"refsource": "UBUNTU",
"tags": [],
"url": "http://www.ubuntu.com/usn/USN-1266-1"
},
{
"name": "GLSA-201406-36",
"refsource": "GENTOO",
"tags": [],
"url": "http://security.gentoo.org/glsa/glsa-201406-36.xml"
},
{
"name": "openldap-utf8stringnormalize-dos(70991)",
"refsource": "XF",
"tags": [],
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/70991"
},
{
"name": "http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commitdiff%3Bh=507238713b71208ec4f262f312cb495a302df9e9",
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"tags": [],
"url": "http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commitdiff%3Bh=507238713b71208ec4f262f312cb495a302df9e9"
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"tags": [],
"url": "http://www.openldap.org/its/index.cgi/Software%20Bugs?id=7059%3Bselectid=7059"
}
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},
"impact": {
"baseMetricV2": {
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
}
},
"lastModifiedDate": "2023-02-13T04:32Z",
"publishedDate": "2011-10-27T20:55Z"
}
}
}
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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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