ubuntu-cve-2013-4449
Vulnerability from osv_ubuntu
Published
2014-02-05 00:00
Modified
2026-04-22 07:37
Summary
Details
The rwm overlay in OpenLDAP 2.4.23, 2.4.36, and earlier does not properly count references, which allows remote attackers to cause a denial of service (slapd crash) by unbinding immediately after a search request, which triggers rwm_conn_destroy to free the session context while it is being used by rwm_op_search.
Severity
N/A (UNKNOWN)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "ldap-utils",
"binary_version": "2.4.31-1+nmu2ubuntu8.1"
},
{
"binary_name": "libldap-2.4-2",
"binary_version": "2.4.31-1+nmu2ubuntu8.1"
},
{
"binary_name": "slapd",
"binary_version": "2.4.31-1+nmu2ubuntu8.1"
},
{
"binary_name": "slapd-smbk5pwd",
"binary_version": "2.4.31-1+nmu2ubuntu8.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "openldap",
"purl": "pkg:deb/ubuntu/openldap@2.4.31-1+nmu2ubuntu8.1?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.31-1+nmu2ubuntu8.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.4.31-1+nmu2ubuntu3",
"2.4.31-1+nmu2ubuntu4",
"2.4.31-1+nmu2ubuntu5",
"2.4.31-1+nmu2ubuntu8"
]
}
],
"aliases": [],
"details": "The rwm overlay in OpenLDAP 2.4.23, 2.4.36, and earlier does not properly count references, which allows remote attackers to cause a denial of service (slapd crash) by unbinding immediately after a search request, which triggers rwm_conn_destroy to free the session context while it is being used by rwm_op_search.",
"id": "UBUNTU-CVE-2013-4449",
"modified": "2026-04-22T07:37:39Z",
"published": "2014-02-05T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2013-4449"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-2622-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-4449"
}
],
"related": [
"USN-2622-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "low",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2013-4449"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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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