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nvd-json-data-feeds/CVE-2009/CVE-2009-18xx/CVE-2009-1895.json
René Helmke 7791f18b51 bootstrap
2023-05-16 16:09:41 +02:00

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{
"id": "CVE-2009-1895",
"sourceIdentifier": "secalert@redhat.com",
"published": "2009-07-16T15:30:00.703",
"lastModified": "2023-02-13T02:20:14.140",
"vulnStatus": "Modified",
"descriptions": [
{
"lang": "en",
"value": "The personality subsystem in the Linux kernel before 2.6.31-rc3 has a PER_CLEAR_ON_SETID setting that does not clear the ADDR_COMPAT_LAYOUT and MMAP_PAGE_ZERO flags when executing a setuid or setgid program, which makes it easier for local users to leverage the details of memory usage to (1) conduct NULL pointer dereference attacks, (2) bypass the mmap_min_addr protection mechanism, or (3) defeat address space layout randomization (ASLR)."
},
{
"lang": "es",
"value": "El subsistema de personalidad en el Linux kernel anterior a v2.6.31-rc3 tiene establecido que PER_CLEAR_ON_SETID no borre las banderas ADDR_COMPAT_LAYOUT y MMAP_PAGE_ZERO cuando ejecuta un programa setuid o setgid, lo que facilita a usuarios locales aprovechar los detalles del uso actual de memoria para (1) llevar a cabo ataques de deferencia a punteros NULOS, (2) evitar el mecanismo de protecci\u00f3n mmap_min_addr o (3) rechazar aleatoriamente el espacio en la capa de direcciones (ASLR)."
}
],
"metrics": {
"cvssMetricV2": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"accessVector": "LOCAL",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2
},
"baseSeverity": "HIGH",
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-16"
}
]
}
],
"configurations": [
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"operator": "OR",
"negate": false,
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"references": [
{
"url": "http://blog.cr0.org/2009/06/bypassing-linux-null-pointer.html",
"source": "secalert@redhat.com",
"tags": [
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},
{
"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f9fabcb58a6d26d6efde842d1703ac7cfa9427b6",
"source": "secalert@redhat.com"
},
{
"url": "http://patchwork.kernel.org/patch/32598/",
"source": "secalert@redhat.com",
"tags": [
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]
},
{
"url": "http://wiki.rpath.com/Advisories:rPSA-2009-0111",
"source": "secalert@redhat.com",
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{
"url": "http://www.debian.org/security/2009/dsa-1844",
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"url": "http://www.debian.org/security/2009/dsa-1845",
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{
"url": "http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc3",
"source": "secalert@redhat.com",
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{
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:051",
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{
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{
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{
"url": "http://www.ubuntu.com/usn/usn-807-1",
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"url": "http://www.vupen.com/english/advisories/2009/1866",
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"source": "secalert@redhat.com",
"tags": [
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]
},
{
"url": "https://bugs.launchpad.net/bugs/cve/2009-1895",
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory"
]
},
{
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11768",
"source": "secalert@redhat.com",
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"source": "secalert@redhat.com",
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"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9453",
"source": "secalert@redhat.com",
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},
{
"url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00166.html",
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]
},
{
"url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00223.html",
"source": "secalert@redhat.com",
"tags": [
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]
}
]
}
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