gsd-2015-1593
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
The stack randomization feature in the Linux kernel before 3.19.1 on 64-bit platforms uses incorrect data types for the results of bitwise left-shift operations, which makes it easier for attackers to bypass the ASLR protection mechanism by predicting the address of the top of the stack, related to the randomize_stack_top function in fs/binfmt_elf.c and the stack_maxrandom_size function in arch/x86/mm/mmap.c.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2015-1593",
"description": "The stack randomization feature in the Linux kernel before 3.19.1 on 64-bit platforms uses incorrect data types for the results of bitwise left-shift operations, which makes it easier for attackers to bypass the ASLR protection mechanism by predicting the address of the top of the stack, related to the randomize_stack_top function in fs/binfmt_elf.c and the stack_maxrandom_size function in arch/x86/mm/mmap.c.",
"id": "GSD-2015-1593",
"references": [
"https://www.suse.com/security/cve/CVE-2015-1593.html",
"https://www.debian.org/security/2015/dsa-3170",
"https://access.redhat.com/errata/RHSA-2019:3517",
"https://access.redhat.com/errata/RHSA-2015:1221",
"https://access.redhat.com/errata/RHSA-2015:1139",
"https://access.redhat.com/errata/RHSA-2015:1138",
"https://access.redhat.com/errata/RHSA-2015:1137",
"https://ubuntu.com/security/CVE-2015-1593",
"https://advisories.mageia.org/CVE-2015-1593.html",
"https://alas.aws.amazon.com/cve/html/CVE-2015-1593.html",
"https://linux.oracle.com/cve/CVE-2015-1593.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
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"modified": "2023-12-13T01:20:05.291201Z",
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}
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"url": "http://rhn.redhat.com/errata/RHSA-2015-1137.html"
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"name": "[linux-kernel] 20150107 Re: [PATH] Fix stack randomization on x86_64 bit",
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"url": "https://lkml.org/lkml/2015/1/7/811"
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},
"impact": {
"baseMetricV2": {
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
}
},
"lastModifiedDate": "2018-01-05T02:30Z",
"publishedDate": "2015-03-16T10:59Z"
}
}
}
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