gsd-2019-11190
Vulnerability from gsd
Modified
2023-12-13 01:24
Details
The Linux kernel before 4.8 allows local users to bypass ASLR on setuid programs (such as /bin/su) because install_exec_creds() is called too late in load_elf_binary() in fs/binfmt_elf.c, and thus the ptrace_may_access() check has a race condition when reading /proc/pid/stat.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2019-11190", "description": "The Linux kernel before 4.8 allows local users to bypass ASLR on setuid programs (such as /bin/su) because install_exec_creds() is called too late in load_elf_binary() in fs/binfmt_elf.c, and thus the ptrace_may_access() check has a race condition when reading /proc/pid/stat.", "id": "GSD-2019-11190", "references": [ "https://www.suse.com/security/cve/CVE-2019-11190.html", "https://access.redhat.com/errata/RHSA-2020:1070", "https://access.redhat.com/errata/RHSA-2020:1016", "https://ubuntu.com/security/CVE-2019-11190", "https://linux.oracle.com/cve/CVE-2019-11190.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2019-11190" ], "details": "The Linux kernel before 4.8 allows local users to bypass ASLR on setuid programs (such as /bin/su) because install_exec_creds() is called too late in load_elf_binary() in fs/binfmt_elf.c, and thus the ptrace_may_access() check has a race condition when reading /proc/pid/stat.", "id": "GSD-2019-11190", "modified": "2023-12-13T01:24:00.264941Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-11190", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "The Linux kernel before 4.8 allows local users to bypass ASLR on setuid programs (such as /bin/su) because install_exec_creds() is called too late in load_elf_binary() in fs/binfmt_elf.c, and thus the ptrace_may_access() check has a race condition when reading /proc/pid/stat." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "https://www.openwall.com/lists/oss-security/2019/04/03/4", "refsource": "MISC", "url": "https://www.openwall.com/lists/oss-security/2019/04/03/4" }, { "name": "https://www.openwall.com/lists/oss-security/2019/04/03/4/1", "refsource": "MISC", "url": "https://www.openwall.com/lists/oss-security/2019/04/03/4/1" }, { "name": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=a5b5352558f6808db0589644ea5401b3e3148a0d", "refsource": "MISC", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=a5b5352558f6808db0589644ea5401b3e3148a0d" }, { "name": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=e1676b55d874a43646e8b2c46d87f2f3e45516ff", "refsource": "MISC", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=e1676b55d874a43646e8b2c46d87f2f3e45516ff" }, { "name": "107890", "refsource": "BID", "url": "http://www.securityfocus.com/bid/107890" }, { "name": "[oss-security] 20190415 Re: Linux kernel \u003c 4.8 local generic ASLR - CVE-ID", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2019/04/15/1" }, { "name": "[debian-lts-announce] 20190528 [SECURITY] [DLA 1799-1] linux security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2019/05/msg00041.html" }, { "name": "[debian-lts-announce] 20190528 [SECURITY] [DLA 1799-2] linux security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2019/05/msg00042.html" }, { "name": "USN-4008-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4008-1/" }, { "name": "USN-4008-2", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4008-2/" }, { "name": "USN-4008-3", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4008-3/" }, { "name": "openSUSE-SU-2019:1570", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html" } ] } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "4.8", "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-11190" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "The Linux kernel before 4.8 allows local users to bypass ASLR on setuid programs (such as /bin/su) because install_exec_creds() is called too late in load_elf_binary() in fs/binfmt_elf.c, and thus the ptrace_may_access() check has a race condition when reading /proc/pid/stat." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-362" } ] } ] }, "references": { "reference_data": [ { "name": "https://www.openwall.com/lists/oss-security/2019/04/03/4/1", "refsource": "MISC", "tags": [ "Mailing List", "Exploit", "Third Party Advisory" ], "url": "https://www.openwall.com/lists/oss-security/2019/04/03/4/1" }, { "name": "https://www.openwall.com/lists/oss-security/2019/04/03/4", "refsource": "MISC", "tags": [ "Mailing List", "Exploit", "Third Party Advisory" ], "url": "https://www.openwall.com/lists/oss-security/2019/04/03/4" }, { "name": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=e1676b55d874a43646e8b2c46d87f2f3e45516ff", "refsource": "MISC", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=e1676b55d874a43646e8b2c46d87f2f3e45516ff" }, { "name": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=a5b5352558f6808db0589644ea5401b3e3148a0d", "refsource": "MISC", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=a5b5352558f6808db0589644ea5401b3e3148a0d" }, { "name": "107890", "refsource": "BID", "tags": [], "url": "http://www.securityfocus.com/bid/107890" }, { "name": "[oss-security] 20190415 Re: Linux kernel \u003c 4.8 local generic ASLR - CVE-ID", "refsource": "MLIST", "tags": [], "url": "http://www.openwall.com/lists/oss-security/2019/04/15/1" }, { "name": "[debian-lts-announce] 20190528 [SECURITY] [DLA 1799-1] linux security update", "refsource": "MLIST", "tags": [], "url": "https://lists.debian.org/debian-lts-announce/2019/05/msg00041.html" }, { "name": "[debian-lts-announce] 20190528 [SECURITY] [DLA 1799-2] linux security update", "refsource": "MLIST", "tags": [], "url": "https://lists.debian.org/debian-lts-announce/2019/05/msg00042.html" }, { "name": "USN-4008-1", "refsource": "UBUNTU", "tags": [], "url": "https://usn.ubuntu.com/4008-1/" }, { "name": "USN-4008-2", "refsource": "UBUNTU", "tags": [], "url": "https://usn.ubuntu.com/4008-2/" }, { "name": "USN-4008-3", "refsource": "UBUNTU", "tags": [], "url": "https://usn.ubuntu.com/4008-3/" }, { "name": "openSUSE-SU-2019:1570", "refsource": "SUSE", "tags": [], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.7, "confidentialityImpact": "COMPLETE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:N/A:N", "version": "2.0" }, "exploitabilityScore": 3.4, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.0" }, "exploitabilityScore": 1.0, "impactScore": 3.6 } }, "lastModifiedDate": "2019-06-07T07:29Z", "publishedDate": "2019-04-12T00:29Z" } } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- 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.