CVE-2017-7482
HighIn the Linux kernel before version 4.12, Kerberos 5 tickets decoded when using the RXRPC keys incorrectly assumes the size of a field. This could lead to the size-remaining variable wrapping and the data pointer going over the end of the buffer. This could possibly lead to memory corruption and possible privilege escalation.
CVSS 3.1 score
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-190CVE-2017-7482 is a Integer Overflow vulnerability
What is Integer Overflow?
The product performs a calculation that can produce an integer overflow, leading to unexpected values. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2017-7482 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Securityfocushttp://www.securityfocus.com/bid/99299Third Party Advisory VDB Entry
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Securitytrackerhttp://www.securitytracker.com/id/1038787Third Party Advisory VDB Entry
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Third Party Advisory
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Debian Securityhttps://www.debian.org/security/2017/dsa-3927Third Party Advisory
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Debian Securityhttps://www.debian.org/security/2017/dsa-3945Third Party Advisory
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PatchKernel patch commithttp://seclists.org/oss-sec/2017/q2/602
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PatchKernel patch commithttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7482
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PatchKernel patch commithttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5f2f97656ada8d811d3c1bef503ced266fcd53a0
Frequently asked questions
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What is CVE-2017-7482?
CVE-2017-7482 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Integer Overflow flaw (CWE-190) . CVE-2017-7482 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2017-7482?
CVE-2017-7482 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2017-7482?
No patch is currently available for CVE-2017-7482. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2017-7482 actively exploited?
No — CVE-2017-7482 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Integer Overflow (CWE-190)?
The product performs a calculation that can produce an integer overflow, leading to unexpected values. View CWE-190 on MITRE CWE →