Vulnerability Description
In 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 3.2.90 |
| Debian | Debian Linux | 8.0 |
| Redhat | Enterprise Mrg | 2.0 |
Related Weaknesses (CWE)
References
- http://seclists.org/oss-sec/2017/q2/602Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/99299Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038787Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:0641Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7482Issue TrackingPatchThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5fPatchVendor Advisory
- https://www.debian.org/security/2017/dsa-3927Third Party Advisory
- https://www.debian.org/security/2017/dsa-3945Third Party Advisory
- http://seclists.org/oss-sec/2017/q2/602Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/99299Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038787Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:0641Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7482Issue TrackingPatchThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5fPatchVendor Advisory
- https://www.debian.org/security/2017/dsa-3927Third Party Advisory
FAQ
What is CVE-2017-7482?
CVE-2017-7482 is a vulnerability with a CVSS score of 7.8 (HIGH). In 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 d...
How severe is CVE-2017-7482?
CVE-2017-7482 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-7482?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Redhat Enterprise Mrg.