Vulnerability Description
An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2.27 and earlier may write data beyond the target buffer, leading to a buffer overflow in __mempcpy_avx512_no_vzeroupper.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Glibc | <= 2.27 |
| Redhat | Virtualization Host | 4.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Oracle | Communications Session Border Controller | 8.0.0 |
| Oracle | Enterprise Communications Broker | 3.0.0 |
| Netapp | Data Ontap Edge | - |
| Netapp | Element Software Management | - |
| Canonical | Ubuntu Linux | 16.04 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/104256Broken Link
- https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3092Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190329-0001/Broken Link
- https://security.netapp.com/advisory/ntap-20190401-0001/Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=23196Issue TrackingPatchThird Party Advisory
- https://usn.ubuntu.com/4416-1/Third Party Advisory
- https://www.exploit-db.com/exploits/44750/Broken LinkThird Party AdvisoryVDB Entry
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.htmlPatchThird Party Advisory
- http://www.securityfocus.com/bid/104256Broken Link
- https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3092Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190329-0001/Broken Link
- https://security.netapp.com/advisory/ntap-20190401-0001/Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=23196Issue TrackingPatchThird Party Advisory
FAQ
What is CVE-2018-11237?
CVE-2018-11237 is a vulnerability with a CVSS score of 7.8 (HIGH). An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2.27 and earlier may write data beyond the target buffer, leading to a buffer overflow in __mempcp...
How severe is CVE-2018-11237?
CVE-2018-11237 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-2018-11237?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Glibc, Redhat Virtualization Host, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.