CVE-2018-11237: Buffer Overflow
First published: Fri May 18 2018(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/glibc | <2.28 | 2.28 |
| 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 Communications Session Border Controller | =8.1.0 | |
| Oracle Communications Session Border Controller | =8.2.0 | |
| Oracle Enterprise Communications Broker | =3.0.0 | |
| Oracle Enterprise Communications Broker | =3.1.0 | |
| Netapp Data Ontap Edge | ||
| Netapp Element Software Management | ||
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =19.10 | |
| debian/glibc | 2.31-13+deb11u11 2.31-13+deb11u10 2.36-9+deb12u9 2.36-9+deb12u7 2.40-4 |
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Reference Links
- https://sourceware.org/bugzilla/show_bug.cgi?id=23196
- http://www.securityfocus.com/bid/104256
- https://www.exploit-db.com/exploits/44750/
- https://access.redhat.com/errata/RHSA-2018:3092
- https://security.netapp.com/advisory/ntap-20190329-0001/
- https://security.netapp.com/advisory/ntap-20190401-0001/
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- https://access.redhat.com/errata/RHBA-2019:0327
- https://usn.ubuntu.com/4416-1/
- https://launchpad.net/bugs/cve/CVE-2018-11237
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1579809
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1581275
- https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e
- https://bugzilla.redhat.com/show_bug.cgi?id=1581274
- https://security-tracker.debian.org/tracker/CVE-2018-11237
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11237
- https://nvd.nist.gov/vuln/detail/CVE-2018-11237
- https://ubuntu.com/security/CVE-2018-11237
Frequently Asked Questions
What is CVE-2018-11237?
CVE-2018-11237 is a vulnerability in the GNU C Library (glibc) that allows for a buffer overflow, potentially leading to remote code execution.
What is the severity of CVE-2018-11237?
CVE-2018-11237 has a severity score of 7.8, which is considered high.
Which software versions are affected by CVE-2018-11237?
The GNU C Library (glibc) versions 2.27 and earlier are affected by CVE-2018-11237.
How can I fix CVE-2018-11237?
To fix CVE-2018-11237, you should update glibc to version 2.28 or later.
Where can I find more information about CVE-2018-11237?
You can find more information about CVE-2018-11237 on the official Red Hat Bugzilla page (https://sourceware.org/bugzilla/show_bug.cgi?id=23196) and the SecurityFocus page (http://www.securityfocus.com/bid/104256).
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