CVE-2018-17962: Buffer Overflow
First published: Wed Sep 26 2018(Updated: )
An integer overflow issue was found in the AMD PC-Net II NIC emulation in QEMU. It could occur while receiving packets, if the size value was greater than INT_MAX. Such overflow would lead to stack buffer overflow issue. A user inside guest could use this flaw to crash the QEMU process resulting in DoS.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/qemu-kvm | <2:0.12.1.2-2.506.el6_10.5 | 2:0.12.1.2-2.506.el6_10.5 |
| debian/qemu | <=1:2.8+dfsg-6<=1:2.12+dfsg-3 | 1:2.8+dfsg-6+deb9u5 1:3.1+dfsg-1 |
| QEMU qemu | =2.1.0 | |
| QEMU qemu | =2.8.0 | |
| QEMU qemu | =2.12.0 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =18.10 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| Oracle Linux | =7-0 | |
| Redhat Linux | =6.0 | |
| SUSE Linux Enterprise Server | =11-sp3 | |
| SUSE Linux Enterprise Server | =11-sp4 | |
| SUSE Linux Enterprise Server | =12 | |
| SUSE Linux Enterprise Server | =15 | |
| debian/qemu | 1:5.2+dfsg-11+deb11u3 1:5.2+dfsg-11+deb11u2 1:7.2+dfsg-7+deb12u7 1:9.0.2+ds-2 1:9.1.0+ds-3 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2018-17962 https://nvd.nist.gov/vuln/detail/CVE-2018-17962
- https://bugzilla.redhat.com/show_bug.cgi?id=1636773
- https://access.redhat.com/errata/RHSA-2019:2892
- https://access.redhat.com/security/cve/cve-2018-17962
- https://security-tracker.debian.org/tracker/CVE-2018-17962
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17962
- https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03268.html
- https://security-tracker.debian.org/tracker/CVE-2018-10839
- https://security-tracker.debian.org/tracker/CVE-2018-17963
- https://security-tracker.debian.org/tracker/CVE-2018-3639
- https://security-tracker.debian.org/tracker/CVE-2018-11806
- https://security-tracker.debian.org/tracker/CVE-2018-12617
- https://security-tracker.debian.org/tracker/CVE-2018-15746
- https://security-tracker.debian.org/tracker/CVE-2018-16867
- https://security-tracker.debian.org/tracker/CVE-2018-17958
- https://security-tracker.debian.org/tracker/CVE-2018-18438
- https://security-tracker.debian.org/tracker/CVE-2018-18849
- https://security-tracker.debian.org/tracker/CVE-2018-18954
- https://security-tracker.debian.org/tracker/CVE-2018-19364
- https://security-tracker.debian.org/tracker/CVE-2018-19489
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=911468
- http://www.openwall.com/lists/oss-security/2018/10/08/1
- https://www.debian.org/security/2018/dsa-4338
- https://usn.ubuntu.com/3826-1/
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
- https://launchpad.net/bugs/cve/CVE-2018-17962
- https://www.openwall.com/lists/oss-security/2018/10/08/1
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1636775
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1636776
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1613561
- https://linux.oracle.com/cve/CVE-2018-17962.html
- https://www.suse.com/security/cve/CVE-2018-17962/
- https://git.qemu.org/?p=qemu.git;a=commit;h=b1d80d12c5f7ff081bb80ab4f4241d4248691192
- https://nvd.nist.gov/vuln/detail/CVE-2018-17962
- https://ubuntu.com/security/CVE-2018-17962
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2018-17962.
What is the severity of CVE-2018-17962?
The severity of CVE-2018-17962 is high with a CVSS score of 7.5.
Which software is affected by CVE-2018-17962?
The software affected by CVE-2018-17962 includes QEMU versions 2.0.0 to 2.12.0, qemu-kvm version 2:0.12.1.2-2.506.el6_10.5, and various versions of QEMU in Debian and Ubuntu distributions.
How can I fix the vulnerability in QEMU?
To fix the vulnerability in QEMU, you should update to version 2.12.1 or later.
Are there any references available for CVE-2018-17962?
Yes, you can find references for CVE-2018-17962 at the following links: [Link 1](https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03268.html), [Link 2](https://www.openwall.com/lists/oss-security/2018/10/08/1), [Link 3](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1636775).
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