CVE-2018-11806
HIGHCVSS 8.2/10EPSS 0.83%
Last modified
CVE-2018-11806 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. m_cat in slirp/mbuf.c in Qemu has a heap-based buffer overflow via incoming fragmented datagrams.. EPSS estimates a 0.83% chance of exploitation in the next 30 days.
Description
m_cat in slirp/mbuf.c in Qemu has a heap-based buffer overflow via incoming fragmented datagrams.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.12.1 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 18.10 |
| Redhat | Openstack | 8 |
| Redhat | Openstack | 9 |
| Redhat | Openstack | 10 |
| Redhat | Openstack | 12 |
| Redhat | Openstack | 13 |
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Eus | 7.5 |
| Redhat | Enterprise Linux Eus | 7.6 |
| Redhat | Enterprise Linux Eus | 7.7 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.6 |
| Redhat | Enterprise Linux Server Aus | 7.7 |
| Redhat | Enterprise Linux Server Tus | 7.6 |
| Redhat | Enterprise Linux Server Tus | 7.7 |
| Redhat | Enterprise Linux Workstation | 6.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Redhat | Virtualization | 4.0 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
References
- http://www.openwall.com/lists/oss-security/2018/06/07/1Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/104400Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2462Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2762Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2822Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2887Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2892Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1586245Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00010.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-06/msg01012.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/May/76Mailing List, Third Party Advisory
- https://usn.ubuntu.com/3826-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4454Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-18-567/Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2018/06/07/1Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/104400Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2462Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2762Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2822Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2887Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2892Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1586245Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00010.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-06/msg01012.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/May/76Mailing List, Third Party Advisory
- https://usn.ubuntu.com/3826-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4454Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-18-567/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-11806?
m_cat in slirp/mbuf.c in Qemu has a heap-based buffer overflow via incoming fragmented datagrams.
How severe is CVE-2018-11806?
CVE-2018-11806 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.
How do I fix CVE-2018-11806?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2018-11806?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST