Vulnerability Description
The vga_draw_text function in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) by leveraging improper memory address validation.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.11.1 |
| Debian | Debian Linux | 8.0 |
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Server Aus | 7.6 |
| Redhat | Enterprise Linux Server Eus | 7.6 |
| Redhat | Enterprise Linux Server Tus | 7.6 |
| Redhat | Enterprise Linux Workstation | 6.0 |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2018/01/15/2Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/102518Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:0816Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1104Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2162Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-01/msg02597.htmlExploitMailing ListThird Party Advisory
- https://usn.ubuntu.com/3575-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4213Third Party Advisory
- http://www.openwall.com/lists/oss-security/2018/01/15/2Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/102518Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:0816Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1104Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2162Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2018-5683?
CVE-2018-5683 is a vulnerability with a CVSS score of 6.0 (MEDIUM). The vga_draw_text function in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) by leveraging improper memory address validation.
How severe is CVE-2018-5683?
CVE-2018-5683 has been rated MEDIUM with a CVSS base score of 6.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-5683?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus.