CVE-2018-5683
MEDIUM severity · CVSS 6 · Out-of-bounds read
6CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredHigh
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://www.openwall.com/lists/oss-security/2018/01/15/2 ↗
Additional information
- NVD record
- http://www.openwall.com/lists/oss-security/2018/01/15/2Patch
- http://www.securityfocus.com/bid/102518Advisory
- https://access.redhat.com/errata/RHSA-2018:0816Advisory
- https://access.redhat.com/errata/RHSA-2018:1104Advisory
- https://access.redhat.com/errata/RHSA-2018:2162Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlAdvisory
- https://usn.ubuntu.com/3575-1/Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-01/msg02597.htmlAdvisory