CVE-2017-7980
HIGH severity · CVSS 7.8 · Memory corruption
7.8CVSS HIGH
Summary
Heap-based buffer overflow in Cirrus CLGD 54xx VGA Emulator in Quick Emulator (Qemu) 2.8 and earlier allows local guest OS users to execute arbitrary code or cause a denial of service (crash) via vectors related to a VNC client updating its display after a VGA operation.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://www.openwall.com/lists/oss-security/2017/04/21/1 ↗
Additional information
- NVD record
- http://www.openwall.com/lists/oss-security/2017/04/21/1Patch
- http://ubuntu.com/usn/usn-3289-1Advisory
- http://www.securityfocus.com/bid/102129Advisory
- http://www.securityfocus.com/bid/97955Advisory
- https://access.redhat.com/errata/RHSA-2017:0980Advisory
- https://access.redhat.com/errata/RHSA-2017:0981Advisory
- https://access.redhat.com/errata/RHSA-2017:0982Advisory
- https://access.redhat.com/errata/RHSA-2017:0983Advisory