Home/CVE/Heap-based buffer overflow in Cirrus CLGD 54xx VGA Emulator in Quick Emulator (Qemu) 2.8 and earlier allows local guest
CVE

CVE-2017-7980

Heap-based buffer overflow in Cirrus CLGD 54xx VGA Emulator in Quick Emulator (Qemu) 2.8 and earlier allows local guest

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.

HIGH · CVSS 7.8 EPSS 0.00138
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

11
qemu<= 2.8
canonical ubuntu linuxall versions
debian linuxall versions
redhat openstackall versions
redhat virtualizationall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPowershell Detect Virtualization Environment
productmediumPotentially Suspicious Usage Of Qemu
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD25 Jul 2017 · 02:29 PM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

20
suse-csafSUSE-SU-2017:3084-1
suse-csafSUSE-SU-2017:2963-1
suse-csafSUSE-SU-2017:2969-1
suse-csafSUSE-SU-2017:2946-1
suse-csafSUSE-SU-2017:1774-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://ubuntu.com/usn/usn-3289-1Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/04/21/1Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/102129Third Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/97955Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1430056Issue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing ListThird Party Advisory
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