Home/CVE/Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds
CVE

CVE-2017-2620

Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds

Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.

MEDIUM · CVSS 5.5 EPSS 0.0241
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
CWE-787Out-of-bounds Write
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

11
qemu< 2.8.0
citrix xenserverall versions
redhat openstackall versions
debian linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
redhat enterprise linux server eusall versions
◈

Sigma Hunt Rules

1
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.
productmediumPotentially Suspicious Usage Of Qemu
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.0 · secalert@redhat.com
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 NVD27 Jul 2018 · 07:29 PM
CVSS VectorCVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
⚑

Vendor Advisories

25
suse-csafopenSUSE-SU-2024:11287-1
suse-csafopenSUSE-SU-2024:11520-1
suse-csafSUSE-SU-2017:3084-1
suse-csafSUSE-SU-2017:1241-1
suse-csafSUSE-SU-2017:1135-1
🔗

References & Sources

23
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://rhn.redhat.com/errata/RHSA-2017-0328.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0329.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0330.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0331.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0332.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0333.htmlThird Party Advisory
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