CVE-2018-7858
published 2018-03-12CVE-2018-7858: Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service…
PriorityP420medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.61%
45.8th percentile
Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.
Affected
24 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | qemu | < qemu 1:2.12~rc3+dfsg-1 (bookworm) | qemu 1:2.12~rc3+dfsg-1 (bookworm) |
| opensuse | leap | — | — |
| qemu | qemu | <= 2.11.2 | — |
| qemu | qemu | >= 0 < 1:2.12~rc3+dfsg-1 | 1:2.12~rc3+dfsg-1 |
| qemu | qemu | >= 0 < 1:2.12~rc3+dfsg-1 | 1:2.12~rc3+dfsg-1 |
| qemu | qemu | >= 0 < 1:2.12~rc3+dfsg-1 | 1:2.12~rc3+dfsg-1 |
| qemu | qemu | >= 0 < 1:2.12~rc3+dfsg-1 | 1:2.12~rc3+dfsg-1 |
| qemu | qemu | >= 0 < 2.0.0+dfsg-2ubuntu1.41 | 2.0.0+dfsg-2ubuntu1.41 |
| qemu | qemu | >= 0 < 1:2.5+dfsg-5ubuntu10.28 | 1:2.5+dfsg-5ubuntu10.28 |
| qemu | qemu | >= 0 < 1:2.11+dfsg-1ubuntu7.1 | 1:2.11+dfsg-1ubuntu7.1 |
| redhat | enterprise_linux_desktop | — | — |
| redhat | enterprise_linux_desktop | — | — |
| redhat | enterprise_linux_server | — | — |
| redhat | enterprise_linux_server | — | — |
| redhat | enterprise_linux_server_aus | — | — |
| redhat | enterprise_linux_server_eus | — | — |
| redhat | enterprise_linux_server_eus | — | — |
| redhat | enterprise_linux_server_tus | — | — |
| redhat | enterprise_linux_workstation | — | — |
| redhat | enterprise_linux_workstation | — | — |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
osv10.0CRITICAL
vendor_ubuntu10.0CRITICAL
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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GHSA
GHSA-f62g-jrwm-hq59: Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of serv
ghsa_unreviewed·2022-05-13
CVE-2018-7858 [MEDIUM] CWE-125 GHSA-f62g-jrwm-hq59: Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of serv
Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.
OSV
qemu vulnerabilities
osv·2018-05-16·CVSS 10.0
CVE-2017-16845 [CRITICAL] qemu vulnerabilities
qemu vulnerabilities
Cyrille Chatras discovered that QEMU incorrectly handled certain PS2 values
during migration. An attacker could possibly use this issue to cause QEMU
to crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 18.04 LTS. (CVE-2017-16845)
Cyrille Chatras discovered that QEMU incorrectly handled multiboot. An
attacker could use this issue to cause QEMU to crash, resulting in a denial
of service, or possibly execute arbitrary code on the host. In the default
installation, when QEMU is used with libvirt, attackers would be isolated
by the libvirt AppArmor profile. (CVE-2018-7550)
Ross Lagerwall discovered that QEMU incorrectly handled the Cirrus VGA
device. A privileged attacker inside the guest could use this issue to
OSV
CVE-2018-7858: Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of serv
osv·2018-03-12·CVSS 5.5
CVE-2018-7858 [MEDIUM] CVE-2018-7858: Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of serv
Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.
Ubuntu
QEMU vulnerabilities
vendor_ubuntu·2018-05-16·CVSS 10.0
CVE-2017-16845 [CRITICAL] QEMU vulnerabilities
Title: QEMU vulnerabilities
Summary: Several security issues were fixed in QEMU.
Cyrille Chatras discovered that QEMU incorrectly handled certain PS2 values
during migration. An attacker could possibly use this issue to cause QEMU
to crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 18.04 LTS. (CVE-2017-16845)
Cyrille Chatras discovered that QEMU incorrectly handled multiboot. An
attacker could use this issue to cause QEMU to crash, resulting in a denial
of service, or possibly execute arbitrary code on the host. In the default
installation, when QEMU is used with libvirt, attackers would be isolated
by the libvirt AppArmor profile. (CVE-2018-7550)
Ross Lagerwall discovered that QEMU incorrectly handled the Cirrus VGA
device. A
Red Hat
QEMU: cirrus: OOB access when updating VGA display
vendor_redhat·2018-03-08·CVSS 5.5
CVE-2018-7858 [MEDIUM] CWE-125 QEMU: cirrus: OOB access when updating VGA display
QEMU: cirrus: OOB access when updating VGA display
Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.
Package: kvm (Red Hat Enterprise Linux 5) - Will not fix
Package: xen (Red Hat Enterprise Linux 5) - Will not fix
Package: qemu-kvm-ma (Red Hat Enterprise Linux 7) - Not affected
Package: qemu-kvm (Red Hat Enterprise Linux 8) - Not affected
Package: qemu-kvm-rhev (Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)) - Will not fix
Package: qemu-kvm-rhev (Red Hat OpenStack Platform 11 (Ocata)) - Will not fix
Debian
CVE-2018-7858: qemu - Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator sup...
vendor_debian·2018·CVSS 5.5
CVE-2018-7858 [MEDIUM] CVE-2018-7858: qemu - Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator sup...
Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.
Scope: local
bookworm: resolved (fixed in 1:2.12~rc3+dfsg-1)
bullseye: resolved (fixed in 1:2.12~rc3+dfsg-1)
forky: resolved (fixed in 1:2.12~rc3+dfsg-1)
sid: resolved (fixed in 1:2.12~rc3+dfsg-1)
trixie: resolved (fixed in 1:2.12~rc3+dfsg-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-7858 QEMU: cirrus: OOB access when updating VGA display
bugzilla·2018-03-08·CVSS 5.5
CVE-2018-7858 [MEDIUM] CVE-2018-7858 QEMU: cirrus: OOB access when updating VGA display
CVE-2018-7858 QEMU: cirrus: OOB access when updating VGA display
Quick emulator(QEMU) built with the Cirrus CLGD 54xx VGA Emulator support is
vulnerable to an out-of-bounds access issue. It could occur while updating
VGA display, after guest has adjusted the display dimensions.
A privileged user inside guest could use this flaw to crash the Qemu process
resulting in DoS.
Upstream patch:
-> https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.html
Reference:
-> http://www.openwall.com/lists/oss-security/2018/03/09/1
Discussion:
Created xen tracking bugs for this issue:
Affects: fedora-all [bug 1553403]
Created qemu tracking bugs for this issue:
Affects: fedora-all [bug 1553404]
---
Acknowledgments:
Name: Ross Lagerwall (Citrix.com)
---
This issue has been address
Bugzilla
CVE-2018-7858 Qemu: cirrus: OOB access when updating VGA display [fedora-all]
bugzilla·2018-03-08·CVSS 5.5
CVE-2018-7858 [MEDIUM] CVE-2018-7858 Qemu: cirrus: OOB access when updating VGA display [fedora-all]
CVE-2018-7858 Qemu: cirrus: OOB access when updating VGA display [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versions
Bugzilla
CVE-2018-7858 xen: QEMU: cirrus: OOB access when updating VGA display [fedora-all]
bugzilla·2018-03-08·CVSS 5.5
CVE-2018-7858 [MEDIUM] CVE-2018-7858 xen: QEMU: cirrus: OOB access when updating VGA display [fedora-all]
CVE-2018-7858 xen: QEMU: cirrus: OOB access when updating VGA display [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported ver
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.htmlhttp://www.openwall.com/lists/oss-security/2018/03/09/1http://www.securityfocus.com/bid/103350https://access.redhat.com/errata/RHSA-2018:1369https://access.redhat.com/errata/RHSA-2018:1416https://access.redhat.com/errata/RHSA-2018:2162https://bugzilla.redhat.com/show_bug.cgi?id=1553402https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.htmlhttps://usn.ubuntu.com/3649-1/http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.htmlhttp://www.openwall.com/lists/oss-security/2018/03/09/1http://www.securityfocus.com/bid/103350https://access.redhat.com/errata/RHSA-2018:1369https://access.redhat.com/errata/RHSA-2018:1416https://access.redhat.com/errata/RHSA-2018:2162https://bugzilla.redhat.com/show_bug.cgi?id=1553402https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.htmlhttps://usn.ubuntu.com/3649-1/
2018-03-12
Published