CVE-2018-5683
published 2018-01-23CVE-2018-5683: 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…
PriorityP419medium6CVSS 3.1
AVLACLPRHUINSCCNINAH
EPSS
0.68%
48.8th percentile
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.
Affected
27 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | qemu | < qemu 1:2.12~rc3+dfsg-1 (bookworm) | qemu 1:2.12~rc3+dfsg-1 (bookworm) |
| qemu | qemu | <= 2.11.1 | — |
| 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 < 1:2.12~rc3+dfsg-1 | 1:2.12~rc3+dfsg-1 |
| qemu | qemu | >= 0 < 2.0.0+dfsg-2ubuntu1.39 | 2.0.0+dfsg-2ubuntu1.39 |
| qemu | qemu | >= 0 < 2.0.0+dfsg-2ubuntu1.40 | 2.0.0+dfsg-2ubuntu1.40 |
| qemu | qemu | >= 0 < 1:2.5+dfsg-5ubuntu10.22 | 1:2.5+dfsg-5ubuntu10.22 |
| qemu | qemu | >= 0 < 1:2.5+dfsg-5ubuntu10.24 | 1:2.5+dfsg-5ubuntu10.24 |
| 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_aus | — | — |
| redhat | enterprise_linux_server_eus | — | — |
| redhat | enterprise_linux_server_eus | — | — |
| redhat | enterprise_linux_server_tus | — | — |
| redhat | enterprise_linux_server_tus | — | — |
CVSS provenance
nvdv3.16.0MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
osv6.0MEDIUM
vendor_debian6.0MEDIUM
vendor_redhat6.0MEDIUM
vendor_ubuntu4.4MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-4v68-h86g-72p3: 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
ghsa_unreviewed·2022-05-13
CVE-2018-5683 [MEDIUM] CWE-125 GHSA-4v68-h86g-72p3: 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
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.
OSV
qemu regression
osv·2018-03-05·CVSS 4.4
CVE-2017-11334 [MEDIUM] qemu regression
qemu regression
USN-3575-1 fixed vulnerabilities in QEMU. The fix for CVE-2017-11334 caused
a regression in Xen environments. This update removes the problematic fix
pending further investigation.
We apologize for the inconvenience.
Original advisory details:
It was discovered that QEMU incorrectly handled guest ram. A privileged
attacker inside the guest could use this issue to cause QEMU to crash,
resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS
and Ubuntu 16.04 LTS. (CVE-2017-11334)
David Buchanan discovered that QEMU incorrectly handled the VGA device. A
privileged attacker inside the guest could use this issue to cause QEMU to
crash, resulting in a denial of service. This issue was only addressed in
Ubuntu 17.10. (CVE-2017-13672)
Thomas Garnier discove
OSV
qemu vulnerabilities
osv·2018-02-20·CVSS 4.4
CVE-2017-11334 [MEDIUM] qemu vulnerabilities
qemu vulnerabilities
It was discovered that QEMU incorrectly handled guest ram. A privileged
attacker inside the guest could use this issue to cause QEMU to crash,
resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS
and Ubuntu 16.04 LTS. (CVE-2017-11334)
David Buchanan discovered that QEMU incorrectly handled the VGA device. A
privileged attacker inside the guest could use this issue to cause QEMU to
crash, resulting in a denial of service. This issue was only addressed in
Ubuntu 17.10. (CVE-2017-13672)
Thomas Garnier 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 libvir
OSV
CVE-2018-5683: 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
osv·2018-01-23·CVSS 6.0
CVE-2018-5683 [MEDIUM] CVE-2018-5683: 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
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.
Ubuntu
QEMU regression
vendor_ubuntu·2018-03-05·CVSS 4.4
CVE-2017-11334 [MEDIUM] QEMU regression
Title: QEMU regression
Summary: USN-3575-1 introduced a regression in QEMU.
USN-3575-1 fixed vulnerabilities in QEMU. The fix for CVE-2017-11334 caused
a regression in Xen environments. This update removes the problematic fix
pending further investigation.
We apologize for the inconvenience.
Original advisory details:
It was discovered that QEMU incorrectly handled guest ram. A privileged
attacker inside the guest could use this issue to cause QEMU to crash,
resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS
and Ubuntu 16.04 LTS. (CVE-2017-11334)
David Buchanan discovered that QEMU incorrectly handled the VGA device. A
privileged attacker inside the guest could use this issue to cause QEMU to
crash, resulting in a denial of service. This issue was only addres
Ubuntu
QEMU vulnerabilities
vendor_ubuntu·2018-02-20·CVSS 4.4
CVE-2017-11334 [MEDIUM] QEMU vulnerabilities
Title: QEMU vulnerabilities
Summary: Several security issues were fixed in QEMU.
It was discovered that QEMU incorrectly handled guest ram. A privileged
attacker inside the guest could use this issue to cause QEMU to crash,
resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS
and Ubuntu 16.04 LTS. (CVE-2017-11334)
David Buchanan discovered that QEMU incorrectly handled the VGA device. A
privileged attacker inside the guest could use this issue to cause QEMU to
crash, resulting in a denial of service. This issue was only addressed in
Ubuntu 17.10. (CVE-2017-13672)
Thomas Garnier 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 hos
Debian
CVE-2018-5683: qemu - The vga_draw_text function in Qemu allows local OS guest privileged users to cau...
vendor_debian·2018·CVSS 6.0
CVE-2018-5683 [MEDIUM] CVE-2018-5683: qemu - The vga_draw_text function in Qemu allows local OS guest privileged users to cau...
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.
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)
Red Hat
Qemu: Out-of-bounds read in vga_draw_text routine
vendor_redhat·2017-12-25·CVSS 6.0
CVE-2018-5683 [MEDIUM] CWE-125 Qemu: Out-of-bounds read in vga_draw_text routine
Qemu: Out-of-bounds read in vga_draw_text routine
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.
An out-of-bounds read access issue was found in the VGA emulator of QEMU. It could occur in vga_draw_text routine, while updating display area for a vnc client. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS.
Package: kvm (Red Hat Enterprise Linux 5) - Will not fix
Package: xen (Red Hat Enterprise Linux 5) - Will not fix
Package: qemu-guest-agent (Red Hat Enterprise Linux 7) - Not affected
Package: qemu-kvm (Red Hat Enterprise Linux 7) - Affected
Package: qemu-kvm (Red Hat Enterprise Linux 8)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-5683 qemu: Out-of-bounds read in vga_draw_text function in hw/display/vga.c [fedora-all]
bugzilla·2018-01-15·CVSS 6.0
CVE-2018-5683 [MEDIUM] CVE-2018-5683 qemu: Out-of-bounds read in vga_draw_text function in hw/display/vga.c [fedora-all]
CVE-2018-5683 qemu: Out-of-bounds read in vga_draw_text function in hw/display/vga.c [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 multipl
Bugzilla
CVE-2018-5683 xen: Qemu: Out-of-bounds read in vga_draw_text routine [fedora-all]
bugzilla·2018-01-15·CVSS 6.0
CVE-2018-5683 [MEDIUM] CVE-2018-5683 xen: Qemu: Out-of-bounds read in vga_draw_text routine [fedora-all]
CVE-2018-5683 xen: Qemu: Out-of-bounds read in vga_draw_text routine [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 vers
Bugzilla
CVE-2018-5683 Qemu: Out-of-bounds read in vga_draw_text routine
bugzilla·2018-01-02·CVSS 6.0
CVE-2018-5683 [MEDIUM] CVE-2018-5683 Qemu: Out-of-bounds read in vga_draw_text routine
CVE-2018-5683 Qemu: Out-of-bounds read in vga_draw_text routine
Quick Emulator(QEMU) built with the VGA emulator support is vulnerable to an out-of-bounds access issue in vga_draw_text. It could occur while updating vga display area.
A privileged user inside guest could use this flaw to crash the Qemu process
resulting in DoS.
Upstream patch:
-> https://lists.gnu.org/archive/html/qemu-devel/2018-01/msg02131.html
Reference:
-> http://www.openwall.com/lists/oss-security/2018/01/15/2
Discussion:
Acknowledgments:
Name: Jiang Xin, Lin ZheCheng
---
Created qemu tracking bugs for this issue:
Affects: fedora-all [bug 1534672]
Created xen tracking bugs for this issue:
Affects: fedora-all [bug 1534671]
---
upstream commit 191f59dc17396bb5a8da50f8c59b6e0a430711a4
---
Red Hat OpenStac
http://www.openwall.com/lists/oss-security/2018/01/15/2http://www.securityfocus.com/bid/102518https://access.redhat.com/errata/RHSA-2018:0816https://access.redhat.com/errata/RHSA-2018:1104https://access.redhat.com/errata/RHSA-2018:2162https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlhttps://lists.gnu.org/archive/html/qemu-devel/2018-01/msg02597.htmlhttps://usn.ubuntu.com/3575-1/https://www.debian.org/security/2018/dsa-4213http://www.openwall.com/lists/oss-security/2018/01/15/2http://www.securityfocus.com/bid/102518https://access.redhat.com/errata/RHSA-2018:0816https://access.redhat.com/errata/RHSA-2018:1104https://access.redhat.com/errata/RHSA-2018:2162https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlhttps://lists.gnu.org/archive/html/qemu-devel/2018-01/msg02597.htmlhttps://usn.ubuntu.com/3575-1/https://www.debian.org/security/2018/dsa-4213
2018-01-23
Published