CVE-2018-5683 — Out-of-bounds Read in Qemu

CWE-125 — Out-of-bounds Read13 documents8 sources
Severity
6.0MEDIUMNVD
OSV4.4
EPSS
0.0%
top 91.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
9
QemuCanonical Ubuntu LinuxDebian Linux+6 more
Timeline
PublishedJan 23
Latest updateMay 13

Description

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:HExploitability: 1.5 | Impact: 4.0

Affected Packages6 packages

▶Debianqemu/qemu< 1:2.12~rc3+dfsg-1+3
▶Ubuntuqemu/qemu< 2.0.0+dfsg-2ubuntu1.39+3
▶NVDqemu/qemu2.11.1

Also affects: Debian Linux 8.0, 9.0, Ubuntu Linux 14.04, 16.04, 17.10, Enterprise Linux 7.6, 7.7

Patches

Patch: www.openwall.com ↗Patch: www.openwall.com ↗

🔴Vulnerability Details

5
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↗2022-05-13
▶
OSV
qemu regression↗2018-03-05
▶
OSV
qemu vulnerabilities↗2018-02-20
▶
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↗2018-01-23
▶
CVEList
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↗2018-01-23
▶

📋Vendor Advisories

4
Ubuntu
QEMU regression↗2018-03-05
▶
Ubuntu
QEMU vulnerabilities↗2018-02-20
▶
Debian
CVE-2018-5683: qemu - The vga_draw_text function in Qemu allows local OS guest privileged users to cau...↗2018
▶
Red Hat
Qemu: Out-of-bounds read in vga_draw_text routine↗2017-12-25
▶

💬Community

3
Bugzilla
CVE-2018-5683 qemu: Out-of-bounds read in vga_draw_text function in hw/display/vga.c [fedora-all]↗2018-01-15
▶
Bugzilla
CVE-2018-5683 xen: Qemu: Out-of-bounds read in vga_draw_text routine [fedora-all]↗2018-01-15
▶
Bugzilla
CVE-2018-5683 Qemu: Out-of-bounds read in vga_draw_text routine↗2018-01-02
▶
CVE-2018-5683 — Out-of-bounds Read in Qemu | cvebase