Medium severity · published Jan 23, 2018
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 leveraging improper memory…
6.0
CVSS
0.7%
EPSS
No
On KEV
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:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.6; 7.7 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.6; 7.7 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
7.6; 7.7 · source: NVD
EL
Enterprise Linux Workstation · Redhat
6.0; 7.0 · source: NVD
QE
Qemu · Qemu
through 2.11.1 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 17.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-5683
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-5683
Mailing List
http://www.openwall.com/lists/oss-security/2018/01/15/2
Third Party Advisory
http://www.securityfocus.com/bid/102518
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0816
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1104
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2162
Mailing List
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
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