Out-of-bounds Read in Qemu
CVE-2017-18030
The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (31.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Qemu
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- lists.debian.org/debian-lts-announce/2018/09/msg00007.html (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2018/01/15/3 (mailing-list, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/102520 (VDB Entry, Third Party Advisory, vdb-entry)
- git.qemu.org/
Frequently asked questions
- What is CVE-2017-18030?
- CVE-2017-18030 is a medium-severity vulnerability in Qemu, classified under Out-of-bounds Read. CVSS score: 4.4/10. Published 2018-01-23.
- How severe is CVE-2017-18030?
- Medium severity. CVSS v3 base score is 4.4 out of 10.