CVE-2018-18954
Advisory lineage Upstream: 0 Downstream: 7
Modified
Published: 15 Nov 2018, 20:00
Last modified:05 Aug 2024, 11:23
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
v3.0 (nvd)
EPSS Score
0.12% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
15 Nov 2018, 20:00
Published
Vulnerability first disclosed
05 Aug 2024, 11:23
Last Modified
Vulnerability information updated
Description
The pnv_lpc_do_eccb function in hw/ppc/pnv_lpc.c in Qemu before 3.1 allows out-of-bounds write or read access to PowerNV memory.
CVSS Metrics
- v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 0.12%• Percentile: 30%
Techniques & Countermeasures
- CWE-125•Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
- CWE-787•Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
Affected Systems
- canonical•ubuntu_linux
18.04 | 18.10
- opensuse•leap
42.3
- qemu•qemu
< 3.1
References (7)
- https://usn.ubuntu.com/3826-1/
- http://www.openwall.com/lists/oss-security/2018/11/06/6
- http://www.securityfocus.com/bid/105920
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00446.html
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html
- https://www.debian.org/security/2019/dsa-4454
- https://seclists.org/bugtraq/2019/May/76