CVE-2018-20815
Advisory lineage Upstream: 0 Downstream: 27
Modified
Published: 31 May 2019, 21:40
Last modified:05 Aug 2024, 12:12
Vulnerability Summary
Overall Risk (default)
high
70/100 CVSS Score
9.8 CRITICAL
v3.0 (nvd)
EPSS Score
3.5% LOW
3% probability -0.44%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
31 May 2019, 21:40
Published
Vulnerability first disclosed
05 Aug 2024, 12:12
Last Modified
Vulnerability information updated
Description
In QEMU 3.1.0, load_device_tree in device_tree.c calls the deprecated load_image function, which has a buffer overflow risk.
CVSS Metrics
- v3.0•CRITICAL•Score: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS Trends
Current EPSS score: 3.50%• Percentile: 88%
Techniques & Countermeasures
- CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
Affected Systems
- qemu•qemu
3.1.0
References (12)
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=da885fe1ee8b4589047484bd7fa05a4905b52b17
- https://access.redhat.com/errata/RHSA-2019:1667
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVDHJB2QKXNDU7OFXIHIL5O5VN5QCSZL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BOE3PVFPMWMXV3DGP2R3XIHAF2ZQU3FS/
- https://access.redhat.com/errata/RHSA-2019:1723
- https://access.redhat.com/errata/RHSA-2019:1743
- https://access.redhat.com/errata/RHSA-2019:1881
- https://access.redhat.com/errata/RHSA-2019:1968
- https://access.redhat.com/errata/RHSA-2019:2507
- https://access.redhat.com/errata/RHSA-2019:2553
- https://seclists.org/bugtraq/2019/Aug/41
- https://www.debian.org/security/2019/dsa-4506