CVE-2023-2861
Advisory lineage Upstream: 0 Downstream: 14
Modified
Published: 06 Dec 2023, 06:19
Last modified:02 Aug 2024, 06:33
Vulnerability Summary
Overall Risk (default)
medium
28/100 CVSS Score
7.1 HIGH
v3.1 (nvd)
EPSS Score
0.04% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
06 Dec 2023, 06:19
Published
Vulnerability first disclosed
02 Aug 2024, 06:33
Last Modified
Vulnerability information updated
Description
A flaw was found in the 9p passthrough filesystem (9pfs) implementation in QEMU. The 9pfs server did not prohibit opening special files on the host side, potentially allowing a malicious client to escape from the exported 9p tree by creating and opening a device file in the shared folder.
CVSS Metrics
- v3.1•MEDIUM•Score: 6CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
- v3.1•HIGH•Score: 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS Trends
Current EPSS score: 0.04%• Percentile: 14%
Techniques & Countermeasures
- CWE-284•Improper Access Control
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Affected Systems
- qemu•qemu
< 8.1.0