CVE-2023-2861
QEMU 9p Passthrough Filesystem Inclusion of Host Special Files Vulnerability
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.
INFO
Published Date :
Dec. 6, 2023, 7:15 a.m.
Last Modified :
March 11, 2024, 6:15 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.2
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-2861.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-2861 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-2861 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 11, 2024
Action Type Old Value New Value Added Reference Fedora Project https://security.netapp.com/advisory/ntap-20240229-0002/ [No types assigned] Added Reference Fedora Project https://lists.debian.org/debian-lts-announce/2024/03/msg00012.html [No types assigned] -
CVE Modified by [email protected]
Jan. 25, 2024
Action Type Old Value New Value Added Reference Fedora Project https://security.netapp.com/advisory/ntap-20240125-0005/ [No types assigned] -
Initial Analysis by [email protected]
Dec. 11, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Changed Reference Type https://access.redhat.com/security/cve/CVE-2023-2861 No Types Assigned https://access.redhat.com/security/cve/CVE-2023-2861 Vendor Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2219266 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2219266 Issue Tracking, Patch Added CWE NIST NVD-CWE-Other Added CPE Configuration OR *cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* versions up to (excluding) 8.1.0 -
CVE Received by [email protected]
Dec. 06, 2023
Action Type Old Value New Value Added 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. Added Reference Fedora Project https://access.redhat.com/security/cve/CVE-2023-2861 [No types assigned] Added Reference Fedora Project https://bugzilla.redhat.com/show_bug.cgi?id=2219266 [No types assigned] Added CWE Fedora Project CWE-284 Added CVSS V3.1 Fedora Project AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-2861 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-2861
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.12131
percentile