CVE-2023-3255
QEMU VNC Server Denial of Service Vulnerability
Description
A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. A wrong exit condition may lead to an infinite loop when inflating an attacker controlled zlib buffer in the `inflate_buffer` function. This could allow a remote authenticated client who is able to send a clipboard to the VNC server to trigger a denial of service.
INFO
Published Date :
Sept. 13, 2023, 5:15 p.m.
Last Modified :
Sept. 13, 2024, 7:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
Affected Products
The following products are affected by CVE-2023-3255
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
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-2023-3255.
| URL | Resource |
|---|---|
| https://access.redhat.com/errata/RHSA-2024:2135 | |
| https://access.redhat.com/errata/RHSA-2024:2962 | |
| https://access.redhat.com/security/cve/CVE-2023-3255 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2218486 | Issue Tracking Patch Third Party Advisory |
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-2023-3255 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-3255 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]
Sep. 13, 2024
Action Type Old Value New Value Removed Reference Red Hat, Inc. https://security.netapp.com/advisory/ntap-20231020-0008/ -
CVE Modified by [email protected]
May. 22, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:2962 [No types assigned] -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 30, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:2135 [No types assigned] -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added CWE Red Hat, Inc. CWE-835 -
Modified Analysis by [email protected]
Nov. 04, 2023
Action Type Old Value New Value Changed Reference Type https://security.netapp.com/advisory/ntap-20231020-0008/ No Types Assigned https://security.netapp.com/advisory/ntap-20231020-0008/ Third Party Advisory -
CVE Modified by [email protected]
Oct. 20, 2023
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20231020-0008/ [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 15, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://access.redhat.com/security/cve/CVE-2023-3255 No Types Assigned https://access.redhat.com/security/cve/CVE-2023-3255 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2218486 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2218486 Issue Tracking, Patch, Third Party Advisory Added CWE NIST CWE-835 Added CPE Configuration OR *cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* versions up to (including) 8.0.3 Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-3255 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-2023-3255
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.16 }} 0.02%
score
0.52943
percentile