CVE-2023-0836
HAProxy FastCGI Information Leak
Description
An information leak vulnerability was discovered in HAProxy 2.1, 2.2 before 2.2.27, 2.3, 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, 2.7 before 2.7.1. There are 5 bytes left uninitialized in the connection buffer when encoding the FCGI_BEGIN_REQUEST record. Sensitive data may be disclosed to configured FastCGI backends in an unexpected way.
INFO
Published Date :
March 29, 2023, 9:15 p.m.
Last Modified :
Nov. 7, 2023, 4:01 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
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-2023-0836.
| URL | Resource |
|---|---|
| https://git.haproxy.org/?p=haproxy.git%3Ba=commitdiff%3Bh=2e6bf0a | |
| https://www.debian.org/security/2023/dsa-5388 |
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-2023-0836 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-0836 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]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://git.haproxy.org/?p=haproxy.git%3Ba=commitdiff%3Bh=2e6bf0a [No types assigned] Removed Reference Red Hat, Inc. https://git.haproxy.org/?p=haproxy.git;a=commitdiff;h=2e6bf0a -
CVE Modified by [email protected]
Apr. 14, 2023
Action Type Old Value New Value Added Reference https://www.debian.org/security/2023/dsa-5388 [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 06, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://git.haproxy.org/?p=haproxy.git;a=commitdiff;h=2e6bf0a No Types Assigned https://git.haproxy.org/?p=haproxy.git;a=commitdiff;h=2e6bf0a Mailing List, Patch Added CWE NIST CWE-459 Added CPE Configuration OR *cpe:2.3:a:haproxy:haproxy:2.1.0:*:*:*:*:*:*:* *cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* versions from (including) 2.2.0 up to (excluding) 2.2.27 *cpe:2.3:a:haproxy:haproxy:2.3.0:*:*:*:*:*:*:* *cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* versions from (including) 2.4.0 up to (including) 2.4.21 *cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* versions from (including) 2.5.0 up to (including) 2.5.11 *cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* versions from (including) 2.6.0 up to (including) 2.6.8 *cpe:2.3:a:haproxy:haproxy:2.7.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-0836 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-2023-0836
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.18 }} 0.01%
score
0.55170
percentile