CVE-2023-35784
OpenBSD LibreSSL SSL Double Free
Description
A double free or use after free could occur after SSL_clear in OpenBSD 7.2 before errata 026 and 7.3 before errata 004, and in LibreSSL before 3.6.3 and 3.7.x before 3.7.3. NOTE: OpenSSL is not affected.
INFO
Published Date :
June 16, 2023, 8:15 p.m.
Last Modified :
Nov. 21, 2024, 8:08 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2023-35784 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2023-35784.
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).
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-35784 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-35784 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.6.3-relnotes.txt Added Reference https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.7.3-relnotes.txt Added Reference https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/026_ssl.patch.sig Added Reference https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/004_ssl.patch.sig Added Reference https://github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 06, 2023
Action Type Old Value New Value Removed Reference https://github.com/libressl/openbsd/commit/1d6680b3682f8caba78c627dee60c76da6e20dd7 [Patch] Removed Reference https://github.com/libressl/openbsd/commit/96094ca8757b95298f49d65c813f303bd514b27b [Patch] Added Reference https://github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54 [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 26, 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:H/A:H Changed Reference Type https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.6.3-relnotes.txt No Types Assigned https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.6.3-relnotes.txt Release Notes Changed Reference Type https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.7.3-relnotes.txt No Types Assigned https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.7.3-relnotes.txt Release Notes Changed Reference Type https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/026_ssl.patch.sig No Types Assigned https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/026_ssl.patch.sig Patch Changed Reference Type https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/004_ssl.patch.sig No Types Assigned https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/004_ssl.patch.sig Patch Changed Reference Type https://github.com/libressl/openbsd/commit/1d6680b3682f8caba78c627dee60c76da6e20dd7 No Types Assigned https://github.com/libressl/openbsd/commit/1d6680b3682f8caba78c627dee60c76da6e20dd7 Patch Changed Reference Type https://github.com/libressl/openbsd/commit/96094ca8757b95298f49d65c813f303bd514b27b No Types Assigned https://github.com/libressl/openbsd/commit/96094ca8757b95298f49d65c813f303bd514b27b Patch Added CWE NIST CWE-415 Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:a:openbsd:libressl:*:*:*:*:*:*:*:* versions up to (excluding) 3.6.3 *cpe:2.3:a:openbsd:libressl:*:*:*:*:*:*:*:* versions from (including) 3.7.0 up to (excluding) 3.7.3 *cpe:2.3:o:openbsd:openbsd:7.2:*:*:*:*:*:*:* *cpe:2.3:o:openbsd:openbsd:7.3:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-35784 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-2023-35784
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.30 }} 0.04%
score
0.70272
percentile