5.3
MEDIUM
CVE-2022-48437
LibreSSL/OpenBSD TLS Certificate Verification Error Handling Vulnerability
Description

An issue was discovered in x509/x509_verify.c in LibreSSL before 3.6.1, and in OpenBSD before 7.2 errata 001. x509_verify_ctx_add_chain does not store errors that occur during leaf certificate verification, and therefore an incorrect error is returned. This behavior occurs when there is an installed verification callback that instructs the verifier to continue upon detecting an invalid certificate.

INFO

Published Date :

April 12, 2023, 5:15 a.m.

Last Modified :

April 21, 2023, 2:17 p.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2022-48437 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.

ID Vendor Product Action
1 Openbsd openbsd
2 Openbsd libressl
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-2022-48437.

URL Resource
https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.6.1-relnotes.txt Patch
https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/001_x509.patch.sig Patch
https://github.com/openbsd/src/commit/4f94258c65a918ee3d8670e93916d15bf879e6ec Patch

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-2022-48437 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-48437 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
  • Initial Analysis by [email protected]

    Apr. 21, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
    Changed Reference Type https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.6.1-relnotes.txt No Types Assigned https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.6.1-relnotes.txt Patch
    Changed Reference Type https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/001_x509.patch.sig No Types Assigned https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/001_x509.patch.sig Patch
    Changed Reference Type https://github.com/openbsd/src/commit/4f94258c65a918ee3d8670e93916d15bf879e6ec No Types Assigned https://github.com/openbsd/src/commit/4f94258c65a918ee3d8670e93916d15bf879e6ec Patch
    Added CWE NIST CWE-295
    Added CPE Configuration OR *cpe:2.3:a:openbsd:libressl:*:*:*:*:*:*:*:* versions up to (excluding) 3.6.1 *cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:* versions up to (excluding) 7.2
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-48437 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-2022-48437 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} 0.00%

score

0.31500

percentile

CVSS31 - Vulnerability Scoring System
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