7.5
HIGH
CVE-2024-5991
wolfSSL Null-Terminated String Vulnerability
Description

In function MatchDomainName(), input param str is treated as a NULL terminated string despite being user provided and unchecked. Specifically, the function X509_check_host() takes in a pointer and length to check against, with no requirements that it be NULL terminated. If a caller was attempting to do a name check on a non-NULL terminated buffer, the code would read beyond the bounds of the input array until it found a NULL terminator.This issue affects wolfSSL: through 5.7.0.

INFO

Published Date :

Aug. 27, 2024, 7:15 p.m.

Last Modified :

Sept. 6, 2024, 10:51 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2024-5991 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2024-5991 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 Wolfssl wolfssl
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-2024-5991.

URL Resource
https://github.com/wolfSSL/wolfssl/pull/7604 Issue Tracking Patch
https://https://github.com/wolfSSL/wolfssl/pull/7604 Broken Link

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

CMake Dockerfile Shell C++ C Makefile Euphoria Batchfile BitBake Perl

Updated: 1 month ago
0 stars 0 fork 0 watcher
Born at : Oct. 18, 2024, 12:36 p.m. This repo has been linked 4 different CVEs too.

This repository is a restructured copy of https://github.com/wolfSSL/wolfssl/ for the Arduino environment. Any Pull Requests for code changes should be opened there.

arduino-library cryptography security ssl tls tls12 tls13

C C++

Updated: 2 months, 3 weeks ago
11 stars 6 fork 6 watcher
Born at : Jan. 11, 2024, 7:26 p.m. This repo has been linked 4 different CVEs too.

The wolfSSL library is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3 and DTLS 1.3!

ssl tls cryptography security openssl tls13 dtls https fips cryptography-api embedded-systems encryption iot trusted-execution-environment openssl-alternative c-library wolfssl cipher-suites openssl-api sniffer

C Shell Makefile Tcl Assembly C++ XS Perl C# M4

Updated: 2 months, 2 weeks ago
2281 stars 787 fork 787 watcher
Born at : Jan. 7, 2015, 6:50 p.m. This repo has been linked 4 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-5991 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-5991 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.

  • Initial Analysis by [email protected]

    Sep. 06, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://https://github.com/wolfSSL/wolfssl/pull/7604 No Types Assigned https://https://github.com/wolfSSL/wolfssl/pull/7604 Broken Link
    Added Reference https://github.com/wolfSSL/wolfssl/pull/7604 [Issue Tracking, Patch]
    Added CWE NIST CWE-125
    Added CPE Configuration OR *cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:* versions up to (including) 5.7.0
  • CVE Received by [email protected]

    Aug. 27, 2024

    Action Type Old Value New Value
    Added Description In function MatchDomainName(), input param str is treated as a NULL terminated string despite being user provided and unchecked. Specifically, the function X509_check_host() takes in a pointer and length to check against, with no requirements that it be NULL terminated. If a caller was attempting to do a name check on a non-NULL terminated buffer, the code would read beyond the bounds of the input array until it found a NULL terminator.This issue affects wolfSSL: through 5.7.0.
    Added Reference wolfSSL Inc. https://https://github.com/wolfSSL/wolfssl/pull/7604 [No types assigned]
    Added CWE wolfSSL Inc. CWE-125
    Added CVSS V4.0 wolfSSL Inc. CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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-2024-5991 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-2024-5991 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
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