CVE-2024-31031: Integer Overflow
An issue in coappdu.c in libcoap 4.3.4 allows attackers to cause undefined behavior via a sequence of messages leading to unsigned integer overflow.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/libcoap3to a version that resolves this vulnerability.Fixed in 4.3.4-1.1+deb13u1 - Upgrade
Upgrade
debian/libcoap3to a version that resolves this vulnerability.Fixed in 4.3.5-1 - Upgrade
Upgrade
debian/libcoap3to a version that resolves this vulnerability.Fixed in 4.3.4-1.1+deb13u3Fixed in 4.3.5-4
Event History
Frequently Asked Questions
What is the severity of CVE-2024-31031?
CVE-2024-31031 is classified as a high-severity vulnerability due to the potential for attackers to cause undefined behavior.
How do I fix CVE-2024-31031?
To fix CVE-2024-31031, update libcoap to version 4.3.5 or later, which contains the necessary patches.
What systems are affected by CVE-2024-31031?
CVE-2024-31031 specifically affects libcoap version 4.3.4.
What type of vulnerability is CVE-2024-31031?
CVE-2024-31031 is an unsigned integer overflow vulnerability in the handling of CoAP messages.
What are the potential impacts of CVE-2024-31031?
The potential impacts of CVE-2024-31031 include application crashes and unauthorized access due to undefined behavior.