CVE-2024-31031 — Integer Overflow or Wraparound in Libcoap

CWE-190 — Integer Overflow or Wraparound5 documents5 sources
Severity
7.5HIGHNVD
EPSS
0.1%
top 74.80%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Fedoraproject FedoraLibcoap
Timeline
PublishedApr 17

Description

An issue in `coap_pdu.c` in libcoap 4.3.4 allows attackers to cause undefined behavior via a sequence of messages leading to unsigned integer overflow.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

▶NVDlibcoap/libcoap4.3.4

Also affects: Fedora 39, 40

🔴Vulnerability Details

3
OSV
CVE-2024-31031: An issue in `coap_pdu↗2024-04-17
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CVEList
CVE-2024-31031: An issue in `coap_pdu↗2024-04-17
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GHSA
GHSA-8hrj-6457-w65j: An issue in `coap_pdu↗2024-04-17
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📋Vendor Advisories

1
Debian
CVE-2024-31031: libcoap2 - An issue in `coap_pdu.c` in libcoap 4.3.4 allows attackers to cause undefined be...↗2024
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CVE-2024-31031 — Integer Overflow or Wraparound | cvebase