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Vulnerability · Published Jan 27, 2024 · Assigned by VulDB

CVE-2024-0962obgm libcoap Configuration File coap_oscore.c get_split_entry stack-based overflow

Medium 6.3

In plain English

A medium-severity stack buffer overflow in libcoap from obgm. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.8%top 44.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability was found in obgm libcoap 4.3.4. It has been rated as critical. Affected by this issue is the function get_split_entry of the file src/coap_oscore.c of the component Configuration File Handler. The manipulation leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. VDB-252206 is the identifier assigned to this vulnerability.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13libcoap34.3.4-1.1+deb13u1DEBIAN-CVE-2024-0962
Debian:14libcoap34.3.5-1DEBIAN-CVE-2024-0962
Ubuntu:22.04:LTSlibcoap2no fix listedUBUNTU-CVE-2024-0962
Ubuntu:22.04:LTSlibcoap3no fix listedUBUNTU-CVE-2024-0962
Ubuntu:24.04:LTSlibcoap3no fix listedUBUNTU-CVE-2024-0962
Ubuntu:25.10libcoap3no fix listedUBUNTU-CVE-2024-0962
Ubuntu:26.04:LTSlibcoap3no fix listedUBUNTU-CVE-2024-0962
Ubuntu:26.10libcoap3no fix listedUBUNTU-CVE-2024-0962

Affected products (as reported)

VendorProductVersions
obgm libcoap 4.3.4

Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

References