obgm libcoap 4.3.4 Configuration File src/coap_oscore.c get_split_entry stack-based overflow
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 with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.
The weakness was released 01/26/2024. The advisory is available at github.com. This vulnerability is handled as CVE-2024-0962. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known.
The exploit is available at github.com. It is declared as proof-of-concept.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.8VulDB Meta Temp Score: 6.6
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CNA Base Score: 6.3
CNA Vector (VulDB): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| unlock | unlock | unlock | unlock | unlock | unlock |
| unlock | unlock | unlock | unlock | unlock | unlock |
| unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | unlock | unlock | unlock | unlock |
|---|---|---|---|---|
| Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: github.com
Timeline
01/26/2024 🔍01/26/2024 🔍
01/26/2024 🔍
02/20/2024 🔍
Sources
Advisory: 1310Status: Confirmed
CVE: CVE-2024-0962 (🔍)
GCVE (CVE): GCVE-0-2024-0962
GCVE (VulDB): GCVE-100-252206
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 01/26/2024 18:34Updated: 02/20/2024 00:08
Changes: 01/26/2024 18:34 (44), 02/19/2024 23:59 (3), 02/20/2024 00:08 (28)
Complete: 🔍
Submitter: MSXF
Cache ID: 152:AC2:65
Submit
Accepted
- Submit #272859: https://github.com/obgm/ libcoap 4.3.4 (latest) Stack Based Buffer Overflow (by MSXF)
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