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.
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).
The product writes data past the end, or before the beginning, of the intended buffer.
| Link | Tags |
|---|---|
| https://vuldb.com/?id.252206 | third party advisory vdb entry technical description |
| https://vuldb.com/?ctiid.252206 | signature permissions required |
| https://github.com/obgm/libcoap/issues/1310 | patch issue tracking exploit |
| https://github.com/obgm/libcoap/issues/1310#issue-2099860835 | issue tracking exploit |
| https://github.com/obgm/libcoap/pull/1311 | patch issue tracking |