CVE-2024-34250: bytecodealliance webassembly_micro_runtime Heap-based Buffer Overflow

Vulnerability summary

CVE-2024-34250 is a medium (CVSS 6.2) Heap-based Buffer Overflow vulnerability in bytecodealliance webassembly_micro_runtime. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.9% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 06-05-2024
   PublishedVulnerability first disclosed.
2. 02-08-2024
   Last modifiedVulnerability information updated.

Description

A heap buffer overflow vulnerability was discovered in Bytecode Alliance wasm-micro-runtime v2.0.0 which allows a remote attacker to cause at least a denial of service via the "wasm_loader_check_br" function in core/iwasm/interpreter/wasm_loader.c.

• CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().