CVE-2023-43683 – Malwarebytes, Nebula – Buffer Overflow
SUMMARY:
An issue was discovered in Malwarebytes 4.x and 5.x (and Nebula 2020-10-21 and later) because of a a stack buffer out-of-bounds access triggered by an integer underflow when handling newline characters.
AFFECTED VERSIONS
- Malwarebytes 4 versions < 4.6.14.326
- Malwarebytes 5 versions < 5.1.5.116
- Nebula platform before June 2024, Endpoint Agent version < 2.0.0.64, Protection Service version < 4.6.17.334
PATCHED VERSIONS
- Malwarebytes 4 versions >= 4.6.14.326 | Component version 1.0.2348 , Update Package version >= 1.0.85245
- Malwarebytes 5 versions >= 5.1.5.116 | Component version 1.0.1252 , Update Package version >= 1.0.85245
- Nebula platform June 2024, Endpoint Agent version >= 2.0.0.64, Protection Service version >= 4.6.17.334
MITIGATION ADVICE
We recommend upgrading the affected endpoints to the patched versions.
DETAILS
| CWE | CVS 3.x | Vector |
| CWE-122: Heap-based Buffer Overflow | Low | Local |