Vulnerability Details CVE-2018-15503
The unpack implementation in Swoole version 4.0.4 lacks correct size checks in the deserialization process. An attacker can craft a serialized object to exploit this vulnerability and cause a SEGV.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.015
EPSS Ranking 80.4%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://github.com/swoole/swoole-src/commit/4cdbce5d9bf2fe596bb6acd7d6611f9e8c253a76
- https://github.com/swoole/swoole-src/issues/1882
- https://x-c3ll.github.io/posts/swoole-deserialization-cve-2018-15503/
- https://github.com/swoole/swoole-src/commit/4cdbce5d9bf2fe596bb6acd7d6611f9e8c253a76
- https://github.com/swoole/swoole-src/issues/1882
- https://x-c3ll.github.io/posts/swoole-deserialization-cve-2018-15503/