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.
Products affected by CVE-2018-15503
- cpe:2.3:a:swoole:swoole:4.0.4:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-15503
0.27%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 64 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-15503
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-15503
-
The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-15503
-
https://github.com/swoole/swoole-src/issues/1882
SIGSEGV in Swoole unpack() function · Issue #1882 · swoole/swoole-src · GitHubIssue Tracking;Vendor Advisory
-
https://x-c3ll.github.io/posts/swoole-deserialization-cve-2018-15503/
Vulnerability in Swoole PHP extension [CVE-2018-15503] :: DoomsDay VaultTechnical Description;Third Party Advisory
-
https://github.com/swoole/swoole-src/commit/4cdbce5d9bf2fe596bb6acd7d6611f9e8c253a76
add buffer end check · swoole/swoole-src@4cdbce5 · GitHubPatch;Vendor Advisory
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