CVE-2018-15503

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2018-15503
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-08-18T02:29:01
  • Last Modified Date
  • 2018-11-08T20:49:48
Weakness Enumerations
CWE URL
CWE-502 http://cwe.mitre.org/data/definitions/502.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:swoole:swoole:4.0.4:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/swoole/swoole-src/issues/1882 Issue Tracking Vendor Advisory
https://github.com/swoole/swoole-src/commit/4cdbce5d9bf2fe596bb6acd7d6611f9e8c253a76 Patch Vendor Advisory
https://x-c3ll.github.io/posts/swoole-deserialization-cve-2018-15503/ Technical Description Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-15503
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15503
History
Created Old Value New Value Data Type Notes
2022-05-10 17:53:26 Added to TrackCVE
2022-12-03 11:17:04 2018-08-18T02:29Z 2018-08-18T02:29:01 CVE Published Date updated
2022-12-03 11:17:04 2018-11-08T20:49:48 CVE Modified Date updated
2022-12-03 11:17:04 Analyzed Vulnerability Status updated