CVE-2017-18640
snakeyaml: Billion laughs attack via alias feature
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
2
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
The Alias feature in SnakeYAML before 1.26 allows entity expansion during a load operation, a related issue to CVE-2003-1564.
La función Alias en SnakeYAML antes de la versión 1.26 permite la expansión de entidades durante una operación de carga, un problema relacionado con CVE-2003-1564
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2019-12-12 CVE Reserved
- 2019-12-12 CVE Published
- 2023-11-08 EPSS Updated
- 2024-08-05 CVE Updated
- 2024-08-05 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-122: Heap-based Buffer Overflow
- CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
CAPEC
References (61)
| URL | Date | SRC |
|---|---|---|
| https://bitbucket.org/asomov/snakeyaml/issues/377/allow-configuration-for-preventing-billion | 2024-08-05 | |
| https://bitbucket.org/snakeyaml/snakeyaml/issues/377 | 2024-08-05 |
| URL | Date | SRC |
|---|---|---|
| https://www.oracle.com/security-alerts/cpuApr2021.html | 2023-11-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Snakeyaml Project Search vendor "Snakeyaml Project" | Snakeyaml Search vendor "Snakeyaml Project" for product "Snakeyaml" | < 1.26 Search vendor "Snakeyaml Project" for product "Snakeyaml" and version " < 1.26" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 31 Search vendor "Fedoraproject" for product "Fedora" and version "31" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 32 Search vendor "Fedoraproject" for product "Fedora" and version "32" | - |
Affected
| ||||||
| Quarkus Search vendor "Quarkus" | Quarkus Search vendor "Quarkus" for product "Quarkus" | <= 1.3.4 Search vendor "Quarkus" for product "Quarkus" and version " <= 1.3.4" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Peoplesoft Enterprise Pt Peopletools Search vendor "Oracle" for product "Peoplesoft Enterprise Pt Peopletools" | 8.56 Search vendor "Oracle" for product "Peoplesoft Enterprise Pt Peopletools" and version "8.56" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Peoplesoft Enterprise Pt Peopletools Search vendor "Oracle" for product "Peoplesoft Enterprise Pt Peopletools" | 8.57 Search vendor "Oracle" for product "Peoplesoft Enterprise Pt Peopletools" and version "8.57" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Peoplesoft Enterprise Pt Peopletools Search vendor "Oracle" for product "Peoplesoft Enterprise Pt Peopletools" | 8.58 Search vendor "Oracle" for product "Peoplesoft Enterprise Pt Peopletools" and version "8.58" | - |
Affected
| ||||||