CVE-2012-4522
ruby: unintentional file creation caused by inserting an illegal NUL character
Severity Score
9.1
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
The rb_get_path_check function in file.c in Ruby 1.9.3 before patchlevel 286 and Ruby 2.0.0 before r37163 allows context-dependent attackers to create files in unexpected locations or with unexpected names via a NUL byte in a file path.
La función rb_get_path_check en file.c en Ruby v1.9.3 anterior a patchlevel 286 y Ruby v2.0.0 anterior a r37163 permite a atacantes dependientes de contexto crear archivos en ubicaciones inesperadas o con nombres inesperados a través de un byte NUL en una ruta de archivo.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
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
- 2012-08-21 CVE Reserved
- 2012-11-24 CVE Published
- 2024-08-06 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-264: Permissions, Privileges, and Access Controls
- CWE-626: Null Byte Interaction Error (Poison Null Byte)
CAPEC
References (10)
| URL | Tag | Source |
|---|---|---|
| http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=37163 | X_refsource_misc | |
| http://www.openwall.com/lists/oss-security/2012/10/12/6 | Mailing List |
|
| http://www.openwall.com/lists/oss-security/2012/10/13/1 | Mailing List |
|
| http://www.openwall.com/lists/oss-security/2012/10/16/1 | Mailing List |
|
| http://www.ruby-lang.org/en/news/2012/10/12/poisoned-NUL-byte-vulnerability | X_refsource_confirm |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Ruby-lang Search vendor "Ruby-lang" | Ruby Search vendor "Ruby-lang" for product "Ruby" | 1.9.3 Search vendor "Ruby-lang" for product "Ruby" and version "1.9.3" | - |
Affected
| ||||||
| Ruby-lang Search vendor "Ruby-lang" | Ruby Search vendor "Ruby-lang" for product "Ruby" | 2.0.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.0.0" | - |
Affected
| ||||||