CVE-2012-3440
sudo: insecure temporary file use in RPM %postun script
Severity Score
5.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A certain Red Hat script for sudo 1.7.2 on Red Hat Enterprise Linux (RHEL) 5 allows local users to overwrite arbitrary files via a symlink attack on the /var/tmp/nsswitch.conf.bak temporary file.
Una secuencia de comandos seguro de Red Hat para sudo v1.7.2 sobre Red Hat Enterprise Linux (RHEL) v5 permite a usuarios locales sobreescribir ficheros arbitrarios mediante un ataque de enlace simbólico en el directorio temporal /var/tmp/nsswitch.conf.bak
*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
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2012-06-14 CVE Reserved
- 2012-08-08 CVE Published
- 2024-08-06 CVE Updated
- 2024-08-06 First Exploit
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-59: Improper Link Resolution Before File Access ('Link Following')
- CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html | X_refsource_confirm |
|
| http://www.securityfocus.com/bid/54868 | Vdb Entry |
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=844442 | 2024-08-06 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2012-3440 | 2012-08-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Todd Miller Search vendor "Todd Miller" | Sudo Search vendor "Todd Miller" for product "Sudo" | 1.7.2 Search vendor "Todd Miller" for product "Sudo" and version "1.7.2" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 5 Search vendor "Redhat" for product "Enterprise Linux" and version "5" | - |
Affected
| ||||||