CVE-2012-1015
krb5: KDC daemon crash via free() of an uninitialized pointer
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
The kdc_handle_protected_negotiation function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x before 1.9.5, and 1.10.x before 1.10.3 attempts to calculate a checksum before verifying that the key type is appropriate for a checksum, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized pointer free, heap memory corruption, and daemon crash) via a crafted AS-REQ request.
La función kdc_handle_protected_negotiation en Key Distribution Center (KDC) en MIT Kerberos 5 (también conocido como krb5) v1.8.x, v1.9.x anteriores a v1.9.5, y v1.10.x anteriores a v1.10.3 intenta calcula el "checksum" antes de verificar que el tipo de contraseña es apropiado para el "checksum", lo que permite a atacantes remotos ejecutar código o provocar una denegación de servicio (liberación de puntero no inicializado, corrupción de memoria dinámica y caída del demonio) a través de una petición AS-REQ.
Multiple vulnerabilities have been discovered in MIT Kerberos 5, allowing execution of arbitrary code or Denial of Service. Versions less than 1.11.4 are affected.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2012-02-07 CVE Reserved
- 2012-08-06 CVE Published
- 2024-08-06 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
CAPEC
References (7)
URL | Tag | Source |
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URL | Date | SRC |
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URL | Date | SRC |
---|---|---|
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2012-001.txt | 2020-01-21 |
URL | Date | SRC |
---|---|---|
http://lists.opensuse.org/opensuse-updates/2012-08/msg00016.html | 2020-01-21 | |
http://rhn.redhat.com/errata/RHSA-2012-1131.html | 2020-01-21 | |
http://www.debian.org/security/2012/dsa-2518 | 2020-01-21 | |
http://www.mandriva.com/security/advisories?name=MDVSA-2012:120 | 2020-01-21 | |
https://access.redhat.com/security/cve/CVE-2012-1015 | 2012-07-31 | |
https://bugzilla.redhat.com/show_bug.cgi?id=838012 | 2012-07-31 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
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Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Mit Search vendor "Mit" | Kerberos 5 Search vendor "Mit" for product "Kerberos 5" | 1.8 Search vendor "Mit" for product "Kerberos 5" and version "1.8" | - |
Affected
| ||||||
Mit Search vendor "Mit" | Kerberos 5 Search vendor "Mit" for product "Kerberos 5" | 1.8.1 Search vendor "Mit" for product "Kerberos 5" and version "1.8.1" | - |
Affected
| ||||||
Mit Search vendor "Mit" | Kerberos 5 Search vendor "Mit" for product "Kerberos 5" | 1.8.2 Search vendor "Mit" for product "Kerberos 5" and version "1.8.2" | - |
Affected
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Mit Search vendor "Mit" | Kerberos 5 Search vendor "Mit" for product "Kerberos 5" | 1.8.3 Search vendor "Mit" for product "Kerberos 5" and version "1.8.3" | - |
Affected
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Mit Search vendor "Mit" | Kerberos 5 Search vendor "Mit" for product "Kerberos 5" | 1.8.4 Search vendor "Mit" for product "Kerberos 5" and version "1.8.4" | - |
Affected
| ||||||
Mit Search vendor "Mit" | Kerberos 5 Search vendor "Mit" for product "Kerberos 5" | 1.8.5 Search vendor "Mit" for product "Kerberos 5" and version "1.8.5" | - |
Affected
| ||||||
Mit Search vendor "Mit" | Kerberos 5 Search vendor "Mit" for product "Kerberos 5" | 1.8.6 Search vendor "Mit" for product "Kerberos 5" and version "1.8.6" | - |
Affected
| ||||||
Mit Search vendor "Mit" | Kerberos 5 Search vendor "Mit" for product "Kerberos 5" | 1.9.4 Search vendor "Mit" for product "Kerberos 5" and version "1.9.4" | - |
Affected
| ||||||
Mit Search vendor "Mit" | Kerberos 5 Search vendor "Mit" for product "Kerberos 5" | 1.10 Search vendor "Mit" for product "Kerberos 5" and version "1.10" | - |
Affected
| ||||||
Mit Search vendor "Mit" | Kerberos 5 Search vendor "Mit" for product "Kerberos 5" | 1.10.1 Search vendor "Mit" for product "Kerberos 5" and version "1.10.1" | - |
Affected
| ||||||
Mit Search vendor "Mit" | Kerberos 5 Search vendor "Mit" for product "Kerberos 5" | 1.10.2 Search vendor "Mit" for product "Kerberos 5" and version "1.10.2" | - |
Affected
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