CVE-2015-8631
krb5: Memory leak caused by supplying a null principal name in request
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Multiple memory leaks in kadmin/server/server_stubs.c in kadmind in MIT Kerberos 5 (aka krb5) before 1.13.4 and 1.14.x before 1.14.1 allow remote authenticated users to cause a denial of service (memory consumption) via a request specifying a NULL principal name.
Múltiples pérdidas de memoria en kadmin/server/server_stubs.c en kadmind en MIT Kerberos 5 (también conocido como krb5) en versiones anteriores a 1.13.4 y 1.14.x en versiones anteriores a 1.14.1 permiten a usuarios remotos autenticados causar una denegación de servicio (consumo de memoria) a través de una solicitud especificando un nombre principal NULL.
A memory leak flaw was found in the krb5_unparse_name() function of the MIT Kerberos kadmind service. An authenticated attacker could repeatedly send specially crafted requests to the server, which could cause the server to consume large amounts of memory resources, ultimately leading to a denial of service due to memory exhaustion.
*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
- 2015-12-23 CVE Reserved
- 2016-02-05 CVE Published
- 2023-12-05 EPSS Updated
- 2024-08-06 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-401: Missing Release of Memory after Effective Lifetime
- CWE-772: Missing Release of Resource after Effective Lifetime
CAPEC
References (11)
| URL | Tag | Source |
|---|---|---|
| http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html | Third Party Advisory |
|
| http://www.securitytracker.com/id/1034916 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/krb5/krb5/commit/83ed75feba32e46f736fcce0d96a0445f29b96c2 | 2021-02-02 |
| URL | Date | SRC |
|---|---|---|
| http://krbdev.mit.edu/rt/Ticket/Display.html?id=8343 | 2021-02-02 | |
| http://lists.opensuse.org/opensuse-updates/2016-02/msg00059.html | 2021-02-02 | |
| http://lists.opensuse.org/opensuse-updates/2016-02/msg00110.html | 2021-02-02 | |
| http://rhn.redhat.com/errata/RHSA-2016-0493.html | 2021-02-02 | |
| http://rhn.redhat.com/errata/RHSA-2016-0532.html | 2021-02-02 | |
| http://www.debian.org/security/2016/dsa-3466 | 2021-02-02 | |
| https://access.redhat.com/security/cve/CVE-2015-8631 | 2016-03-31 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1302642 | 2016-03-31 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Mit Search vendor "Mit" | Kerberos 5 Search vendor "Mit" for product "Kerberos 5" | < 1.13.4 Search vendor "Mit" for product "Kerberos 5" and version " < 1.13.4" | - |
Affected
| ||||||
| Mit Search vendor "Mit" | Kerberos 5 Search vendor "Mit" for product "Kerberos 5" | >= 1.14 < 1.14.1 Search vendor "Mit" for product "Kerberos 5" and version " >= 1.14 < 1.14.1" | - |
Affected
| ||||||
| Opensuse Search vendor "Opensuse" | Leap Search vendor "Opensuse" for product "Leap" | 42.1 Search vendor "Opensuse" for product "Leap" and version "42.1" | - |
Affected
| ||||||
| Opensuse Search vendor "Opensuse" | Opensuse Search vendor "Opensuse" for product "Opensuse" | 13.2 Search vendor "Opensuse" for product "Opensuse" and version "13.2" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 7.0 Search vendor "Debian" for product "Debian Linux" and version "7.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop" | 6.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "6.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop" | 7.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus" | 6.7 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "6.7" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus" | 7.2 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "7.2" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus" | 7.3 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "7.3" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus" | 7.4 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "7.4" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus" | 7.5 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "7.5" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus" | 7.6 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "7.6" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus" | 7.7 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "7.7" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server" | 6.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "6.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server" | 7.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus" | 7.2 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.2" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus" | 7.3 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.3" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus" | 7.4 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.4" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus" | 7.6 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.6" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus" | 7.7 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.7" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus" | 7.2 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.2" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus" | 7.3 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.3" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus" | 7.6 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.6" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus" | 7.7 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.7" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation" | 6.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "6.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation" | 7.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Linux Search vendor "Oracle" for product "Linux" | 6 Search vendor "Oracle" for product "Linux" and version "6" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Linux Search vendor "Oracle" for product "Linux" | 7 Search vendor "Oracle" for product "Linux" and version "7" | - |
Affected
| ||||||