CVE-2018-5710
Published: 16 January 2018
An issue was discovered in MIT Kerberos 5 (aka krb5) through 1.16. The pre-defined function "strlen" is getting a "NULL" string as a parameter value in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in the Key Distribution Center (KDC), which allows remote authenticated users to cause a denial of service (NULL pointer dereference) via a modified kadmin client.
Notes
| Author | Note |
|---|---|
| ccdm94 | this CVE was patched as CVE-2018-5729. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
krb5 Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
| bionic |
Released
(1.16-2ubuntu0.1)
|
|
| cosmic |
Ignored
(end of life)
|
|
| disco |
Not vulnerable
(1.16.1-1)
|
|
| eoan |
Not vulnerable
(1.16.1-1)
|
|
| focal |
Not vulnerable
(1.17-6ubuntu4)
|
|
| groovy |
Not vulnerable
(1.16.1-1)
|
|
| hirsute |
Not vulnerable
(1.16.1-1)
|
|
| impish |
Not vulnerable
(1.18.3-6)
|
|
| jammy |
Not vulnerable
(1.19.2-2)
|
|
| trusty |
Released
(1.12+dfsg-2ubuntu5.4)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| upstream |
Released
(1.16.1)
|
|
| xenial |
Released
(1.13.2+dfsg-5ubuntu2.1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
|
Patches: upstream: https://github.com/krb5/krb5/commit/e1caf6fb74981da62039846931ebdffed71309d1 |
||
| Binaries built from this source package are in Universe and so are supported by the community. | ||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |