USN-3827-1: Samba vulnerabilities
Florian Stuelpner discovered that Samba incorrectly handled CNAME records. A remote attacker could use this issue to cause Samba to crash, resulting in a denial of service. (CVE-2018-14629) Alex MacCuish discovered that Samba incorrectly handled memory when configured to accept smart-card authentication. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. (CVE-2018-16841) Garming Sam discovered that Samba incorrectly handled memory when processing LDAP searches. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. (CVE-2018-16851)
Affected Software
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
What is the severity of USN-3827-1?
The severity of USN-3827-1 is high due to the potential for denial of service attacks.
How do I fix USN-3827-1?
To fix USN-3827-1, update Samba to the patched versions provided in the advisory for your Ubuntu release.
What versions of Samba are affected by USN-3827-1?
USN-3827-1 affects Samba versions prior to 2:4.8.4+dfsg-2ubuntu2.1, 2:4.7.6+dfsg~ubuntu-0ubuntu2.5, and 2:4.3.11+dfsg-0ubuntu0.16.04.18.
Can USN-3827-1 be exploited remotely?
Yes, USN-3827-1 can potentially be exploited by remote attackers to crash the Samba service.
What distributions are impacted by USN-3827-1?
USN-3827-1 impacts Ubuntu versions 14.04, 16.04, 18.04, and 18.10.