- Vulnerability/
- USN-3895-1
USN-3895-1: LDB vulnerability
First published: Tue Feb 26 2019(Updated: )
It was discovered that LDB incorrectly handled certain search expressions. A remote attacker could possibly use this issue to cause the Samba LDAP process to crash, resulting in a denial of service.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/libldb1 | <2:1.4.0+really1.3.5-2ubuntu0.1 | 2:1.4.0+really1.3.5-2ubuntu0.1 |
| Ubuntu OpenSSH Client | =18.10 | |
| All of | ||
| ubuntu/libldb1 | <2:1.2.3-1ubuntu0.1 | 2:1.2.3-1ubuntu0.1 |
| Ubuntu OpenSSH Client | =18.04 | |
| All of | ||
| ubuntu/libldb1 | <2:1.1.24-1ubuntu3.1 | 2:1.1.24-1ubuntu3.1 |
| Ubuntu OpenSSH Client | =16.04 | |
| All of | ||
| ubuntu/libldb1 | <1:1.1.24-0ubuntu0.14.04.2 | 1:1.1.24-0ubuntu0.14.04.2 |
| Ubuntu OpenSSH Client | =14.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2019-3824
- https://launchpad.net/ubuntu/+source/ldb/2:1.4.0+really1.3.5-2ubuntu0.1
- https://launchpad.net/ubuntu/+source/ldb/2:1.2.3-1ubuntu0.1
- https://launchpad.net/ubuntu/+source/ldb/2:1.1.24-1ubuntu3.1
- https://launchpad.net/ubuntu/+source/ldb/1:1.1.24-0ubuntu0.14.04.2
- https://ubuntu.com/security/notices/USN-3895-1 (Advisory)
Frequently Asked Questions
What is the severity of USN-3895-1?
The severity of USN-3895-1 is classified as a denial of service vulnerability.
How do I fix USN-3895-1?
To fix USN-3895-1, it is recommended to upgrade the 'libldb1' package to the latest secure version available for your Ubuntu release.
Which Ubuntu versions are affected by USN-3895-1?
USN-3895-1 affects Ubuntu versions 14.04, 16.04, 18.04, and 18.10.
What kind of attack can exploit USN-3895-1?
A remote attacker can exploit USN-3895-1 to send crafted search expressions that may cause the Samba LDAP process to crash.
What is the impact of USN-3895-1?
The impact of USN-3895-1 includes a denial of service, which could result in the unavailability of the Samba LDAP service.
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- agent/last-modified-date
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- agent/first-publish-date
- agent/type
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- agent/tags
- agent/softwarecombine
- collector/usn
- source/Ubuntu
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- package-manager/ubuntu
- vendor/ubuntu
- canonical/ubuntu openssh client
- version/ubuntu openssh client/18.10
- version/ubuntu openssh client/18.04
- version/ubuntu openssh client/16.04
- version/ubuntu openssh client/14.04