drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in OpenLDAP
Name: |
Denial of Service in OpenLDAP |
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ID: |
USN-4744-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 20.10 |
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Datum: |
Mo, 22. Februar 2021, 22:10 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27212 |
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Applikationen: |
OpenLDAP |
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Originalnachricht |
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --u8VZ5VN04TaWRfljP30qT5KEi261SgmAR Content-Type: multipart/mixed; boundary="S8eaaAfSbYZoxlIHY5ZKVFYgsyptx164H"; protected-headers="v1" From: Marc Deslauriers <marc.deslauriers@canonical.com> To: "ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com> Message-ID: <add7e484-9571-12b6-2d46-f754bb801651@canonical.com> Subject: [USN-4744-1] OpenLDAP vulnerability
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========================================================================== Ubuntu Security Notice USN-4744-1 February 22, 2021
openldap vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS
Summary:
OpenLDAP could be made to crash if it received specially crafted network traffic.
Software Description: - openldap: Lightweight Directory Access Protocol
Details:
Pasi Saarinen discovered that OpenLDAP incorrectly handled certain short timestamps. A remote attacker could possibly use this issue to cause OpenLDAP to crash, resulting in a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.10: slapd 2.4.53+dfsg-1ubuntu1.4
Ubuntu 20.04 LTS: slapd 2.4.49+dfsg-2ubuntu1.7
Ubuntu 18.04 LTS: slapd 2.4.45+dfsg-1ubuntu1.10
Ubuntu 16.04 LTS: slapd 2.4.42+dfsg-2ubuntu3.13
In general, a standard system update will make all the necessary changes.
References: https://usn.ubuntu.com/4744-1 CVE-2021-27212
Package Information: https://launchpad.net/ubuntu/+source/openldap/2.4.53+dfsg-1ubuntu1.4 https://launchpad.net/ubuntu/+source/openldap/2.4.49+dfsg-2ubuntu1.7 https://launchpad.net/ubuntu/+source/openldap/2.4.45+dfsg-1ubuntu1.10 https://launchpad.net/ubuntu/+source/openldap/2.4.42+dfsg-2ubuntu3.13
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