drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in ldb
Name: |
Zwei Probleme in ldb |
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ID: |
USN-4888-1 |
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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: |
Mi, 24. März 2021, 21:41 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27840
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20277 |
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Applikationen: |
Samba |
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Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============5286353761319178212== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="M0eBnGBWQsC35fTRA77kLTB5R5TKBeuFI"
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --M0eBnGBWQsC35fTRA77kLTB5R5TKBeuFI Content-Type: multipart/mixed; boundary="N5buqU9dd3jGm6fOkzY741IvpoaAbF6wa"; protected-headers="v1" From: Marc Deslauriers <marc.deslauriers@canonical.com> Reply-To: Ubuntu Security <security@ubuntu.com> To: "ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com> Message-ID: <6631e251-3609-1498-090c-371ced49374f@canonical.com> Subject: [USN-4888-1] ldb vulnerabilities
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========================================================================== Ubuntu Security Notice USN-4888-1 March 24, 2021
ldb vulnerabilities ==========================================================================
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:
Several security issues were fixed in ldb.
Software Description: - ldb: None
Details:
Douglas Bagnall discovered that ldb, when used with Samba, incorrectly handled certain LDAP attributes. A remote attacker could possibly use this issue to cause the LDAP server to crash, resulting in a denial of service. (CVE-2021-20277)
Douglas Bagnall discovered that ldb, when used with Samba, incorrectly handled certain DN strings. A remote attacker could use this issue to cause the LDAP server to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-27840)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.10: libldb2 2:2.1.4-2ubuntu0.1
Ubuntu 20.04 LTS: libldb2 2:2.0.10-0ubuntu0.20.04.3
Ubuntu 18.04 LTS: libldb1 2:1.2.3-1ubuntu0.2
Ubuntu 16.04 LTS: libldb1 2:1.1.24-1ubuntu3.2
After a standard system update you need to restart applications using ldb, such as Samba, to make all the necessary changes.
References: https://ubuntu.com/security/notices/USN-4888-1 CVE-2020-27840, CVE-2021-20277
Package Information: https://launchpad.net/ubuntu/+source/ldb/2:2.1.4-2ubuntu0.1 https://launchpad.net/ubuntu/+source/ldb/2:2.0.10-0ubuntu0.20.04.3 https://launchpad.net/ubuntu/+source/ldb/2:1.2.3-1ubuntu0.2 https://launchpad.net/ubuntu/+source/ldb/2:1.1.24-1ubuntu3.2
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