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FreeBSD: VID-1F6D97DA-8F72-11EB-B3F1-005056A311D1 (CVE-2020-27840): samba -- Multiple Vulnerabilities

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FreeBSD: VID-1F6D97DA-8F72-11EB-B3F1-005056A311D1 (CVE-2020-27840): samba -- Multiple Vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
03/24/2021
Created
03/30/2021
Added
03/28/2021
Modified
06/03/2021

Description

Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.

From VID-1F6D97DA-8F72-11EB-B3F1-005056A311D1:

The Samba Team reports:

CVE-2020-27840: An anonymous attacker can crash the Samba AD DC

LDAP server by sending easily crafted DNs as

part of a bind request. More serious heap corruption

is likely also possible.

CVE-2021-20277: User-controlled LDAP filter strings against

the AD DC LDAP server may crash the LDAP server.

Solution(s)

  • freebsd-upgrade-package-samba411
  • freebsd-upgrade-package-samba412
  • freebsd-upgrade-package-samba413
  • freebsd-upgrade-package-samba414

References

  • CVE-2020-27840
  • USN-4888-1
  • USN-4888-2

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