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Ubuntu: USN-5508-1 (CVE-2021-46823): Python LDAP vulnerability

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Ubuntu: USN-5508-1 (CVE-2021-46823): Python LDAP vulnerability

Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
Published
06/18/2022
Created
03/29/2023
Added
03/22/2023
Modified
03/22/2023

Description

python-ldap before 3.4.0 is vulnerable to a denial of service when ldap.schema is used for untrusted schema definitions, because of a regular expression denial of service (ReDoS) flaw in the LDAP schema parser. By sending crafted regex input, a remote authenticated attacker could exploit this vulnerability to cause a denial of service condition.

Solution(s)

  • ubuntu-upgrade-python-ldap
  • ubuntu-upgrade-python-pyldap
  • ubuntu-upgrade-python3-ldap
  • ubuntu-upgrade-python3-pyldap

References

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