Rapid7 Vulnerability & Exploit Database

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

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

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

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;