Sudo: improper handling of ipa_hostname leads to privilege mismanagement
CVE-2023-7090

8.8HIGH

Key Information:

Vendor
Red Hat
Status
Sudo
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
23 December 2023

Summary

A vulnerability exists in the Sudo utility, stemming from improper handling of the ipa_hostname setting in the /etc/sssd/sssd.conf file. This flaw can result in a scenario where client hosts retain elevated privileges even after they have been revoked, leading to significant security risks. Applications relying on Sudo for permission management may inadvertently permit unauthorized access, endangering system integrity and user data.

Affected Version(s)

sudo 1.8.28

References

https://access.redhat.com/security/cve/CVE-2023-7090
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2255723
issue-trackingx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2024/02/msg0...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This issue was discovered by Mohammad Tausif Siddiqui (Red Hat Product Security).
.