CVE-2023-7090: Sudo: improper handling of ipa_hostname leads to privilege mismanagement
First published: Sat Dec 23 2023(Updated: )
A flaw was found in sudo in the handling of ipa_hostname, where ipa_hostname from /etc/sssd/sssd.conf was not propagated in sudo. Therefore, it leads to privilege mismanagement vulnerability in applications, where client hosts retain privileges even after retracting them.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/sudo | <1.8.28 | 1.8.28 |
| Sudo | <1.8.28 |
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Reference Links
- https://github.com/sudo-project/sudo/commit/e99082e05b9f0dd0e0f47fa1d2e1b9d922ea8c4c
- https://www.sudo.ws/repos/sudo/rev/b4f31dbe3109
- https://www.sudo.ws/releases/legacy/#1.8.28
- https://access.redhat.com/errata/RHBA-2019:3598
- https://sudo.ws/pipermail/sudo-workers/2019-August/001248.html
- https://sudo.ws/pipermail/sudo-workers/2019-August/001249.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2255723
- https://access.redhat.com/security/cve/CVE-2023-7090
- https://lists.debian.org/debian-lts-announce/2024/02/msg00002.html
- https://security.netapp.com/advisory/ntap-20240208-0001/
Frequently Asked Questions
What is the severity of CVE-2023-7090?
CVE-2023-7090 has a significant severity rating due to its impact on privilege mismanagement.
How do I fix CVE-2023-7090?
To resolve CVE-2023-7090, users should upgrade to sudo version 1.8.28 or later.
What causes the CVE-2023-7090 vulnerability?
CVE-2023-7090 is caused by improper handling of the ipa_hostname in sudo, leading to privilege retention issues.
Who is affected by CVE-2023-7090?
Users of sudo versions prior to 1.8.28 are vulnerable to CVE-2023-7090.
Is there a workaround for CVE-2023-7090?
There are no documented workarounds for CVE-2023-7090; upgrading is the recommended solution.
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