High [CVE-2023-4727] Ca: token authentication bypass vulnerability
This high-severity Red Hat Linux advisory covers CVE-2023-4727 affecting Red Hat Certificate System 10.4 EUS for RHEL-8, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published
Summary
A flaw was found in dogtag-pki and pki-core. The token authentication scheme can be bypassed with a LDAP injection.
By passing the query string parameter sessionID=*, an attacker can authenticate with an existing session saved in the LDAP directory server, which may lead to escalation of privilege. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
Weakness: CWE-305.
Affected Red Hat products: Red Hat Certificate System 10.4 EUS for RHEL-8; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Telecommunications Update Service; Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.6 Telecommunications Update Service; Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions; Red Hat Enterprise Linux 8.8 Extended Update Support; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.2 Extended Update Support; Red Hat Enterprise Linux 6.
Will not fix / out of support: Red Hat Enterprise Linux 6. Red Hat fixing advisory: RHSA-2024:4070, RHSA-2024:4222, RHSA-2024:4367, RHSA-2024:4164, RHSA-2024:4403, RHSA-2024:4179, RHSA-2024:4165, RHSA-2024:4413, RHSA-2024:4051.
Is CVE-2023-4727 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2023-4727 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2023-4727?
Upgrade to a fixed release named by Red Hat:
- redhat-pki:10-8060020240529205458.07fb4edf
- pki-core-0:10.5.18-32.el7_9
- pki-core:10.6-8100020240614102443.82f485b7
- pki-core:10.6-8040020240329193548.17df0a3f
- pki-core:10.6-8060020240329182634.60523a7b
- pki-core:10.6-8080020240329143735.693a3987
- pki-core-0:11.5.0-2.el9_4
- pki-core-0:11.0.6-3.el9_0
- pki-core-0:11.3.0-2.el9_2
- RHSA-2024:4070
- RHSA-2024:4222
- RHSA-2024:4367
6 more fixed releases are listed below.
Confirm against the vendor advisory before you patch.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
- redhat-pki:10-8060020240529205458.07fb4edf
- pki-core-0:10.5.18-32.el7_9
- pki-core:10.6-8100020240614102443.82f485b7
- pki-core:10.6-8040020240329193548.17df0a3f
- pki-core:10.6-8060020240329182634.60523a7b
- pki-core:10.6-8080020240329143735.693a3987
- pki-core-0:11.5.0-2.el9_4
- pki-core-0:11.0.6-3.el9_0
- pki-core-0:11.3.0-2.el9_2
- RHSA-2024:4070
- RHSA-2024:4222
- RHSA-2024:4367
- RHSA-2024:4164
- RHSA-2024:4403
- RHSA-2024:4179
- RHSA-2024:4165
- RHSA-2024:4413
- RHSA-2024:4051
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
Mitigation
Upgrade to a fixed release: redhat-pki:10-8060020240529205458.07fb4edf, pki-core-0:10.5.18-32.el7_9, pki-core:10.6-8100020240614102443.82f485b7, pki-core:10.6-8040020240329193548.17df0a3f, pki-core:10.6-8060020240329182634.60523a7b, pki-core:10.6-8080020240329143735.693a3987. That is the remediation for this advisory.
The vendor advisory may list interim mitigations or workarounds not captured here. Review it before change work.
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
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