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CVE-2023-3758

Fedoraproject Sssd race condition

7.1 HIGHPublic exploitEPSS 1.03%
  1. Published18 Apr 2024

Description

A race condition flaw was found in sssd where the GPO policy is not consistently applied for authenticated users. This may lead to improper authorization issues, granting or denying access to resources inappropriately.

CVSS 3.1 breakdown

Attack vectorAdjacent
Attack complexityHigh
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Fedoraproject Sssd< 2.9.5
Redhat Codeready Linux Builder8.0
Redhat Codeready Linux Builder Eus8.6 · 8.8 · 9.0 · 9.2
Redhat Codeready Linux Builder For Arm648.0_aarch64
Redhat Codeready Linux Builder For Arm64 Eus8.6_aarch64 · 8.8_aarch64 · 9.0_aarch64 · 9.2_aarch64
Redhat Codeready Linux Builder For Ibm Z Systems8.0_s390x
Redhat Codeready Linux Builder For Ibm Z Systems Eus8.6_s390x · 8.8_s390x · 9.0_s390x · 9.2_s390x
Redhat Codeready Linux Builder For Power Little Endian8.0_ppc64le
Redhat Codeready Linux Builder For Power Little Endian Eus8.6_ppc64le · 8.8_ppc64le · 9.0_ppc64le · 9.2_ppc64le
Redhat Virtualization Host4.0
Fedoraproject Fedora38 · 39 · 40
Redhat Enterprise Linux8.0
Redhat Enterprise Linux Eus8.6 · 8.8 · 9.0 · 9.2
Redhat Enterprise Linux For Arm 648.0_aarch64
Redhat Enterprise Linux For Arm 64 Eus8.6_aarch64 · 8.8_aarch64 · 9.0_aarch64 · 9.2_aarch64
Redhat Enterprise Linux For Ibm Z Systems8.0_s390x
Redhat Enterprise Linux For Ibm Z Systems Eus8.6_s390x · 8.8_s390x · 9.0_s390x · 9.2_s390x
Redhat Enterprise Linux For Power Little Endian8.0_ppc64le
Redhat Enterprise Linux For Power Little Endian Eus8.6_ppc64le · 8.8_ppc64le · 9.0_ppc64le · 9.2_ppc64le
Redhat Enterprise Linux Server Aus8.6 · 9.2 · 9.4 · 9.6
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions8.6_ppc64le · 8.8_ppc64le · 9.0_ppc64le · 9.2_ppc64le
Redhat Enterprise Linux Server Tus8.6 · 8.8
Redhat Enterprise Linux Update Services For Sap Solutions8.6 · 8.8 · 9.0 · 9.2

Remediation

Fixed in
Fedoraproject Sssd≥ 2.9.5

References

and 3 more references

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Frequently asked

Is CVE-2023-3758 being actively exploited?

CVE-2023-3758 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.03%.

How severe is CVE-2023-3758?

CVE-2023-3758 has a CVSS 3.1 base score of 7.1, rated high. EPSS estimates a 1.03% probability of exploitation.

Which products are affected by CVE-2023-3758?

Affected products include Fedoraproject Sssd, Redhat Codeready Linux Builder, Redhat Codeready Linux Builder Eus, Redhat Codeready Linux Builder For Arm64, Redhat Codeready Linux Builder For Arm64 Eus, and 18 more.

How do I fix CVE-2023-3758?

Upgrade affected software to a fixed version, for example Fedoraproject Sssd 2.9.5 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-3758 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.