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CVE-2023-3758

Sssd: race condition during authorization leads to gpo policies functioning inconsistently

No known exploitation. EPSS puts it in the 64th percentile. Fixed versions are out.

CVSS 3.17.1HighEPSS percentile64th1.0% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix5 products6 fixed builds listed below
Check it yourself

OpenVAS · 55 checks

e.g. OID 1.3.6.1.4.1.25623.1.0.127771

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Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Red Hat Enterprise Linux 8Fixed builds0:2.9.4-3.el8_10, 0:2.9.4-6.el9_4Stated by: CVE record
  • Red Hat Enterprise Linux 8.6 Extended Update SupportFixed builds0:2.6.2-4.el8_6.3Stated by: CVE record
  • Red Hat Enterprise Linux 8.8 Extended Update SupportFixed builds0:2.8.2-4.el8_8.2Stated by: CVE record
  • Red Hat Enterprise Linux 9.0 Extended Update SupportFixed builds0:2.6.2-4.el9_0.3Stated by: CVE record
  • Red Hat Enterprise Linux 9.2 Extended Update SupportFixed builds0:2.8.2-5.el9_2.4Stated by: CVE record

Versions as the sources state them. 7 more products have version data. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

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.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS64th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

1.0% chance of exploitation activity in the next 30 days, which ranks it in the 64th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

10 events over 933 days, from the signal feeds we watch.

  1. Patch availableworkaround available, record updated
  2. OpenVAS check added
  3. Patch availableworkaround available, record updated
  4. Publishedweakness classified, att&ck mapped

Affected products

And 26 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Scored 7.1 by NVD.

How it is reached

  • Attack Vector AdjacentRequires access to the local network (e.g. same Wi-Fi, Bluetooth)
  • Attack Complexity HighRequires specific conditions like a race condition or non-default configuration
  • Privileges Required LowRequires basic user-level privileges
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 17 more references. See all after sign-in

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