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TI-2018-12362 Aliases CVE-2018-17336GHSA-wc77-2q7w-jfm4

UDisks 2.8.0 has a format string vulnerability in udisks_log in udiskslogging.c, allowing…

Priority LOW 35CWE-134Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 8 fixed, 1 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-134 and the CVSS impact.

Summary

UDisks 2.8.0 has a format string vulnerability in udisks_log in udiskslogging.c, allowing attackers to obtain sensitive information (stack contents), cause a denial of service (memory corruption), or possibly have unspecified other impact via a malformed filesystem label, as demonstrated by %d or %n substrings.

Why it matters now

EPSS 0.00622 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 1 advisoryRed Hat: 8 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:freedesktop:udisks:2.8.0:*:*:*:*:*:*:*2.8.0VulnerableFreedesktop
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
  • cpe:2.3:a:freedesktop:udisks:2.8.0:*:*:*:*:*:*:* Versions 2.8.0 Vulnerable ·Freedesktop
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical

Remediation

Red Hat 1 advisory

  • RHSA-2019:2178 Released 2019-08-06 · Red Hat rating Moderate
    udisks2 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) libudisks2-2.7.3-9.el7, udisks2-2.7.3-9.el7, udisks2-iscsi-2.7.3-9.el7 +2
    • Red Hat Enterprise Linux Client Optional (v. 7) libudisks2-devel-2.7.3-9.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) libudisks2-2.7.3-9.el7, udisks2-2.7.3-9.el7, udisks2-iscsi-2.7.3-9.el7 +2
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) libudisks2-devel-2.7.3-9.el7
    • Red Hat Enterprise Linux Server (v. 7) libudisks2-2.7.3-9.el7, libudisks2-2.7.3-9.el7.ppc, udisks2-2.7.3-9.el7 +3
    • Red Hat Enterprise Linux Server Optional (v. 7) libudisks2-devel-2.7.3-9.el7, libudisks2-devel-2.7.3-9.el7.ppc
    • Red Hat Enterprise Linux Workstation (v. 7) libudisks2-2.7.3-9.el7, udisks2-2.7.3-9.el7, udisks2-iscsi-2.7.3-9.el7 +2
    • Red Hat Enterprise Linux Workstation Optional (v. 7) libudisks2-devel-2.7.3-9.el7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2019:2178
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2019:2178
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2019:2178
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2019:2178
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:2178
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2019:2178
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2019:2178
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2019:2178
Not affected: 2 products
  • Red Hat Ceph Storage 2
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-17336
  2. 2026-10-03 Alias added: GHSA-wc77-2q7w-jfm4
  3. 2026-11-06 EPSS moved to the 50th–90th percentile

References

Exploit 1

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences