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TI-2015-02873 Aliases CVE-2015-3245GHSA-q4h8-6f3r-mvww

Incomplete blacklist vulnerability in the chfn function in libuser before 0.56.13-8 and…

Priority LOW 20CWE-20Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
Partial Red Hat: 16 fixed, 1 without a fix

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

Incomplete blacklist vulnerability in the chfn function in libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, allows local users to cause a denial of service (/etc/passwd corruption) via a newline character in the GECOS field.

Why it matters now

EPSS 0.05391 92nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix Partial Red Hat: 2 advisoriesRed Hat: 16 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 · 7

CPEVersionsRoleVendor
cpe:2.3:a:redhat:libuser:*:*:*:*:*:*:*:*up to 0.56.13-5VulnerableRed Hat
cpe:2.3:a:redhat:libuser:0.60-1:*:*:*:*:*:*:*0.60-1VulnerableRed Hat
cpe:2.3:a:redhat:libuser:0.60-2:*:*:*:*:*:*:*0.60-2VulnerableRed Hat
cpe:2.3:a:redhat:libuser:0.60-3:*:*:*:*:*:*:*0.60-3VulnerableRed Hat
cpe:2.3:a:redhat:libuser:0.60-4:*:*:*:*:*:*:*0.60-4VulnerableRed Hat
cpe:2.3:a:redhat:libuser:0.60-5:*:*:*:*:*:*:*0.60-5VulnerableRed Hat
cpe:2.3:a:redhat:libuser:0.60-6:*:*:*:*:*:*:*0.60-6VulnerableRed Hat
  • cpe:2.3:a:redhat:libuser:*:*:*:*:*:*:*:* Versions up to 0.56.13-5 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libuser:0.60-1:*:*:*:*:*:*:* Versions 0.60-1 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libuser:0.60-2:*:*:*:*:*:*:* Versions 0.60-2 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libuser:0.60-3:*:*:*:*:*:*:* Versions 0.60-3 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libuser:0.60-4:*:*:*:*:*:*:* Versions 0.60-4 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libuser:0.60-5:*:*:*:*:*:*:* Versions 0.60-5 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:libuser:0.60-6:*:*:*:*:*:*:* Versions 0.60-6 Vulnerable ·Red Hat

Remediation

Red Hat 2 advisories

  • RHSA-2015:1483 Released 2015-07-23 · Red Hat rating Important
    libuser security update
    • Red Hat Enterprise Linux Client (v. 7) libuser-0.60-7.el7_1, libuser-python-0.60-7.el7_1
    • Red Hat Enterprise Linux Client Optional (v. 7) libuser-devel-0.60-7.el7_1
    • Red Hat Enterprise Linux ComputeNode (v. 7) libuser-0.60-7.el7_1, libuser-python-0.60-7.el7_1
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) libuser-devel-0.60-7.el7_1
    • Red Hat Enterprise Linux Server (v. 7) libuser-0.60-7.ael7b_1, libuser-0.60-7.el7_1, libuser-0.60-7.el7_1.ppc +2
    • Red Hat Enterprise Linux Server Optional (v. 7) libuser-devel-0.60-7.ael7b_1, libuser-devel-0.60-7.el7_1, libuser-devel-0.60-7.el7_1.ppc
    • Red Hat Enterprise Linux Workstation (v. 7) libuser-0.60-7.el7_1, libuser-python-0.60-7.el7_1
    • Red Hat Enterprise Linux Workstation Optional (v. 7) libuser-devel-0.60-7.el7_1
  • RHSA-2015:1482 Released 2015-07-23 · Red Hat rating Important
    libuser security update
    • Red Hat Enterprise Linux Desktop (v. 6) libuser-0.56.13-8.el6_7, libuser-python-0.56.13-8.el6_7
    • Red Hat Enterprise Linux Desktop Optional (v. 6) libuser-devel-0.56.13-8.el6_7
    • Red Hat Enterprise Linux HPC Node (v. 6) libuser-0.56.13-8.el6_7, libuser-python-0.56.13-8.el6_7
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) libuser-devel-0.56.13-8.el6_7
    • Red Hat Enterprise Linux Server (v. 6) libuser-0.56.13-8.el6_7, libuser-0.56.13-8.el6_7.ppc, libuser-python-0.56.13-8.el6_7
    • Red Hat Enterprise Linux Server Optional (v. 6) libuser-devel-0.56.13-8.el6_7, libuser-devel-0.56.13-8.el6_7.ppc
    • Red Hat Enterprise Linux Workstation (v. 6) libuser-0.56.13-8.el6_7, libuser-python-0.56.13-8.el6_7
    • Red Hat Enterprise Linux Workstation Optional (v. 6) libuser-devel-0.56.13-8.el6_7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2015:1483
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2015:1483
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2015:1483
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2015:1483
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2015:1482
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2015:1482
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2015:1482
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2015:1482
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2015:1482
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2015:1483
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2015:1482
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2015:1483
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2015:1482
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2015:1483
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2015:1482
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2015:1483

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-3245
  2. 2026-10-03 Alias added: GHSA-q4h8-6f3r-mvww

References

Exploit 2

Advisory 4

Other 1

Sources

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