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TI-2005-02809 Aliases CVE-2005-2977GHSA-9fch-jjp9-h24r

The SELinux version of PAM before 0.78 r3 allows local users to perform brute force…

Priority LOW 12Published · 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
Partial · None · None
Fix status
Fixed

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

Summary

The SELinux version of PAM before 0.78 r3 allows local users to perform brute force password guessing attacks via unix_chkpwd, which does not log failed guesses or delay its responses.

Why it matters now

EPSS 0.00428 37th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:pam:pam:*:*:selinux:*:*:*:*:*up to 0.80VulnerablePam
  • cpe:2.3:a:pam:pam:*:*:selinux:*:*:*:*:* Versions up to 0.80 Vulnerable ·Pam

Remediation

Red Hat 1 advisory

  • RHSA-2005:805 Released 2005-10-26 · Red Hat rating Low
    pam security update
    • Red Hat Enterprise Linux AS version 4 pam-0.77-66.13, pam-0.77-66.13.i386, pam-0.77-66.13.ia64 +5
    • Red Hat Enterprise Linux Desktop version 4 pam-0.77-66.13, pam-0.77-66.13.i386, pam-devel-0.77-66.13 +1
    • Red Hat Enterprise Linux ES version 4 pam-0.77-66.13, pam-0.77-66.13.i386, pam-0.77-66.13.ia64 +3
    • Red Hat Enterprise Linux WS version 4 pam-0.77-66.13, pam-0.77-66.13.i386, pam-0.77-66.13.ia64 +3

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux AS version 4Fixed RHSA-2005:805
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2005:805
Red Hat Enterprise Linux ES version 4Fixed RHSA-2005:805
Red Hat Enterprise Linux WS version 4Fixed RHSA-2005:805

Timeline

  1. 2026-10-02 Threatist record created from CVE-2005-2977
  2. 2026-10-03 Alias added: GHSA-9fch-jjp9-h24r

References

  • TI-2002-01183 PAM 0.76 treats a disabled password as if it were an empty (null) password, which allows… CVSS 2.0HIGH 7.5
  • TI-1999-00337 Linux PAM modules allow local users to gain root access using temporary files. CVSS 2.0MEDIUM 6.2

Sources