Read the docs
TI-2011-01345 Aliases CVE-2011-1526GHSA-qc9v-p4hp-c5fh

ftpd.c in the GSS-API FTP daemon in MIT Kerberos Version 5 Applications (aka krb5-appl)…

Priority LOW 36CWE-269Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
Partial Red Hat: 4 fixed, 1 without a fix

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-269.

Summary

ftpd.c in the GSS-API FTP daemon in MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.1 and earlier does not check the krb5_setegid return value, which allows remote authenticated users to bypass intended group access restrictions, and create, overwrite, delete, or read files, via standard FTP commands, related to missing autoconf tests in a configure script.

Why it matters now

EPSS 0.03938 90th percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 4 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 · 16

CPEVersionsRoleVendor
cpe:2.3:a:mit:krb5-appl:*:*:*:*:*:*:*:*before 1.0.1Vulnerablemoos-ivp
cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*5.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*6.0VulnerableDebian
cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:*14VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:15:*:*:*:*:*:*:*15VulnerableFedoraproject
cpe:2.3:o:opensuse:opensuse:11.3:*:*:*:*:*:*:*11.3VulnerableopenSUSE
cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*11.4VulnerableopenSUSE
cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:-:*:*:*10 sp4VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_desktop:11:sp1:*:*:*:*:*:*11 sp1VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:10:sp2:*:*:*:*:*:*10 sp2VulnerableSUSE
  • cpe:2.3:a:mit:krb5-appl:*:*:*:*:*:*:*:* Versions before 1.0.1 Vulnerable ·moos-ivp
  • cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Debian
  • cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:* Versions 14 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:15:*:*:*:*:*:*:* Versions 15 Vulnerable ·Fedoraproject
  • cpe:2.3:o:opensuse:opensuse:11.3:*:*:*:*:*:*:* Versions 11.3 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* Versions 11.4 Vulnerable ·openSUSE
  • cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:-:*:*:* Versions 10 sp4 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_desktop:11:sp1:*:*:*:*:*:* Versions 11 sp1 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_server:10:sp2:*:*:*:*:*:* Versions 10 sp2 Vulnerable ·SUSE
Show 6 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:suse:linux_enterprise_server:10:sp3:*:*:ltss:*:*:*10 sp3VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:-:*:*:*10 sp4VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:-:*:*11 sp1VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:-:vmware:*:*11 sp1VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp4:*:*:*:*:*:*10 sp4VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp1:*:*:*:*:*:*11 sp1VulnerableSUSE
  • cpe:2.3:o:suse:linux_enterprise_server:10:sp3:*:*:ltss:*:*:* Versions 10 sp3 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:-:*:*:* Versions 10 sp4 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:-:*:* Versions 11 sp1 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:-:vmware:*:* Versions 11 sp1 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp4:*:*:*:*:*:* Versions 10 sp4 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp1:*:*:*:*:*:* Versions 11 sp1 Vulnerable ·SUSE

Remediation

Red Hat 2 advisories

  • RHSA-2012:0306 Released 2012-02-21 · Red Hat rating Low
    krb5 security and bug fix update
    • Red Hat Enterprise Linux (v. 5 server) krb5-1.6.1-70.el5, krb5-devel-1.6.1-70.el5, krb5-devel-1.6.1-70.el5.i386 +18
    • Red Hat Enterprise Linux Desktop (v. 5 client) krb5-1.6.1-70.el5, krb5-libs-1.6.1-70.el5, krb5-libs-1.6.1-70.el5.i386 +2
    • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) krb5-1.6.1-70.el5, krb5-devel-1.6.1-70.el5, krb5-devel-1.6.1-70.el5.i386 +4
  • RHSA-2011:0920 Released 2011-07-05 · Red Hat rating Important
    krb5-appl security update
    • Red Hat Enterprise Linux Server (v. 6) krb5-appl-1.0.1-2.el6_1.1, krb5-appl-clients-1.0.1-2.el6_1.1, krb5-appl-servers-1.0.1-2.el6_1.1

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 4AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2012:0306
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2012:0306
Red Hat Enterprise Linux Desktop Workstation (v. 5 client)Fixed RHSA-2012:0306
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:0920

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-1526
  2. 2026-10-03 Alias added: GHSA-qc9v-p4hp-c5fh

References

Patch 1

Advisory 14

Other 1

Sources

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