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TI-2017-08961 Aliases CVE-2017-12171GHSA-c8w6-x7h9-gq97

Improper access control in Red Hat httpd

Priority MEDIUM 40CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-284.

Summary

A regression was found in the Red Hat Enterprise Linux 6.9 version of httpd 2.2.15-60, causing comments in the "Allow" and "Deny" configuration lines to be parsed incorrectly. A web administrator could unintentionally allow any client to access a restricted HTTP resource.

Why it matters now

EPSS 0.08078 94th 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
Red Hathttpd2.2.15-60—No fix listedCNA
  • httpd VendorRed Hat Affected 2.2.15-60 Fixed in — No fix listed CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux:6.9:*:*:*:*:*:*:*6.9VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:a:apache:http_server:2.2.15-60:*:*:*:*:*:*:*2.2.15-60VulnerableApache
  • cpe:2.3:o:redhat:enterprise_linux:6.9:*:*:*:*:*:*:* Versions 6.9 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:a:apache:http_server:2.2.15-60:*:*:*:*:*:*:* Versions 2.2.15-60 Vulnerable ·Apache

Remediation

Red Hat 1 advisory

  • RHSA-2017:2972 Released 2017-10-19 · Red Hat rating Moderate
    httpd security update
    • Red Hat Enterprise Linux Desktop (v. 6) httpd-2.2.15-60.el6_9.6, httpd-tools-2.2.15-60.el6_9.6
    • Red Hat Enterprise Linux Desktop Optional (v. 6) httpd-devel-2.2.15-60.el6_9.6, httpd-manual-2.2.15-60.el6_9.6, mod_ssl-1:2.2.15-60.el6_9.6
    • Red Hat Enterprise Linux HPC Node (v. 6) httpd-2.2.15-60.el6_9.6, httpd-tools-2.2.15-60.el6_9.6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) httpd-devel-2.2.15-60.el6_9.6, httpd-manual-2.2.15-60.el6_9.6, mod_ssl-1:2.2.15-60.el6_9.6
    • Red Hat Enterprise Linux Server (v. 6) httpd-2.2.15-60.el6_9.6, httpd-devel-2.2.15-60.el6_9.6, httpd-devel-2.2.15-60.el6_9.6.ppc +3
    • Red Hat Enterprise Linux Workstation (v. 6) httpd-2.2.15-60.el6_9.6, httpd-devel-2.2.15-60.el6_9.6, httpd-manual-2.2.15-60.el6_9.6 +2

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2017:2972
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2017:2972
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2017:2972
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2017:2972
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2017:2972
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2017:2972
Not affected: 9 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 7
  • Red Hat JBoss Core Services
  • Red Hat JBoss Enterprise Application Platform 5
  • Red Hat JBoss Enterprise Application Platform 6
  • Red Hat JBoss Enterprise Web Server 1
  • Red Hat JBoss Enterprise Web Server 2
  • Red Hat JBoss Web Server 3
  • Red Hat Software Collections

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-12171
  2. 2026-10-03 Alias added: GHSA-c8w6-x7h9-gq97

References

Advisory 2

  • TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-10530 Code injection in [UNKNOWN] RichFaces KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-23530 Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf… KEVCVSS 3.1CRITICAL 9.3
  • TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
See all 1955 →

Sources

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