Vulnerability Name:

CVE-2017-12171 (CCN-133645)

Assigned:2017-10-19
Published:2017-10-19
Updated:2023-02-12
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.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
6.5 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
5.7 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:6.4 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
6.4 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-284
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2017-12171

Source: CCN
Type: IBM Security Bulletin N1022321 (Server Firmware, HMC and SDMC)
Vulnerabilities in httpd affect Power Hardware Management Console

Source: CCN
Type: IBM Security Bulletin 2016641 (Tealeaf Customer Experience)
Multiple Security Issues in IBM Tealeaf Customer Experience PCA

Source: CCN
Type: BID-101516
Apache HTTP Server CVE-2017-12171 Security Bypass Vulnerability

Source: secalert@redhat.com
Type: Broken Link, Third Party Advisory, VDB Entry
secalert@redhat.com

Source: secalert@redhat.com
Type: Third Party Advisory, VDB Entry
secalert@redhat.com

Source: secalert@redhat.com
Type: Vendor Advisory
secalert@redhat.com

Source: CCN
Type: Red Hat Bugzilla – Bug 1493056
(CVE-2017-12171) CVE-2017-12171 httpd: # character matches all IPs

Source: secalert@redhat.com
Type: Issue Tracking, Vendor Advisory
secalert@redhat.com

Source: XF
Type: UNKNOWN
apache-cve201712171-sec-bypass(133645)

Source: CCN
Type: Apache Web site
Welcome! - The Apache HTTP Server Project

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-12171

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:6:*:*:*:*:*:*:*
    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:6::client:*:*:*:*:*
    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:6::computenode:*:*:*:*:*
    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:6::server:*:*:*:*:*
    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:6::workstation:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:apache:http_server:-:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:6.9:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:tealeaf_customer_experience:9.0.2:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:tealeaf_customer_experience:8.7:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:tealeaf_customer_experience:8.8:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:tealeaf_customer_experience:9.0.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:2017121710000000
    V
    		CVE-2017-12171 on Ubuntu 16.04 LTS (xenial) - low.
    2018-07-26
    oval:com.ubuntu.trusty:def:201712171000
    V
    		CVE-2017-12171 on Ubuntu 14.04 LTS (trusty) - low.
    2018-07-26
    oval:com.ubuntu.xenial:def:201712171000
    V
    		CVE-2017-12171 on Ubuntu 16.04 LTS (xenial) - low.
    2018-07-26
    oval:com.ubuntu.artful:def:201712171000
    V
    		CVE-2017-12171 on Ubuntu 17.10 (artful) - low.
    2017-10-24
    oval:com.redhat.rhsa:def:20172972
    P
    		RHSA-2017:2972: httpd security update (Moderate)
    2017-10-19
    BACK
    apache http server -
    redhat enterprise linux 6.9
    ibm tealeaf customer experience 9.0.2
    ibm tealeaf customer experience 8.7
    ibm tealeaf customer experience 8.8
    ibm tealeaf customer experience 9.0.1