Vulnerability Name:

CVE-2016-9646 (CCN-142504)

Assigned:2016-12-26
Published:2016-12-26
Updated:2018-05-18
Summary:ikiwiki before 3.20161229 incorrectly called the CGI::FormBuilder->field method (similar to the CGI->param API that led to Bugzilla's CVE-2014-1572), which can be abused to lead to commit metadata forgery.
CVSS v3 Severity:5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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): None
Integrity (I): Low
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-287
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2016-9646

Source: XF
Type: UNKNOWN
ikiwiki-cve20169646-sec-bypass(142504)

Source: CCN
Type: ikiwiki Security Advisory
Commit metadata forgery via CGI::FormBuilder context-dependent APIs

Source: CONFIRM
Type: Vendor Advisory
https://ikiwiki.info/security/#cve-2016-9646

Source: CCN
Type: oss-sec Mailing List, 2016-12-29 20:29:40
ikiwiki: CVE-2016-9645 (incomplete fix for CVE-2016-10026)

Source: MLIST
Type: Third Party Advisory
[oss-security] 20161229 ikiwiki: CVE-2016-9645 (incomplete fix for CVE-2016-10026), CVE-2016-9646 (commit metadata forgery)

Source: CONFIRM
Type: Issue Tracking, Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2016-9646

Source: DEBIAN
Type: Third Party Advisory
DSA-3760

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ikiwiki:ikiwiki:*:*:*:*:*:*:*:* (Version < 3.20161229)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ikiwiki:ikiwiki:3.20161219:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:112432
    P
    		ikiwiki-3.20200202.3-2.7 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:105938
    P
    		ikiwiki-3.20200202.3-2.7 on GA media (Moderate)
    2021-10-01
    oval:com.ubuntu.cosmic:def:201696460000000
    V
    		CVE-2016-9646 on Ubuntu 18.10 (cosmic) - medium.
    2018-04-13
    oval:com.ubuntu.artful:def:20169646000
    V
    		CVE-2016-9646 on Ubuntu 17.10 (artful) - medium.
    2018-04-13
    oval:com.ubuntu.trusty:def:20169646000
    V
    		CVE-2016-9646 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-04-13
    oval:com.ubuntu.bionic:def:201696460000000
    V
    		CVE-2016-9646 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-04-13
    oval:com.ubuntu.bionic:def:20169646000
    V
    		CVE-2016-9646 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-04-13
    oval:com.ubuntu.xenial:def:20169646000
    V
    		CVE-2016-9646 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-04-13
    oval:com.ubuntu.xenial:def:201696460000000
    V
    		CVE-2016-9646 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-04-13
    oval:com.ubuntu.cosmic:def:20169646000
    V
    		CVE-2016-9646 on Ubuntu 18.10 (cosmic) - medium.
    2018-04-13
    oval:com.ubuntu.disco:def:201696460000000
    V
    		CVE-2016-9646 on Ubuntu 19.04 (disco) - medium.
    2018-04-13
    oval:org.cisecurity:def:1757
    P
    		DSA-3760-1 -- ikiwiki -- security update
    2017-02-24
    oval:com.ubuntu.precise:def:20169646000
    V
    		CVE-2016-9646 on Ubuntu 12.04 LTS (precise) - medium.
    2016-12-31
    BACK
    ikiwiki ikiwiki *
    debian debian linux 7.0
    debian debian linux 8.0
    debian debian linux 9.0
    ikiwiki ikiwiki 3.20161219