Vulnerability Name:

CVE-2017-12170 (CCN-132520)

Assigned:2017-08-01
Published:2017-08-01
Updated:2019-10-03
Summary:Downstream version 1.0.46-1 of pure-ftpd as shipped in Fedora was vulnerable to packaging error due to which the original configuration was ignored after update and service started running with default configuration. This has security implications because of overriding security-related configuration. This issue doesn't affect upstream version of pure-ftpd.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.6 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
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): High
Integrity (I): High
Availibility (A): High
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)
4.7 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:U/RC:R)
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:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
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-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2017-12170

Source: CCN
Type: Red Hat Bugzilla – Bug 1493114
(CVE-2017-12170) CVE-2017-12170 pure-ftpd: Ignoring existing configuration after update due to packaging error

Source: CONFIRM
Type: Issue Tracking, Tool Signature, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1493114

Source: XF
Type: UNKNOWN
pureftpd-cve201712170-unspecified(132520)

Source: CCN
Type: Pure-FTPd Web site
Pure-FTPd

Vulnerable Configuration:Configuration 1:
  • cpe:/a:pureftpd:pure-ftpd:1.0.46-1:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:26:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:27:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:pureftpd:pure-ftpd:1.0.46-1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.trusty:def:201712170000
    V
    		CVE-2017-12170 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-09-21
    oval:com.ubuntu.xenial:def:201712170000
    V
    		CVE-2017-12170 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-09-21
    oval:com.ubuntu.xenial:def:2017121700000000
    V
    		CVE-2017-12170 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-09-21
    BACK
    pureftpd pure-ftpd 1.0.46-1
    fedoraproject fedora 26
    fedoraproject fedora 27
    pureftpd pure-ftpd 1.0.46-1