Ikiwiki Parameter improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Ikiwiki. This affects an unknown part of the component Parameter Handler. Executing a manipulation can lead to improper authentication. The identification of this vulnerability is CVE-2017-0356. The attack may be launched remotely. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as critical was found in Ikiwiki (Content Management System) (version unknown). This vulnerability affects an unknown function of the component Parameter Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A flaw, similar to to CVE-2016-9646, exists in ikiwiki before 3.20170111, in the passwordauth plugin s use of CGI::FormBuilder, allowing an attacker to bypass authentication via repeated parameters.

The bug was discovered 01/12/2017. The weakness was shared 01/12/2017 by Simon McVittie as [SECURITY] [DSA 3760-1] ikiwiki security update as confirmed mailinglist post (Bugtraq). The advisory is shared for download at seclists.org. This vulnerability was named CVE-2017-0356 since 11/29/2016. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 96911 (Debian DLA-812-1 : ikiwiki security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276415 (Fedora Security Update for ikiwiki (FEDORA-2017-8873ebdb43)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96911) and SecurityFocus (BID 95420†). The entries VDB-95282 and VDB-95283 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 96911
Nessus Name: Debian DLA-812-1 : ikiwiki security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for ikiwiki FEDORA-2017-c756d37779
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

11/29/2016 🔍
01/12/2017 +44 days 🔍
01/12/2017 +0 days 🔍
01/12/2017 +0 days 🔍
01/13/2017 +1 days 🔍
01/31/2017 +18 days 🔍
02/01/2017 +1 days 🔍
04/13/2018 +435 days 🔍
07/21/2020 +830 days 🔍

Sourcesinfo

Advisory: [SECURITY] [DSA 3760-1] ikiwiki security update
Researcher: Simon McVittie
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-0356 (🔍)
GCVE (CVE): GCVE-0-2017-0356
GCVE (VulDB): GCVE-100-95284

OVAL: 🔍

SecurityFocus: 95420 - ikiwiki CVE-2017-0356 Authentication Bypass Vulnerability
OSVDB: - CVE-2017-0356 - ikiwiki - CGI::FormBuilder Authentication Bypass Issue

See also: 🔍

Entryinfo

Created: 01/13/2017 12:11
Updated: 07/21/2020 12:06
Changes: 01/13/2017 12:11 (76), 07/21/2020 12:06 (8)
Complete: 🔍
Cache ID: 216:9C1:103

Once again VulDB remains the best source for vulnerability data.

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