VDB-122805 · CVE-2018-14849 · GCVE-0-2018-14849

Tiki up to 12.13/15.6/18.1 Link Attribute OutputLink.php cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Tiki up to 12.13/15.6/18.1. Affected by this issue is some unknown functionality in the library lib/core/WikiParser/OutputLink.php of the component Link Attribute Handler. Performing a manipulation results in cross site scripting. This vulnerability is known as CVE-2018-14849. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Tiki up to 12.13/15.6/18.1. This affects an unknown code in the library lib/core/WikiParser/OutputLink.php of the component Link Attribute Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

Tiki before 18.2, 15.7 and 12.14 has XSS via link attributes, related to lib/core/WikiParser/OutputLink.php and lib/parser/parserlib.php.

The bug was discovered 06/15/2018. The weakness was published 08/13/2018 (oss-sec). The advisory is shared at openwall.com. This vulnerability is uniquely identified as CVE-2018-14849 since 08/02/2018. It is possible to initiate the attack remotely. A authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 59 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:lib/core/WikiParser/OutputLink.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 12.14, 15.7 or 18.2 eliminates this vulnerability.

Similar entry is available at VDB-122806. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Tiki

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Tiki 12.14/15.7/18.2

Timelineinfo

06/15/2018 🔍
08/02/2018 +47 days 🔍
08/13/2018 +11 days 🔍
08/13/2018 +0 days 🔍
08/14/2018 +1 days 🔍
03/15/2020 +579 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-14849 (🔍)
GCVE (CVE): GCVE-0-2018-14849
GCVE (VulDB): GCVE-100-122805
See also: 🔍

Entryinfo

Created: 08/14/2018 08:06
Updated: 03/15/2020 09:45
Changes: 08/14/2018 08:06 (60), 03/15/2020 09:45 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.