Apache Engine 16.11.01 URL Reflected input validation

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.
8.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Apache Engine 16.11.01. The affected element is an unknown function of the component Apache. Such manipulation of the argument URL as part of Parameter leads to input validation (Reflected). This vulnerability is referenced as CVE-2016-4462. It is possible to launch the attack remotely. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Apache Engine 16.11.01 and classified as critical. Affected by this issue is an unknown function of the component Apache. The manipulation of the argument URL as part of a Parameter leads to a input validation vulnerability (Reflected). Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

By manipulating the URL parameter externalLoginKey, a malicious, logged in user could pass valid Freemarker directives to the Template Engine that are reflected on the webpage; a specially crafted Freemarker template could be used for remote code execution. Mitigation: Upgrade to Apache OFBiz 16.11.01

The bug was discovered 11/29/2016. The weakness was published 08/30/2017 as confirmed git commit (GIT Repository). The advisory is shared for download at git.net. This vulnerability is handled as CVE-2016-4462 since 05/02/2016. The exploitation is known to be easy. The attack may be launched remotely. The successful exploitation requires a simple authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 274 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.net.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Name: Reflected
Class: Input validation / Reflected
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.net

Timelineinfo

05/02/2016 🔍
11/29/2016 +211 days 🔍
08/30/2017 +274 days 🔍
08/30/2017 +0 days 🔍
08/31/2017 +1 days 🔍
11/12/2019 +803 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: git.net
Status: Confirmed

CVE: CVE-2016-4462 (🔍)
GCVE (CVE): GCVE-0-2016-4462
GCVE (VulDB): GCVE-100-105980

Entryinfo

Created: 08/31/2017 09:15
Updated: 11/12/2019 08:31
Changes: 08/31/2017 09:15 (56), 11/12/2019 08:31 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!