Zoho ManageEngine OpManager 12100/12200 EncryptPassword API denial of service

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.
3.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Zoho ManageEngine OpManager 12100/12200. Affected by this vulnerability is an unknown functionality of the component EncryptPassword API. The manipulation of the argument EncryptPassword with the input %10 leads to denial of service. The attack can be initiated remotely. Additionally, an exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Zoho ManageEngine OpManager 12100/12200 (Network Management Software) and classified as problematic. This issue affects an unknown functionality of the component EncryptPassword API. The manipulation of the argument EncryptPassword with the input value %10 leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was released 11/20/2016 by Michael Heydon as Multiple issues in OpManager 12100 & 12200 as confirmed mailinglist post (Full-Disclosure). It is possible to read the advisory at seclists.org. The public release was coordinated with Zoho ManageEngine. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

A public exploit has been developed by Michael Heydon and been published immediately after the advisory. The exploit is available at seclists.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 92 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 12200 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

Entries connected to this vulnerability are available at VDB-93732, VDB-93733, VDB-93734 and VDB-93735. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Michael Heydon
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: OpManager 12200

Timelineinfo

08/15/2016 🔍
08/17/2016 +2 days 🔍
11/15/2016 +90 days 🔍
11/20/2016 +5 days 🔍
11/20/2016 +0 days 🔍
11/21/2016 +1 days 🔍
07/24/2019 +975 days 🔍

Sourcesinfo

Vendor: manageengine.com

Advisory: Multiple issues in OpManager 12100 & 12200
Researcher: Michael Heydon
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-93731
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 11/21/2016 14:41
Updated: 07/24/2019 18:55
Changes: 11/21/2016 14:41 (55), 07/24/2019 18:55 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!