Micro Focus Enterprise Developer/Enterprise Server up to 2.3 Update 2/3.0 Update 11/4.0 Update 1 HTTP Request Parameter null pointer dereference

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.
6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Micro Focus Enterprise Developer and Enterprise Server up to 2.3 Update 2/3.0 Update 11/4.0 Update 1 and classified as problematic. This affects an unknown function of the component HTTP Request Parameter Handler. Such manipulation leads to null pointer dereference. This vulnerability is documented as CVE-2018-12469. The attack can be executed remotely. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Micro Focus Enterprise Developer and Enterprise Server up to 2.3 Update 2/3.0 Update 11/4.0 Update 1 and classified as problematic. Affected by this issue is an unknown code of the component HTTP Request Parameter Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes:

Incorrect handling of an invalid value for an HTTP request parameter by Directory Server (aka Enterprise Server Administration web UI) in Micro Focus Enterprise Developer and Enterprise Server 2.3 Update 2 and earlier, 3.0 before Patch Update 12, and 4.0 before Patch Update 2 causes a null pointer dereference (CWE-476) and subsequent denial of service due to process termination.

The bug was discovered 06/15/2018. The weakness was released 10/12/2018 (Website). The advisory is shared for download at community.microfocus.com. This vulnerability is handled as CVE-2018-12469 since 06/15/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 119 days. During that time the estimated underground price was around $0-$5k.

Applying a patch is able to eliminate this problem.

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: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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: 🔍

Timelineinfo

06/15/2018 🔍
06/15/2018 +0 days 🔍
10/12/2018 +118 days 🔍
10/12/2018 +0 days 🔍
10/12/2018 +0 days 🔍
04/02/2020 +538 days 🔍

Sourcesinfo

Vendor: microfocus.com

Advisory: community.microfocus.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-12469 (🔍)
GCVE (CVE): GCVE-0-2018-12469
GCVE (VulDB): GCVE-100-125276

Entryinfo

Created: 10/12/2018 18:34
Updated: 04/02/2020 08:40
Changes: 10/12/2018 18:34 (57), 04/02/2020 08:40 (2)
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 ▸

Want to know what is going to be exploited?

We predict KEV entries!