VDB-132507 · CVE-2018-5926 · GCVE-0-2018-5926

HP Remote Graphics Software up to 7.5.0 Certificate Authentication certificate 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.
9.1	$5k-$25k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in HP Remote Graphics Software up to 7.5.0. Affected by this issue is some unknown functionality of the component Certificate Authentication. Performing a manipulation results in certificate validation. This vulnerability is reported as CVE-2018-5926. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in HP Remote Graphics Software up to 7.5.0. This affects an unknown code of the component Certificate Authentication. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

A potential vulnerability has been identified in HP Remote Graphics Software?s certificate authentication process version 7.5.0 and earlier.

The bug was discovered 12/08/2018. The weakness was disclosed 03/27/2019 (Website). It is possible to read the advisory at support.hp.com. This vulnerability is uniquely identified as CVE-2018-5926 since 01/19/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/22/2020). The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 109 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Vendor

Name

Remote Graphics Software

Version

License

commercial

Website

Vendor: https://www.hp.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.1
VulDB Meta Temp Score: 9.1

VulDB Base Score: 9.1
VulDB Temp Score: 9.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
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: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/19/2018 🔍
12/08/2018 +323 days 🔍
03/27/2019 +109 days 🔍
03/28/2019 +1 days 🔍
05/22/2020 +421 days 🔍

Sourcesinfo

Vendor: hp.com

Advisory: support.hp.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-5926 (🔍)
GCVE (CVE): GCVE-0-2018-5926
GCVE (VulDB): GCVE-100-132507

Entryinfo

Created: 03/28/2019 11:41
Updated: 05/22/2020 09:42
Changes: 03/28/2019 11:41 (55), 05/22/2020 09:42 (2)
Complete: 🔍
Cache ID: 216::103