LibVNC VNC Server insufficient psychological acceptability

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in LibVNC. Affected by this issue is some unknown functionality of the component VNC Server. The manipulation results in insufficient psychological acceptability. This vulnerability is known as CVE-2019-15681. 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 LibVNC (the affected version unknown). It has been classified as problematic. Affected is an unknown part of the component VNC Server. The manipulation with an unknown input leads to a insufficient psychological acceptability vulnerability. CWE is classifying the issue as CWE-655. The product has a protection mechanism that is too difficult or inconvenient to use, encouraging non-malicious users to disable or bypass the mechanism, whether by accident or on purpose. This is going to have an impact on confidentiality. CVE summarizes:

LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appear to be exploitable via network connectivity. These vulnerabilities have been fixed in commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a.

The weakness was published 10/29/2019. This vulnerability is traded as CVE-2019-15681 since 08/27/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

Applying the patch d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

License

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

NVD Base Score: 🔍

Exploitinginfo

Class: Insufficient psychological acceptability
CWE: CWE-655
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a

Timelineinfo

08/27/2019 🔍
10/29/2019 +63 days 🔍
10/30/2019 +1 days 🔍
01/29/2024 +1552 days 🔍

Sourcesinfo

Advisory: ssa-390195
Status: Not defined

CVE: CVE-2019-15681 (🔍)
GCVE (CVE): GCVE-0-2019-15681
GCVE (VulDB): GCVE-100-144420

Entryinfo

Created: 10/30/2019 07:29
Updated: 01/29/2024 16:29
Changes: 10/30/2019 07:29 (35), 10/30/2019 07:34 (17), 01/29/2024 16:22 (6), 01/29/2024 16:29 (1)
Complete: 🔍
Cache ID: 216::103

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