LibVNCServer up to 0.9.12 libvncserver/rre.c Encoding memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in LibVNCServer up to 0.9.12. The impacted element is an unknown function of the file libvncserver/rre.c. Performing a manipulation as part of Encoding results in memory corruption. This vulnerability is reported as CVE-2020-14404. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in LibVNCServer up to 0.9.12. It has been classified as critical. This affects an unknown code of the file libvncserver/rre.c. The manipulation as part of a Encoding leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rre.c allows out-of-bounds access via encodings.

The weakness was disclosed 06/17/2020. This vulnerability is uniquely identified as CVE-2020-14404 since 06/17/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 0.9.13 eliminates this vulnerability.

The entries VDB-156868, VDB-156866, VDB-156865 and VDB-156864 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Memory corruption
CWE: CWE-119
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: LibVNCServer 0.9.13

Timelineinfo

06/17/2020 🔍
06/17/2020 +0 days 🔍
06/18/2020 +1 days 🔍
06/18/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-14404 (🔍)
GCVE (CVE): GCVE-0-2020-14404
GCVE (VulDB): GCVE-100-156867
See also: 🔍

Entryinfo

Created: 06/18/2020 09:23
Updated: 06/18/2020 09:28
Changes: 06/18/2020 09:23 (38), 06/18/2020 09:28 (17)
Complete: 🔍
Cache ID: 216::103

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

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