LibVNCServer up to 0.9.12 libvncclient/sockets.c TCP Connection infinite loop

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in LibVNCServer up to 0.9.12. It has been classified as problematic. Affected by this issue is some unknown functionality of the file libvncclient/sockets.c. Performing a manipulation as part of TCP Connection results in infinite loop. This vulnerability is identified as CVE-2020-14398. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in LibVNCServer up to 0.9.12. This affects an unknown code block of the file libvncclient/sockets.c. The manipulation as part of a TCP Connection leads to a infinite loop vulnerability. CWE is classifying the issue as CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. This is going to have an impact on availability. The summary by CVE is:

An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c.

The weakness was released 06/17/2020. This vulnerability is uniquely identified as CVE-2020-14398 since 06/17/2020. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 0.9.13 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-156865, VDB-156864, VDB-156863 and VDB-156862. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
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-2020-14398 (🔍)
GCVE (CVE): GCVE-0-2020-14398
GCVE (VulDB): GCVE-100-156861
See also: 🔍

Entryinfo

Created: 06/18/2020 09:13
Updated: 06/18/2020 09:18
Changes: 06/18/2020 09:13 (38), 06/18/2020 09:18 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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