UrBackup 2.2.6 Client Application CClientThread.cpp GetFileHashAndMetadata Request null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in UrBackup 2.2.6. Impacted is the function CClientThread::GetFileHashAndMetadata of the file fileservplugin/CClientThread.cpp of the component Client Application. Executing a manipulation as part of Request can lead to null pointer dereference. The identification of this vulnerability is CVE-2018-20014. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in UrBackup 2.2.6 (Backup Software) and classified as problematic. This vulnerability affects the function CClientThread::GetFileHashAndMetadata of the file fileservplugin/CClientThread.cpp of the component Client Application. The manipulation as part of a Request leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. CVE summarizes:

In UrBackup 2.2.6, an attacker can send a malformed request to the client over the network, and trigger a fileservplugin/CClientThread.cpp CClientThread::GetFileHashAndMetadata NULL pointer dereference, leading to shutting down the client application.

The weakness was shared 06/07/2019. This vulnerability was named CVE-2018-20014 since 12/10/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

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

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Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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: 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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/10/2018 🔍
06/07/2019 +179 days 🔍
06/08/2019 +1 days 🔍
09/28/2023 +1573 days 🔍

Sourcesinfo

Advisory: urbackup.org
Status: Not defined

CVE: CVE-2018-20014 (🔍)
GCVE (CVE): GCVE-0-2018-20014
GCVE (VulDB): GCVE-100-136174

Entryinfo

Created: 06/08/2019 07:27
Updated: 09/28/2023 17:07
Changes: 06/08/2019 07:27 (37), 06/21/2020 09:39 (18), 09/28/2023 17:07 (3)
Complete: 🔍
Cache ID: 216::103

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