ownCloud Desktop Client up to 2.0.0 Qt ignoreSslErrors authentication spoofing

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability was found in ownCloud Desktop Client up to 2.0.0. It has been classified as critical. This vulnerability affects the function QNetworkReply::ignoreSslErrors of the component Qt. This manipulation causes authentication spoofing. This vulnerability is registered as CVE-2015-7298. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in ownCloud Desktop Client up to 2.0.0 (Cloud Software). Affected by this vulnerability is the function QNetworkReply::ignoreSslErrors of the component Qt. The manipulation with an unknown input leads to a authentication spoofing vulnerability. The CWE definition for the vulnerability is CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

ownCloud Desktop Client before 2.0.1, when compiled with a Qt release after 5.3.x, does not call QNetworkReply::ignoreSslErrors with the list of errors to be ignored, which makes it easier for remote attackers to conduct man-in-the-middle (MITM) attacks by leveraging a server using a self-signed certificate. NOTE: this vulnerability exists because of a partial CVE-2015-4456 regression.

The weakness was published 10/26/2015 (Website). It is possible to read the advisory at owncloud.org. This vulnerability is known as CVE-2015-7298 since 09/21/2015. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 86857 (FreeBSD : owncloudclient -- Improper validation of certificates when using self-signed certificates (71af4ded-8864-11e5-af1b-001999f8d30b)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading to version 2.0.1 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (86857), SecurityFocus (BID 76978†) and Vulnerability Center (SBV-54777†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.8
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Authentication spoofing
CWE: CWE-290 / CWE-287
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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Nessus ID: 86857
Nessus Name: FreeBSD : owncloudclient -- Improper validation of certificates when using self-signed certificates (71af4ded-8864-11e5-af1b-001999f8d30b)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Desktop Client 2.0.1

Timelineinfo

09/21/2015 🔍
09/21/2015 +0 days 🔍
10/26/2015 +35 days 🔍
10/26/2015 +0 days 🔍
10/27/2015 +1 days 🔍
11/11/2015 +15 days 🔍
11/12/2015 +1 days 🔍
12/03/2015 +21 days 🔍
05/11/2018 +890 days 🔍

Sourcesinfo

Advisory: owncloud.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-7298 (🔍)
GCVE (CVE): GCVE-0-2015-7298
GCVE (VulDB): GCVE-100-78895
SecurityFocus: 76978
Vulnerability Center: 54777 - ownCloud Desktop Client before 2.0.1 Remote Man-in-the-Middle Attacks, Medium

Entryinfo

Created: 10/27/2015 08:47
Updated: 05/11/2018 09:31
Changes: 10/27/2015 08:47 (60), 05/11/2018 09:31 (9)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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