GNOME gvfs up to 1.38.2/1.40.1/1.41.2 gvfsd daemon/gvfsdaemon.c Socket improper authorization

Summaryinfo

A vulnerability identified as critical has been detected in GNOME gvfs up to 1.38.2/1.40.1/1.41.2. This affects an unknown function of the file daemon/gvfsdaemon.c of the component gvfsd. The manipulation as part of Socket leads to improper authorization. This vulnerability is uniquely identified as CVE-2019-12795. Local access is required to approach this attack. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in GNOME gvfs up to 1.38.2/1.40.1/1.41.2. This issue affects some unknown functionality of the file daemon/gvfsdaemon.c of the component gvfsd. The manipulation as part of a Socket leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

daemon/gvfsdaemon.c in gvfsd from GNOME gvfs before 1.38.3, 1.40.x before 1.40.2, and 1.41.x before 1.41.3 opened a private D-Bus server socket without configuring an authorization rule. A local attacker could connect to this server socket and issue D-Bus method calls. (Note that the server socket only accepts a single connection, so the attacker would have to discover the server and connect to the socket before its owner does.)

The weakness was disclosed 06/11/2019 (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2019-12795 since 06/11/2019. An attack has to be approached locally. A simple authentication is required for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading to version 1.38.3, 1.40.2 or 1.41.3 eliminates this vulnerability.

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Productinfo

Vendor

• GNOME

Name

• gvfs

Version

• 1.38.0
• 1.38.1
• 1.38.2
• 1.40.0
• 1.40.1
• 1.41.0
• 1.41.1
• 1.41.2

License

• open-source

Website

• Vendor: https://www.gnome.org/

CPE 2.3info

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CPE 2.2info

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