KDE Applications up to 18.11.x HTML Thumbnailer Plugin Source IP Address information disclosure

Summaryinfo

A vulnerability has been found in KDE Applications up to 18.11.x and classified as critical. This affects an unknown part of the component HTML Thumbnailer Plugin. Performing a manipulation as part of Source IP Address results in information disclosure. This vulnerability is known as CVE-2018-19120. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in KDE Applications up to 18.11.x. This affects an unknown part of the component HTML Thumbnailer Plugin. The manipulation as part of a Source IP Address leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The HTML thumbnailer plugin in KDE Applications before 18.12.0 allows attackers to trigger outbound TCP connections to arbitrary IP addresses, leading to disclosure of the source IP address.

The bug was discovered 11/13/2018. The weakness was published 11/29/2018 (Website). The advisory is shared at lists.fedoraproject.org. This vulnerability is uniquely identified as CVE-2018-19120 since 11/08/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 12 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 119127 (Fedora 27 : kio-extras (2018-50eceed44a)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Upgrading to version 18.12.0 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (119127). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• KDE

Name

• Applications

Version

• 18.0
• 18.1
• 18.2
• 18.3
• 18.4
• 18.5
• 18.6
• 18.7
• 18.8
• 18.9
• 18.10
• 18.11

License

• open-source

Website

• Vendor: https://kde.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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