Byobu Apport Hook information disclosure

Summaryinfo

A vulnerability was found in Byobu. It has been declared as problematic. This vulnerability affects unknown code of the component Apport Hook. Such manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2019-7306. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Byobu (version now known). Affected by this issue is some unknown processing of the component Apport Hook. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

Byobu Apport hook may disclose sensitive information since it automatically uploads the local user's .screenrc which may contain private hostnames, usernames and passwords. This issue affects: byobu

The weakness was disclosed 04/17/2020. This vulnerability is handled as CVE-2019-7306 since 02/01/2019. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

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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• Byobu

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