snapd snapd-confine Application Ownership Setting Unauthorized Access Vulnerability [CVE-2019-11502]

CVE Number – CVE-2019-11502

A vulnerability in snapd could allow a local attacker to gain unauthorized access on a targeted system. The vulnerability is due to the improper setting of application ownership by the affected software. An attacker could exploit this vulnerability by calling the snap-confine function on the targeted system. A successful exploit could allow the attacker to gain unauthorized access to a private /tmp directory on the targeted system. snapd has confirmed the vulnerability and released software updates.


  • To exploit this vulnerability, the attacker must have user-level access to the targeted system. This access requirement could reduce the likelihood of a successful exploit.


  • Administrators are advised to apply the appropriate updates. Administrators are advised to allow only trusted users to access local systems. Administrators are advised to allow only privileged users to access administration or management systems. Administrators are advised to monitor critical systems.

Vendor Announcements

Fixed Software

  • snapd has released software updates at the following link: snapd 2.38

Jason Davies

UK based technology professional, with an interest in computer security and telecoms.

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