THREATPORT/VULNERABILITY/CVE-2019-7303
HIGH SEVERITY

CVE-2019-7303

Snapd vulnerability

CVSS
7.5
EPSS
3.7%
EPSS pct
89th
Exploited
No known
A vulnerability in the seccomp filters of Canonical snapd before version 2.37.4 allows a strict mode snap to insert characters into a terminal on a 64-bit host. The seccomp rules were generated to match 64-bit ioctl(2) commands on a 64-bit platform; however, the Linux kernel only uses the lower 32 bits to determine which ioctl(2) commands to run. This issue affects: Canonical snapd versions prior to 2.37.4.
Affected vendor
Canonical
Affected product
Snapd
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness type (CWE)
Published
2019-04-23

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2019-7303

  • Confirm whether Canonical Snapd is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-7303.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-7303

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-7303 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2019-7303?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2019-7303.

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