THREATPORT/VULNERABILITY/CVE-2019-19232
HIGH SEVERITY

CVE-2019-19232

Sudo vulnerability

CVSS
7.5
EPSS
3.3%
EPSS pct
87th
Exploited
No known
In Sudo through 1.8.29, an attacker with access to a Runas ALL sudoer account can impersonate a nonexistent user by invoking sudo with a numeric uid that is not associated with any user. NOTE: The software maintainer believes that this is not a vulnerability because running a command via sudo as a user not present in the local password database is an intentional feature. Because this behavior surprised some users, sudo 1.8.30 introduced an option to enable/disable this behavior with the default being disabled. However, this does not change the fact that sudo was behaving as intended, and as documented, in earlier versions
Affected vendor
Sudo
Affected product
Sudo
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published
2019-12-19

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 3.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2019-19232

  • Confirm whether Sudo Sudo is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-19232.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-19232

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-19232 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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