Detection rules › Sigma

Sudo Privilege Escalation CVE-2019-14287 - Builtin

Status
test
Severity
critical
Log source
product linux, service sudo
Author
Florian Roth (Nextron Systems)
Source
github.com/SigmaHQ/sigma

Detects users trying to exploit sudo vulnerability reported in CVE-2019-14287

MITRE ATT&CK coverage

Rule body yaml

title: Sudo Privilege Escalation CVE-2019-14287 - Builtin
id: 7fcc54cb-f27d-4684-84b7-436af096f858
related:
    - id: f74107df-b6c6-4e80-bf00-4170b658162b
      type: derived
status: test
description: Detects users trying to exploit sudo vulnerability reported in CVE-2019-14287
references:
    - https://www.openwall.com/lists/oss-security/2019/10/14/1
    - https://access.redhat.com/security/cve/cve-2019-14287
    - https://twitter.com/matthieugarin/status/1183970598210412546
author: Florian Roth (Nextron Systems)
date: 2019-10-15
modified: 2022-11-26
tags:
    - attack.privilege-escalation
    - attack.t1068
    - attack.t1548.003
    - cve.2019-14287
    - detection.emerging-threats
logsource:
    product: linux
    service: sudo
detection:
    selection_user:
        USER:
            - '#-*'
            - '#*4294967295'
    condition: selection_user
falsepositives:
    - Unlikely
level: critical

Stages and Predicates

Stage 0: condition

selection_user

Stage 1: selection_user

selection_user:
    USER:
        - '#-*'
        - '#*4294967295'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
USERwildcard
  • #*4294967295
  • #-*