CVE-2019-9924

Published: 22 March 2019

rbash in Bash before 4.4-beta2 did not prevent the shell user from modifying BASH_CMDS, thus allowing the user to execute any command with the permissions of the shell.

Priority

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package	Release	Status
bash Launchpad, Ubuntu, Debian	bionic	Not vulnerable (4.4.18-2ubuntu1)
	cosmic	Not vulnerable
	disco	Not vulnerable
	trusty	Released (4.3-7ubuntu1.8+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	upstream	Released (4.4-1)
	xenial	Released (4.3-14ubuntu1.4)
	Patches: upstream: http://git.savannah.gnu.org/cgit/bash.git/commit/?h=bash-4.4-testing&id=a4eef1991c25c9d1c55f777952cd522c762c6fc3

Severity score breakdown

Parameter	Value
Base score	7.8
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Bugs

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