CVE-2019-12422

Publication date 18 November 2019

Last updated 11 July 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Apache Shiro before 1.4.2, when using the default "remember me" configuration, cookies could be susceptible to a padding attack.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
shiro	24.10 oracular	Ignored end of life, was ignored [see notes]
	24.04 LTS noble	Ignored see notes
	23.10 mantic	Ignored end of life, was needs-triage
	23.04 lunar	Ignored end of life, was needs-triage
	22.10 kinetic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Ignored see notes
	21.10 impish	Ignored end of life
	21.04 hirsute	Ignored end of life
	20.10 groovy	Ignored end of life
	20.04 LTS focal	Ignored see notes
	19.10 eoan	Ignored end of life
	19.04 disco	Ignored end of life
	18.04 LTS bionic	Ignored see notes
	16.04 LTS xenial	Ignored see notes
	14.04 LTS trusty	Not in release

Notes

hlibk

The upstream patch seems to switch to a new block cipher mode of operations (from CBC to GCM) in order to fix the vulnerability. This could potentially break existing encryption that relies on the AES-CBC mode of operations.

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	High
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N