CVE-2017-1000246

Publication date 17 November 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Python package pysaml2 version 4.4.0 and earlier reuses the initialization vector across encryptions in the IDP server, resulting in weak encryption of data.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
python-pysaml2	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	19.10 eoan	Not affected
	19.04 disco	Not affected
	18.10 cosmic	Not affected
	18.04 LTS bionic	Vulnerable
	17.10 artful	Ignored
	17.04 zesty	Ignored
	16.04 LTS xenial	Vulnerable
	14.04 LTS trusty	Not in release

Notes

tyhicks

The discussion in the GitHub issue explains why this isn't currently an issue but could be in the future if new cipher modes are used.

Severity score breakdown

Parameter	Value
Base score	5.3 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity impact	None
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N