CVE-2017-9736

Publication date 17 June 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

SPIP 3.1.x before 3.1.6 and 3.2.x before Beta 3 does not remove shell metacharacters from the host field, allowing a remote attacker to cause remote code execution.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
spip	19.10 eoan	Not affected
	19.04 disco	Not affected
	18.10 cosmic	Not affected
	18.04 LTS bionic	Not affected
	17.10 artful	Not affected
	17.04 zesty	Ignored end of life
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release

Notes

seth-arnold

The patches look like this is a simple black-list functionality but doesn't black-list $() or `` or <() or any other number of shell metacharacters. I expect this is still broken and should use a whitelist of a-z0-9_-.

msalvatore

"SPIP 3.0.x and earlier versions are not affected by this issue."

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
spip	Upstream: https://core.spip.net/projects/spip/repository/revisions/23593 Upstream: https://core.spip.net/projects/spip/repository/revisions/23594

Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H