CVE-2017-0663

Publication date 14 June 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

A remote code execution vulnerability in libxml2 could enable an attacker using a specially crafted file to execute arbitrary code within the context of an unprivileged process. This issue is rated as High due to the possibility of remote code execution in an application that uses this library. Product: Android. Versions: 4.4.4, 5.0.2, 5.1.1, 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2. Android ID: A-37104170.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
android	18.04 LTS bionic	Not in release
	17.10 artful	Not in release
	17.04 zesty	Ignored end of life
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Ignored abandoned
	14.04 LTS trusty	Not in release
libxml2	18.04 LTS bionic	Not affected
	17.10 artful	Not affected
	17.04 zesty	Fixed 2.9.4+dfsg1-2.2ubuntu0.1
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Fixed 2.9.3+dfsg1-1ubuntu0.3
	14.04 LTS trusty	Fixed 2.9.1+dfsg1-3ubuntu4.10

Notes

tyhicks

Downgrading from high to medium as the invalid write consists of a an enum member within a struct being written with a constant value that's not attacker controlled. I suspect that this is quite difficult to exploit.

Patch details

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

Package	Patch details
libxml2	Upstream: ?id=92b

Severity score breakdown

Parameter	Value
Base score	7.8 · High
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H