CVE-2017-1000249

Publication date 5 September 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An issue in file() was introduced in commit 9611f31313a93aa036389c5f3b15eea53510d4d1 (Oct 2016) lets an attacker overwrite a fixed 20 bytes stack buffer with a specially crafted .notes section in an ELF binary. This was fixed in commit 35c94dc6acc418f1ad7f6241a6680e5327495793 (Aug 2017).

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
file	17.04 zesty	Fixed 1:5.29-3ubuntu0.1
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

Notes

sbeattie

introduced in 5.28

Patch details

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

Package	Patch details
file	Introduced by 9611f31, fixed by 35c94dc

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	High
Availability impact	None
Vector	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

USN-3412-1
file vulnerability
7 September 2017