CVE-2017-15994

Publication date 29 October 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

rsync 3.1.3-development before 2017-10-24 mishandles archaic checksums, which makes it easier for remote attackers to bypass intended access restrictions. NOTE: the rsync development branch has significant use beyond the rsync developers, e.g., the code has been copied for use in various GitHub projects.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
rsync	19.04 disco	Not affected
	18.10 cosmic	Ignored end of life
	18.04 LTS bionic	Not affected
	17.10 artful	Ignored end of life
	17.04 zesty	Ignored end of life
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

Notes

mdeslaur

introduced and fixed during 3.1.3 development period

Patch details

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

Package	Patch details
rsync	Upstream: https://git.samba.org/?p=rsync.git;a=commit;h=7b8a4ecd6ff9cdf4e5d3850ebf822f1e989255b3 Upstream: https://git.samba.org/?p=rsync.git;a=commit;h=c252546ceeb0925eb8a4061315e3ff0a8c55b48b Upstream: https://git.samba.org/?p=rsync.git;a=commit;h=9a480deec4d20277d8e20bc55515ef0640ca1e55 Upstream: https://git.samba.org/?p=rsync.git;a=commit;h=bc112b0e7feece62ce98708092306639a8a53cce Upstream: https://git.samba.org/?p=rsync.git;a=commit;h=416e719bea4f5466c8dd2b34cac0059b6ff84ff3

Package

Patch details

rsync

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

References

Other references

https://www.cve.org/CVERecord?id=CVE-2017-15994