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CVE-2017-16548

Published: 6 November 2017

The receive_xattr function in xattrs.c in rsync 3.1.2 and 3.1.3-development does not check for a trailing '\0' character in an xattr name, which allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) or possibly have unspecified other impact by sending crafted data to the daemon.

Priority

Low

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
rsync
Launchpad, Ubuntu, Debian
artful
Released (3.1.2-2ubuntu0.2)
trusty
Released (3.1.0-2ubuntu0.4)
upstream Needs triage

xenial
Released (3.1.1-3ubuntu1.2)
zesty Ignored
(end of life)
Patches:
upstream: https://git.samba.org/rsync.git/?p=rsync.git;a=commit;h=47a63d90e71d3e19e0e96052bb8c6b9cb140ecc1

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H