Vulnerability CVE-2017-17433
Published: 2017-12-05   Modified: 2017-12-06

Description:
The recv_files function in receiver.c in the daemon in rsync 3.1.2, and 3.1.3-development before 2017-12-03, proceeds with certain file metadata updates before checking for a filename in the daemon_filter_list data structure, which allows remote attackers to bypass intended access restrictions.

Type:

CWE-862

 (Missing Authorization)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Samba -> Rsync 
Debian -> Debian linux 

 References:
http://security.cucumberlinux.com/security/details.php?id=169
https://bugzilla.redhat.com/show_bug.cgi?id=1522874#c4
https://git.samba.org/?p=rsync.git;a=commit;h=3e06d40029cfdce9d0f73d87cfd4edaf54be9c51
https://lists.debian.org/debian-lts-announce/2017/12/msg00020.html
https://www.debian.org/security/2017/dsa-4068
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