Vulnerability identifier: #VU49239
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-297
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Rsync
Server applications /
Other server solutions
Vendor: Samba
Description
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists in Samba rsync due to the application does not verify the hostname in the server certificate in openssl mode. A remote attacker can supply any valid certificate for another hostname and intercept the traffic.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Rsync: 3.2.0 - 3.2.3pre1
External links
http://bugzilla.redhat.com/show_bug.cgi?id=1875549
http://git.samba.org/?p=rsync.git;a=commitdiff;h=c3f7414c450faaf6a8281cc4a4403529aeb7d859
http://bugs.archlinux.org/task/69051
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.