CVE-2017-17433 Missing authorization in n/a

What is CVE-2017-17433?

CVE-2017-17433 is a low-severity missing authorization vulnerability in Debian Debian Linux, published on 6 Dec 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-862

Which versions are affected by CVE-2017-17433?

It affects 2 products.

Products include Debian Debian Linux, Samba Rsync.

How do I fix CVE-2017-17433?

Upgrade to a fixed version.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2017-17433 being exploited?

There is no known exploitation of CVE-2017-17433 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2017-17433, DEBIAN-CVE-2017-17433, GHSA-wg8h-hh94-gpv6, UBUNTU-CVE-2017-17433.