CVE-2015-7703 Path traversal in n/a

What is CVE-2015-7703?

CVE-2015-7703 is a high-severity path traversal vulnerability in Debian Debian Linux, published on 24 Jul 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The "pidfile" or "driftfile" directives in NTP ntpd 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77, when ntpd is configured to allow remote configuration, allows remote attackers with an IP address that is allowed to send configuration requests, and with knowledge of the remote configuration password to write to arbitrary files via the :config command.

Weakness: CWE-20

Which versions are affected by CVE-2015-7703?

It affects 13 products.

Products include Debian Debian Linux, Netapp Clustered Data Ontap, Netapp Data Ontap, Netapp Oncommand Performance Manager, Netapp Oncommand Unified Manager, Ntp Ntp and 7 more.

How do I fix CVE-2015-7703?

Upgrade to a fixed version.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2015-7703 being exploited?

There is no known exploitation of CVE-2015-7703 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 CVE-2015-5193, CVE-2015-5196, DEBIAN-CVE-2015-7703, GHSA-p9hx-j72m-8cf4, UBUNTU-CVE-2015-7703.