CVE-2018-5704 Command injection in n/a

What is CVE-2018-5704?

CVE-2018-5704 is a critical command injection vulnerability in Debian Debian Linux, published on 16 Jan 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Open On-Chip Debugger (OpenOCD) 0.10.0 does not block attempts to use HTTP POST for sending data to 127.0.0.1 port 4444, which allows remote attackers to conduct cross-protocol scripting attacks, and consequently execute arbitrary commands, via a crafted web site.

Weakness: CWE-134

Which versions are affected by CVE-2018-5704?

It affects 2 products.

Products include Debian Debian Linux, Openocd Open On-Chip Debugger.

How do I fix CVE-2018-5704?

Apply the vendor's patch.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2018-5704 being exploited?

There is no known exploitation of CVE-2018-5704 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 DEBIAN-CVE-2018-5704, DLA-1253-1, DSA-4093-1, GHSA-6gfh-wrq3-9f83, UBUNTU-CVE-2018-5704.