What is CVE-2018-5704?

CVE-2018-5704 is a critical-severity vulnerability in Openocd Open On-Chip Debugger, classified under Use of Externally-Controlled Format String. CVSS score: 9.6/10. Published 2018-01-16.

How severe is CVE-2018-5704?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Vulnerability in Openocd Open On-Chip Debugger

CVE-2018-5704

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.

EPSS: 0.046 (90.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Openocd Open_on-chip_debugger — versions 0.10.0
Debian Debian_linux — versions 8.0, 9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-134 — Use of Externally-Controlled Format String

References

cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
cve@mitre.org (mailing-list, x_refsource_MLIST, Third Party Advisory)

Frequently asked questions

What is CVE-2018-5704?: CVE-2018-5704 is a critical-severity vulnerability in Openocd Open On-Chip Debugger, classified under Use of Externally-Controlled Format String. CVSS score: 9.6/10. Published 2018-01-16.
How severe is CVE-2018-5704?: Critical severity. CVSS v3 base score is 9.6 out of 10.