Input validation error in Fedora - CVE-2018-17847

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Main Vulnerability Database Vulnerabilities #VU36603

Input validation error in Fedora - CVE-2018-17847

Published: October 1, 2018 / Updated: August 8, 2020


Vulnerability identifier: #VU36603
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-17847
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Fedoraproject
Affected software:
Fedora

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The html package (aka x/net/html) through 2018-09-25 in Go mishandles <svg><template><desc><t><svg></template>, leading to a "panic: runtime error" (index out of range) in (*nodeStack).pop in node.go, called from (*parser).clearActiveFormattingElements, during an html.Parse call.


How to mitigate CVE-2018-17847

Install update from vendor's website.

Sources