Input validation error in Fedora - CVE-2018-17142

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Main Vulnerability Database Vulnerabilities #VU36686

Input validation error in Fedora - CVE-2018-17142

Published: September 17, 2018 / Updated: August 8, 2020


Vulnerability identifier: #VU36686
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-2018-17142
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 2018-09-17 in Go mishandles <math><template><mo><template>, leading to a "panic: runtime error" in parseCurrentToken in parse.go during an html.Parse call.


How to mitigate CVE-2018-17142

Install update from vendor's website.

Sources