#VU36687 Input validation error in Fedora - CVE-2018-17143
Published: September 17, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36687
Vulnerability risk: Medium
CVSSv4.0: 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-2018-17143
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Fedora
Fedora
Software vendor:
Fedoraproject
Fedoraproject
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 <template><tBody><isindex/action=0>, leading to a "panic: runtime error" in inBodyIM in parse.go during an html.Parse call.
Remediation
Install update from vendor's website.
External links
- https://github.com/golang/go/issues/27704
- https://go-review.googlesource.com/c/net/+/136575
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LREEWY6KNLHRWFZ7OT4HVLMVVCGGUHON/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UKRCI7WIOCOCD3H7NXWRGIRABTQOZOBK/