Infinite loop in Fedora - CVE-2018-17846

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Main Vulnerability Database Vulnerabilities #VU36602

Infinite loop in Fedora - CVE-2018-17846

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


Vulnerability identifier: #VU36602
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2018-17846
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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 <table><math><select><mi><select></table>, leading to an infinite loop during an html.Parse call because inSelectIM and inSelectInTableIM do not comply with a specification.


Affected software

Fedora
golang-googlecode-net
IBM Watson Machine Learning Accelerator
IBM CICS TX Advanced
IBM CICS TX Standard

How to mitigate CVE-2018-17846

Install update from vendor's website.

golang-googlecode-net - addressed in versions 0-0.48.20190302git16b79f2.fc28, 0-0.49.20190302git16b79f2.fc29
IBM Watson Machine Learning Accelerator - update to 2.3.9
IBM CICS TX Advanced - update to 11.1.0.0 ifix5
IBM CICS TX Standard - update to 11.1.0.0 ifix5

External References

Related Security Bulletins