Improper Validation of Array Index in Fedora - CVE-2018-17848

Vulnerability identifier: #VU36604

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-2018-17848

CWE-ID: CWE-129

Exploitation vector: Remote access

Exploit availability: No public exploit available

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 <math><template><mn><b></template>, leading to a "panic: runtime error" (index out of range) in (*insertionModeStack).pop in node.go, called from inHeadIM, during an html.Parse call.

Fedora
golang-googlecode-net
Storage Defender – Data Protect
IBM Watson Machine Learning Accelerator
IBM CICS TX Advanced
IBM CICS TX Standard

Install update from vendor's website.

golang-googlecode-net - addressed in versions 0-0.48.20190302git16b79f2.fc28, 0-0.49.20190302git16b79f2.fc29
Storage Defender – Data Protect - update to 1.3.0
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

• https://github.com/golang/go/issues/27846
• 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/

• Improper Validation of Array Index in Fedoraproject Fedora
• Multiple vulnerabilities in IBM CICS TX Advanced
• Multiple vulnerabilities in IBM CICS TX Standard
• Multiple vulnerabilities in IBM Storage Defender Data Protect
• Multiple vulnerabilities in IBM Watson Machine Learning Accelerator on Cloud Pak for Data
• Fedora 29 update for golang-googlecode-net
• Fedora 28 update for golang-googlecode-net