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Bug 1633022 - (CVE-2018-17142) CVE-2018-17142 golang-org-x-net-html: Runtime panic in html.Parse() via crafted html
CVE-2018-17142 golang-org-x-net-html: Runtime panic in html.Parse() via craft...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20180926,repor...
: Security
Depends On: 1633023 1633024 1633025 CVE-2018-17143 CVE-2018-17075 1639104 1639105 1633026
Blocks: 1633033
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Reported: 2018-09-26 01:34 EDT by Sam Fowler
Modified: 2018-10-19 02:19 EDT (History)
46 users (show)

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Description Sam Fowler 2018-09-26 01:34:54 EDT 
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.


Upstream Issue:

https://github.com/golang/go/issues/27702
Comment 1 Sam Fowler 2018-09-26 01:36:41 EDT 
Created heketi tracking bugs for this issue:

Affects: epel-6 [bug 1633026]
Affects: fedora-all [bug 1633025]


Created kompose tracking bugs for this issue:

Affects: fedora-all [bug 1633024]


Created origin tracking bugs for this issue:

Affects: fedora-all [bug 1633023]
Comment 2 Siddharth Sharma 2018-10-11 06:43:27 EDT 
upstream fix:

https://github.com/golang/net/commit/cf3bd585ca2a5a21b057abd8be7eea2204af89d0
Comment 3 Sam Fowler 2018-10-15 01:40:31 EDT 
Created golang-googlecode-net tracking bugs for this issue:

Affects: epel-6 [bug 1639105]
Affects: fedora-all [bug 1639104]
Comment 4 Scott Gayou 2018-10-16 17:02:29 EDT 
Version packaged by RHEL (around 2014) does not seem to include the template functionality. Vulnerable behavior looks to have been introduced here, in 2017: https://github.com/golang/net/commit/500e7a4f953ddaf55d316b4d3adc516aa0379622

Reproducer does not trigger an exception.
Comment 5 Summer Long 2018-10-19 02:19:09 EDT 
OpenStack OpTools 8/9 grafana versions do not include net/html, which includes the flawed code. OpenStack OpTools golang-googecode-net 9 does have the code, but this version does not support templates (which is needed for flaw exploitation).
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