Arch Linux Security Advisory ASA-202009-3
========================================
Severity: Medium
Date    : 2020-09-03
CVE-ID  : CVE-2020-24553
Package : go
Type    : cross-site scripting
Remote  : Yes
Link    : https://security.archlinux.org/AVG-1215

Summary
======
The package go before version 1.15.1-1 is vulnerable to cross-site
scripting.

Resolution
=========
Upgrade to 1.15.1-1.

# pacman -Syu "go>=1.15.1-1"

The problem has been fixed upstream in version 1.15.1.

Workaround
=========
None.

Description
==========
In Go versions before 1.15.1 and 1.14.8 if the Content-Type header of a
Handler was not explicitly set the net/http/cgi and net/http/fcgi
packages would default to “text/html”, which could cause a Cross-Site
Scripting vulnerability if an attacker can control any part of the
contents of a response.

Impact
=====
A remote attacker is able to execute javascript or create html content
by sending specially crafted web content.

References
=========
https://github.com/golang/go/issues/40928
https://www.redteam-pentesting.de/en/advisories/rt-sa-2020-004/
https://groups.google.com/g/golang-announce/c/8wqlSbkLdPs/m/UccMwBPUBAAJ
https://github.com/golang/go/commit/eb07103a083237414145a45f029c873d57037e06
https://security.archlinux.org/CVE-2020-24553

ArchLinux: 202009-3: go: cross-site scripting

September 9, 2020

Summary

In Go versions before 1.15.1 and 1.14.8 if the Content-Type header of a Handler was not explicitly set the net/http/cgi and net/http/fcgi packages would default to “text/html”, which could cause a Cross-Site Scripting vulnerability if an attacker can control any part of the contents of a response.

Resolution

Upgrade to 1.15.1-1. # pacman -Syu "go>=1.15.1-1"
The problem has been fixed upstream in version 1.15.1.

References

https://github.com/golang/go/issues/40928 https://www.redteam-pentesting.de/en/advisories/rt-sa-2020-004/ https://groups.google.com/g/golang-announce/c/8wqlSbkLdPs/m/UccMwBPUBAAJ https://github.com/golang/go/commit/eb07103a083237414145a45f029c873d57037e06 https://security.archlinux.org/CVE-2020-24553

Severity
Package : go
Type : cross-site scripting
Remote : Yes
Link : https://security.archlinux.org/AVG-1215

Workaround

None.

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