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Debian LTS: Security Advisory for golang-1.8 (DLA-2891-1)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.8

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

5 months ago

Modified

Modified

5 months ago

Summary

The remote host is missing an update for the 'golang-1.8' package(s) announced via the DLA-2891-1 advisory.

Insight

Insight

Several vulnerabilities were discovered in the Go programming language. An attacker could trigger a denial-of-service (DoS) and information leak. CVE-2021-33196 In archive/zip, a crafted file count (in an archive's header) can cause a NewReader or OpenReader panic. CVE-2021-36221 Go has a race condition that can lead to a net/http/httputil ReverseProxy panic upon an ErrAbortHandler abort. CVE-2021-39293 Follow-up fix to CVE-2021-33196 CVE-2021-41771 ImportedSymbols in debug/macho (for Open or OpenFat) accesses a Memory Location After the End of a Buffer, aka an out-of-bounds slice situation. CVE-2021-44716 net/http allows uncontrolled memory consumption in the header canonicalization cache via HTTP/2 requests. CVE-2021-44717 Go on UNIX allows write operations to an unintended file or unintended network connection as a consequence of erroneous closing of file descriptor 0 after file-descriptor exhaustion.

Affected Software

Affected Software

'golang-1.8' package(s) on Debian Linux.

Detection Method

Detection Method

Checks if a vulnerable package version is present on the target host.

Solution

Solution

For Debian 9 stretch, these problems have been fixed in version 1.8.1-1+deb9u4. We recommend that you upgrade your golang-1.8 packages.

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1. Download Multipass

sudo snap install multipass

2. Launch a multipass instance

multipass launch -c 2 -m 6G -d 20G -n mageni 20.04 && multipass shell mageni

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curl -sL https://www.mageni.net/installation | sudo bash

1. If you don’t have it already, install Brew. Then, to install Multipass simply execute:

brew install --cask multipass

2. Launch a multipass instance

multipass launch -c 2 -m 6G -d 20G -n mageni 20.04 && multipass shell mageni

2. Install Mageni

curl -sL https://www.mageni.net/installation | sudo bash

1. Download the installer for Windows

Note: You need Windows 10 Pro/Enterprise/Education v 1803 or later, or any Windows 10 with VirtualBox

2. Ensure your network is private

Make sure your local network is designated as private, otherwise Windows prevents Multipass from starting.

3. Run the installer

You need to allow the installer to gain Administrator privileges.

4. Launch a multipass instance

multipass launch -c 2 -m 6G -d 20G -n mageni 20.04

5. Log into the multipass instance

multipass shell mageni

6. Install Mageni

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