[manjaro-security] [arch-security] [ASA-201710-16] go-pie: arbitrary command execution

[Levente Polyak]

Arch Linux Security Advisory ASA-201710-16
==========================================

Severity: High
Date    : 2017-10-12
CVE-ID  : CVE-2017-15041
Package : go-pie
Type    : arbitrary command execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-442

Summary
=======

The package go-pie before version 2:1.9.1-1 is vulnerable to arbitrary
command execution.

Resolution
==========

Upgrade to 2:1.9.1-1.

# pacman -Syu "go-pie>=2:1.9.1-1"

The problem has been fixed upstream in version 1.9.1.

Workaround
==========

None.

Description
===========

Go before 1.8.4 and 1.9.x before 1.9.1 allows "go get" remote command
execution. Using custom domains, it is possible to arrange things so
that example.com/pkg1 points to a Subversion repository but
example.com/pkg1/pkg2 points to a Git repository. If the Subversion
repository includes a Git checkout in its pkg2 directory and some other
work is done to ensure the proper ordering of operations, "go get" can
be tricked into reusing this Git checkout for the fetch of code from
pkg2. If the Subversion repository's Git checkout has malicious
commands in .git/hooks/, they will execute on the system running "go
get".

Impact
======

A remote attacker may be able to execute arbitrary commands on a system
running "go get" by using a specially prepared repository.

References
==========

https://github.com/golang/go/issues/22125
https://github.com/golang/tools/commit/ebae2dcdbabadfdb9880a627481eaf0079a08767
https://security.archlinux.org/CVE-2017-15041

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