Security fix for CVE-2017-15041 and CVE-2017-15042

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

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.'

For Debian 7 'Wheezy', these problems have been fixed in version 2:1.0.2-1.1+deb7u2.

We recommend that you upgrade your golang packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Arbitrary code execution during go get or go get -d :

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.' (CVE-2017-15041)

smtp.PlainAuth susceptible to man-in-the-middle password harvesting

An unintended cleartext issue exists in Go before 1.8.4 and 1.9.x before 1.9.1. RFC 4954 requires that, during SMTP, the PLAIN auth scheme must only be used on network connections secured with TLS. The original implementation of smtp.PlainAuth in Go 1.0 enforced this requirement, and it was documented to do so. In 2013, upstream issue #5184, this was changed so that the server may decide whether PLAIN is acceptable. The result is that if you set up a man-in-the-middle SMTP server that doesn't advertise STARTTLS and does advertise that PLAIN auth is OK, the smtp.PlainAuth implementation sends the username and password. (CVE-2017-15042)

The following packages have been upgraded to a later upstream version:
golang (1.9.4).

Security Fix(es) :

  - golang: arbitrary code execution during 'go get' or 'go     get -d' (CVE-2017-15041)

  - golang: smtp.PlainAuth susceptible to man-in-the-middle     password harvesting (CVE-2017-15042)

  - golang: arbitrary code execution during 'go get' via C     compiler options (CVE-2018-6574)

Additional Changes :

An update of the go package has been released.

According to the version of the golang packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - 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.'(CVE-2017-15041)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Several vulnerabilities were discovered in the Go programming language. An attacker could trigger a denial of service (DoS), bypasss access control, and execute arbitrary code on the developer's computer.

CVE-2017-15041

Go 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.'

CVE-2018-16873

The 'go get' command is vulnerable to remote code execution when executed with the -u flag and the import path of a malicious Go package, as it may treat the parent directory as a Git repository root, containing malicious configuration.

CVE-2018-16874

The 'go get' command is vulnerable to directory traversal when executed with the import path of a malicious Go package which contains curly braces (both '{' and '}' characters). The attacker can cause an arbitrary filesystem write, which can lead to code execution.

CVE-2019-9741

In net/http, CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the second argument to http.NewRequest with \r\n followed by an HTTP header or a Redis command.

CVE-2019-16276

Go allows HTTP Request Smuggling.

CVE-2019-17596

Go can panic upon an attempt to process network traffic containing an invalid DSA public key. There are several attack scenarios, such as traffic from a client to a server that verifies client certificates.

CVE-2021-3114

crypto/elliptic/p224.go can generate incorrect outputs, related to an underflow of the lowest limb during the final complete reduction in the P-224 field.

For Debian 9 stretch, these problems have been fixed in version 1.8.1-1+deb9u3.

We recommend that you upgrade your golang-1.8 packages.

For the detailed security status of golang-1.8 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/golang-1.8

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:0878 advisory.

    The golang packages provide the Go programming language compiler.

    The following packages have been upgraded to a later upstream version: golang (1.9.4). (BZ#1479095,     BZ#1499827)

    Security Fix(es):

    * golang: arbitrary code execution during go get or go get -d (CVE-2017-15041)

    * golang: smtp.PlainAuth susceptible to man-in-the-middle password harvesting (CVE-2017-15042)

    * golang: arbitrary code execution during go get via C compiler options (CVE-2018-6574)

    For more details about the security issue(s), including the impact, a CVSS score, and other related     information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.5 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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.
    (CVE-2017-15041)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2017:3463 advisory.

    Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang.

    Security Fix(es):

    * An arbitrary command execution flaw was found in the way Go's go get command handled the checkout of     source code repositories. A remote attacker capable of hosting malicious repositories could potentially     use this flaw to cause arbitrary command execution on the client side. (CVE-2017-15041)

    * It was found that smtp.PlainAuth authentication scheme in Go did not verify the TLS requirement     properly. A remote man-in-the-middle attacker could potentially use this flaw to sniff SMTP credentials     sent by a Go application. (CVE-2017-15042)

    Bug Fix(es):

    * Previously, the enable script for the go-toolset-7 Software Collection incorrectly set the GOPATH     environment variable to a directory that required root permissions for write operations. As a consequence,     the go compiler terminated unexpectedly when performing certain commands. The enable script has been     changed to handle GOPATH correctly, and the described problem no longer occurs. (BZ#1512013)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
103997	Fedora 25 : golang (2017-8f7bca960b)	Nessus	Fedora Local Security Checks	2017/10/20	2025/11/18	critical
104220	Debian DLA-1148-1 : golang security update	Nessus	Debian Local Security Checks	2017/10/30	2025/11/17	critical
104392	Amazon Linux AMI : golang (ALAS-2017-918)	Nessus	Amazon Linux Local Security Checks	2017/11/6	2025/11/14	critical
106006	Fedora 27 : golang (2017-f4fc897e8f)	Nessus	Fedora Local Security Checks	2018/1/15	2025/11/3	critical
109448	Scientific Linux Security Update : golang on SL7.x (noarch) (20180410)	Nessus	Scientific Linux Local Security Checks	2018/5/1	2024/10/16	critical
121762	Photon OS 2.0: Go PHSA-2017-0045	Nessus	PhotonOS Local Security Checks	2019/2/7	2024/7/23	critical
104929	EulerOS 2.0 SP2 : golang (EulerOS-SA-2017-1311)	Nessus	Huawei Local Security Checks	2017/12/1	2025/11/13	critical
147800	Debian DLA-2592-1 : golang-1.8 security update	Nessus	Debian Local Security Checks	2021/3/15	2024/1/12	critical
108990	RHEL 7 : golang (RHSA-2018:0878)	Nessus	Red Hat Local Security Checks	2018/4/11	2025/3/20	critical
260871	Linux Distros Unpatched Vulnerability : CVE-2017-15041	Nessus	Misc.	2025/9/3	2025/9/3	critical
105367	RHEL 7 : go-toolset-7 and go-toolset-7-golang (RHSA-2017:3463)	Nessus	Red Hat Local Security Checks	2017/12/19	2025/4/15	critical

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