Joern Schneeweisz discovered that git, a distributed revision control system, did not correctly handle maliciously constructed ssh:// URLs.
This allowed an attacker to run an arbitrary shell command, for instance via git submodules.

For Debian 7 'Wheezy', these problems have been fixed in version 1:1.7.10.4-1+wheezy5.

We recommend that you upgrade your git 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.

This update for git fixes the following issues :

  - CVE-2017-1000117: A client side code execution via shell     injection when receiving special submodule strings from     a malicious server was fixed (bsc#1052481)

This update was imported from the SUSE:SLE-12:Update update project.

The remote host is affected by the vulnerability described in GLSA-201709-10 (Git: Command injection)

    Specially crafted &lsquo;ssh://...&rsquo; URLs may allow the owner of the       repository to execute arbitrary commands on client&rsquo;s machine if those       commands are already installed on the client&rsquo;s system. This is       especially dangerous when the third-party repository has one or more       submodules with specially crafted &lsquo;ssh://...&rsquo; URLs. Each time the       repository is recursively cloned or submodules are updated the payload       will be triggered.
  Impact :

    A remote attacker, by enticing a user to clone a specially crafted       repository, could possibly execute arbitrary code with the privileges of       the process.
  Workaround :

    There is no known workaround at this time.

According to the versions of the git packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - In Git before 2.13.7, 2.14.x before 2.14.4, 2.15.x     before 2.15.2, 2.16.x before 2.16.4, and 2.17.x before     2.17.1, remote code execution can occur. With a crafted     .gitmodules file, a malicious project can execute an     arbitrary script on a machine that runs 'git clone
    --recurse-submodules' because submodule 'names' are     obtained from this file, and then appended to     $GIT_DIR/modules, leading to directory traversal with     '../' in a name. Finally, post-checkout hooks from a     submodule are executed, bypassing the intended design     in which hooks are not obtained from a remote     server.(CVE-2018-11235)

  - A shell command injection flaw related to the handling     of 'ssh' URLs has been discovered in Git. An attacker     could use this flaw to execute shell commands with the     privileges of the user running the Git client, for     example, when performing a 'clone' action on a     malicious repository or a legitimate repository     containing a malicious commit.(CVE-2017-1000117)

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.

According to the versions of the git packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - In Git before 2.13.7, 2.14.x before 2.14.4, 2.15.x     before 2.15.2, 2.16.x before 2.16.4, and 2.17.x before     2.17.1, remote code execution can occur. With a crafted     .gitmodules file, a malicious project can execute an     arbitrary script on a machine that runs 'git clone
    --recurse-submodules' because submodule 'names' are     obtained from this file, and then appended to     $GIT_DIR/modules, leading to directory traversal with     '../' in a name. Finally, post-checkout hooks from a     submodule are executed, bypassing the intended design     in which hooks are not obtained from a remote     server.(CVE-2018-11235)

  - A shell command injection flaw related to the handling     of 'ssh' URLs has been discovered in Git. An attacker     could use this flaw to execute shell commands with the     privileges of the user running the Git client, for     example, when performing a 'clone' action on a     malicious repository or a legitimate repository     containing a malicious commit.(CVE-2017-1000117)

  - Git before 2.10.5, 2.11.x before 2.11.4, 2.12.x before     2.12.5, 2.13.x before 2.13.6, and 2.14.x before 2.14.2     uses unsafe Perl scripts to support subcommands such as     cvsserver, which allows attackers to execute arbitrary     OS commands via shell metacharacters in a module name.
    The vulnerable code is reachable via git-shell even     without CVS support.(CVE-2017-14867)

  - It was found that the git-prompt.sh script shipped with     git failed to correctly handle branch names containing     special characters. A specially crafted git repository     could use this flaw to execute arbitrary commands if a     user working with the repository configured their shell     to include repository information in the     prompt.(CVE-2014-9938)

  - An integer truncation flaw and an integer overflow     flaw, both leading to a heap-based buffer overflow,     were found in the way Git processed certain path     information. A remote attacker could create a specially     crafted Git repository that would cause a Git client or     server to crash or, possibly, execute arbitrary     code.(CVE-2016-2324)

  - A flaw was found in the way the git-remote-ext helper     processed certain URLs. If a user had Git configured to     automatically clone submodules from untrusted     repositories, an attacker could inject commands into     the URL of a submodule, allowing them to execute     arbitrary code on the user's system.(CVE-2015-7545)

  - Git before 2.14.5, 2.15.x before 2.15.3, 2.16.x before     2.16.5, 2.17.x before 2.17.2, 2.18.x before 2.18.1, and     2.19.x before 2.19.1 allows remote code execution     during processing of a recursive 'git clone' of a     superproject if a .gitmodules file has a URL field     beginning with a '-' character.(CVE-2018-17456)

  - An integer truncation flaw and an integer overflow     flaw, both leading to a heap-based buffer overflow,     were found in the way Git processed certain path     information. A remote attacker could create a specially     crafted Git repository that would cause a Git client or     server to crash or, possibly, execute arbitrary     code.(CVE-2016-2315)

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.

An update of the git package has been released.

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2017:2485 advisory.

    Git is a distributed revision control system with a decentralized architecture. As opposed to centralized     version control systems with a client-server model, Git ensures that each working copy of a Git repository     is an exact copy with complete revision history. This not only allows the user to work on and contribute     to projects without the need to have permission to push the changes to their official repositories, but     also makes it possible for the user to work with no network connection.

    Security Fix(es):

    * A shell command injection flaw related to the handling of ssh URLs has been discovered in Git. An     attacker could use this flaw to execute shell commands with the privileges of the user running the Git     client, for example, when performing a clone action on a malicious repository or a legitimate repository     containing a malicious commit. (CVE-2017-1000117)

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

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

Security Fix(es) :

  - A shell command injection flaw related to the handling     of 'ssh' URLs has been discovered in Git. An attacker     could use this flaw to execute shell commands with the     privileges of the user running the Git client, for     example, when performing a 'clone' action on a malicious     repository or a legitimate repository containing a     malicious commit. (CVE-2017-1000117)

An update for git is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Git is a distributed revision control system with a decentralized architecture. As opposed to centralized version control systems with a client-server model, Git ensures that each working copy of a Git repository is an exact copy with complete revision history. This not only allows the user to work on and contribute to projects without the need to have permission to push the changes to their official repositories, but also makes it possible for the user to work with no network connection.

Security Fix(es) :

* A shell command injection flaw related to the handling of 'ssh' URLs has been discovered in Git. An attacker could use this flaw to execute shell commands with the privileges of the user running the Git client, for example, when performing a 'clone' action on a malicious repository or a legitimate repository containing a malicious commit.
(CVE-2017-1000117)

Command injection via malicious ssh URLs :

A shell command injection flaw related to the handling of 'ssh' URLs has been discovered in Git. An attacker could use this flaw to execute shell commands with the privileges of the user running the Git client, for example, when performing a 'clone' action on a malicious repository or a legitimate repository containing a malicious commit.(CVE-2017-1000117)

This update for git fixes the following issues :

  - CVE-2017-1000117: A client side code execution via shell     injection when receiving special submodule strings from     a malicious server was fixed (bsc#1052481)

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

The version of Apple Xcode installed on the remote macOS or Mac OS X host is prior to 9.0. It is, therefore, affected by multiple remote code execution vulnerabilities in the git, Id64, and subversion components. An unauthenticated, remote attacker can exploit these vulnerabilities to cause execution of arbitrary code.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
102788	Debian DLA-1068-1 : git security update	Nessus	Debian Local Security Checks	2017/8/28	2025/11/25	high
102943	openSUSE Security Update : git (openSUSE-2017-988)	Nessus	SuSE Local Security Checks	2017/9/5	2025/11/24	high
103278	GLSA-201709-10 : Git: Command injection	Nessus	Gentoo Local Security Checks	2017/9/18	2025/11/21	high
124888	EulerOS Virtualization for ARM 64 3.0.1.0 : git (EulerOS-SA-2019-1385)	Nessus	Huawei Local Security Checks	2019/5/14	2022/5/20	high
124923	EulerOS Virtualization 3.0.1.0 : git (EulerOS-SA-2019-1420)	Nessus	Huawei Local Security Checks	2019/5/14	2024/5/23	critical
135580	SUSE SLES12 Security Update : git (SUSE-SU-2020:0992-1)	Nessus	SuSE Local Security Checks	2020/4/15	2022/5/13	critical
252274	Photon OS 5.0: Git PHSA-2025-5.0-0590	Nessus	PhotonOS Local Security Checks	2025/8/19	2025/8/23	critical
102538	RHEL 6 : git (RHSA-2017:2485)	Nessus	Red Hat Local Security Checks	2017/8/17	2025/4/29	high
102576	Scientific Linux Security Update : git on SL6.x i386/x86_64 (20170817)	Nessus	Scientific Linux Local Security Checks	2017/8/18	2025/11/26	high
102769	CentOS 7 : git (CESA-2017:2484)	Nessus	CentOS Local Security Checks	2017/8/25	2021/1/4	high
102870	Amazon Linux AMI : git (ALAS-2017-882)	Nessus	Amazon Linux Local Security Checks	2017/9/1	2025/11/25	high
102914	SUSE SLES12 Security Update : git (SUSE-SU-2017:2320-1)	Nessus	SuSE Local Security Checks	2017/9/1	2025/11/24	high
103359	Apple Xcode < 9.0 Multiple RCE (macOS)	Nessus	MacOS X Local Security Checks	2017/9/20	2020/5/5	critical

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