This update for git fixes the following issues :

  - git 2.12.3 :

  - CVE-2017-8386: Fix git-shell not to escape with the     starting dash name (bsc#1038395)

  - Fix for potential segv introduced in v2.11.0 and later

  - Misc fixes and cleanups.

  - git 2.12.2 :

  - CLI output fixes

  - 'Dump http' transport fixes

  - various fixes for internal code paths 

  - Trailer 'Cc:' RFC fix

  - git 2.12.1 :

  - Reduce authentication round-trip over HTTP when the     server supports just a single authentication method.

  - 'git add -i' patch subcommand fixed to have a path     selection

  - various path verification fixes

  - fix 'git log -L...' buffer overrun

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

An issue in `git-shell` could allow remote users to run an interactive pager. From the [update announcement](https://public-inbox.org/git/xmqq8tm5ziat.fsf@gitster.mt v.corp.google.com/) :

... fix a recently disclosed problem with 'git shell', which may allow a user who comes over SSH to run an interactive pager by causing it to spawn 'git upload-pack --help' (CVE-2017-8386).

The announcement also notes :

If you are not running a server, or if your server has not been explicitly configured to use git-shell as a login shell, you are not affected. Also note that sites running 'git shell' behind gitolite are NOT vulnerable. 

Further details can be found in the commit message which fixed the issue ([3ec804490](https://github.com/git/git/commit/3ec804490)).

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.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2017:2004 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):

    * 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)

    * A flaw was found in the way git-shell handled command-line options for the restricted set of git-shell     commands. A remote, authenticated attacker could use this flaw to bypass git-shell restrictions, to view     and manipulate files, by abusing the instance of the less command launched using crafted command-line     options. (CVE-2017-8386)

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.4 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 remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2017-2004 advisory.

    - dissalow repo names beginning with dash       Resolves: CVE-2017-8386
    - do not put unsanitized branch names in       Resolves: CVE-2014-9938

Tenable has extracted the preceding description block directly from the Oracle 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 remote Redhat Enterprise Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2017:2491 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)

    * A flaw was found in the way git-shell handled command-line options for the restricted set of git-shell     commands. A remote, authenticated attacker could use this flaw to bypass git-shell restrictions, to view     and manipulate files, by abusing the instance of the less command launched using crafted command-line     options. (CVE-2017-8386)

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.

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

  - 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)

  - A flaw was found in the way git-shell handled     command-line options for the restricted set of     git-shell commands. A remote, authenticated attacker     could use this flaw to bypass git-shell restrictions,     to view and manipulate files, by abusing the instance     of the less command launched using crafted command-line     options. (CVE-2017-8386)

  - 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.

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

  - git-shell in git before 2.4.12, 2.5.x before 2.5.6, 2.6.x before 2.6.7, 2.7.x before 2.7.5, 2.8.x before     2.8.5, 2.9.x before 2.9.4, 2.10.x before 2.10.3, 2.11.x before 2.11.2, and 2.12.x before 2.12.3 might     allow remote authenticated users to gain privileges via a repository name that starts with a - (dash)     character. (CVE-2017-8386)

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

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3287-1 advisory.

    Timo Schmid discovered that the Git restricted shell incorrectly filtered allowed commands. A remote     attacker could possibly use this issue to run an interactive pager and access sensitive information.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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

This update for git fixes the following issues :

  - git 2.12.3 :

  - CVE-2017-8386: Fix git-shell not to escape with the     starting dash name (bsc#1038395)

  - Fix for potential segv introduced in v2.11.0 and later

  - Misc fixes and cleanups.

  - git 2.12.2 :

  - CLI output fixes

  - 'Dump http' transport fixes

  - various fixes for internal code paths

  - Trailer 'Cc:' RFC fix

  - git 2.12.1 :

  - Reduce authentication round-trip over HTTP when the     server supports just a single authentication method.

  - 'git add -i' patch subcommand fixed to have a path     selection

  - various path verification fixes

  - fix 'git log -L...' buffer overrun

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.

An update of the git package has been released.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
100500	openSUSE Security Update : git (openSUSE-2017-624)	Nessus	SuSE Local Security Checks	2017/5/30	2025/12/17	high
101665	Fedora 26 : git (2017-7ea0e02914)	Nessus	Fedora Local Security Checks	2017/7/17	2025/12/10	high
102110	RHEL 7 : git (RHSA-2017:2004)	Nessus	Red Hat Local Security Checks	2017/8/2	2025/12/4	high
102294	Oracle Linux 7 : git (ELSA-2017-2004)	Nessus	Oracle Linux Local Security Checks	2017/8/9	2025/12/2	high
210316	RHEL 6 / 7 : rh-git29-git (RHSA-2017:2491)	Nessus	Red Hat Local Security Checks	2024/11/5	2025/4/29	high
103025	EulerOS 2.0 SP1 : git (EulerOS-SA-2017-1187)	Nessus	Huawei Local Security Checks	2017/9/8	2025/11/24	high
221316	Linux Distros Unpatched Vulnerability : CVE-2017-8386	Nessus	Misc.	2025/3/4	2025/8/20	high
100218	Ubuntu 14.04 LTS / 16.04 LTS : Git vulnerability (USN-3287-1)	Nessus	Ubuntu Local Security Checks	2017/5/16	2024/8/27	high
135580	SUSE SLES12 Security Update : git (SUSE-SU-2020:0992-1)	Nessus	SuSE Local Security Checks	2020/4/15	2022/5/13	critical
100200	Fedora 25 : git (2017-f4319b6dfc)	Nessus	Fedora Local Security Checks	2017/5/16	2025/12/18	high
100319	SUSE SLES12 Security Update : git (SUSE-SU-2017:1357-1)	Nessus	SuSE Local Security Checks	2017/5/22	2025/12/18	high
252274	Photon OS 5.0: Git PHSA-2025-5.0-0590	Nessus	PhotonOS Local Security Checks	2025/8/19	2025/8/23	critical

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