It was discovered that Mercurial failed to properly check Git sub-repository URLs. A Mercurial repository that includes a Git sub-repository with a specially crafted URL could cause Mercurial to execute arbitrary code. (CVE-2016-3068)

The binary delta decoder in Mercurial before 3.7.3 allows remote attackers to execute arbitrary code via a (1) clone, (2) push, or (3) pull command, related to (a) a list sizing rounding error and (b) short records. (CVE-2016-3630)

It was discovered that the Mercurial convert extension failed to sanitize special characters in Git repository names. A Git repository with a specially crafted name could cause Mercurial to execute arbitrary code when the Git repository was converted to a Mercurial repository. (CVE-2016-3069)

New mercurial packages are available for Slackware 13.0, 13.1, 13.37, 14.0, 14.1, and -current to fix security issues.

Security Fix(es) :

  - It was discovered that Mercurial failed to properly     check Git sub- repository URLs. A Mercurial repository     that includes a Git sub-repository with a specially     crafted URL could cause Mercurial to execute arbitrary     code. (CVE-2016-3068)

  - It was discovered that the Mercurial convert extension     failed to sanitize special characters in Git repository     names. A Git repository with a specially crafted name     could cause Mercurial to execute arbitrary code when the     Git repository was converted to a Mercurial repository.
    (CVE-2016-3069)

The remote host is affected by the vulnerability described in GLSA-201612-19 (Mercurial: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Mercurial. Please       review the CVE identifier and bug reports referenced for details.
  Impact :

    A remote attacker could possibly execute arbitrary code with the       privileges of the process.
  Workaround :

    There is no known workaround at this time.

mercurial was updated to fix three security issues.

These security issues were fixed :

  - CVE-2016-3069: Arbitrary code execution when converting     Git repos (bsc#973176).

  - CVE-2016-3068: Arbitrary code execution with Git     subrepos (bsc#973177).

  - CVE-2016-3630: Remote code execution in binary delta     decoding (bsc#973175).

An update for mercurial 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.

Mercurial is a fast, lightweight source control management system designed for efficient handling of very large distributed projects.

Security Fix(es) :

* It was discovered that Mercurial failed to properly check Git sub-repository URLs. A Mercurial repository that includes a Git sub-repository with a specially crafted URL could cause Mercurial to execute arbitrary code. (CVE-2016-3068)

* It was discovered that the Mercurial convert extension failed to sanitize special characters in Git repository names. A Git repository with a specially crafted name could cause Mercurial to execute arbitrary code when the Git repository was converted to a Mercurial repository. (CVE-2016-3069)

Red Hat would like to thank Blake Burkhart for reporting these issues.

Security fix for CVE-2016-3630, CVE-2016-3068, CVE-2016-3069 and minor upgrade

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

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2016-0706 advisory.

    - fix previous patch for CVE-2016-3069

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

  - Mercurial before 3.7.3 allows remote attackers to execute arbitrary code via a crafted name when     converting a Git repository. (CVE-2016-3069)

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

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

  - It was discovered that Mercurial failed to properly     check Git sub-repository URLs. A Mercurial repository     that includes a Git sub-repository with a specially     crafted URL could cause Mercurial to execute arbitrary     code. (CVE-2016-3068)

  - It was discovered that the Mercurial convert extension     failed to sanitize special characters in Git repository     names. A Git repository with a specially crafted name     could cause Mercurial to execute arbitrary code when     the Git repository was converted to a Mercurial     repository. (CVE-2016-3069)

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 remote MiracleLinux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2016-223:01 advisory.

    Mercurial is a fast, lightweight source control management system designed     for efficient handling of very large distributed projects.
    Quick start: http://www.selenic.com/mercurial/wiki/index.cgi/QuickStart     Tutorial: http://www.selenic.com/mercurial/wiki/index.cgi/Tutorial     Extensions: http://www.selenic.com/mercurial/wiki/index.cgi/CategoryExtension     Security issues fixed with this release:
    CVE-2016-3068     Mercurial before 3.7.3 allows remote attackers to execute arbitrary     code via a crafted git ext:: URL when cloning a subrepository.
    CVE-2016-3069     Mercurial before 3.7.3 allows remote attackers to execute arbitrary     code via a crafted name when converting a Git repository.

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

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

Several vulnerabilities have been discovered in Mercurial, a distributed version control system. The Common Vulnerabilities and Exposures project identifies the following issues :

  - CVE-2016-3068     Blake Burkhart discovered that Mercurial allows URLs for     Git subrepositories that could result in arbitrary code     execution on clone.

  - CVE-2016-3069     Blake Burkhart discovered that Mercurial allows     arbitrary code execution when converting Git     repositories with specially crafted names.

  - CVE-2016-3630     It was discovered that Mercurial does not properly     perform bounds-checking in its binary delta decoder,     which may be exploitable for remote code execution via     clone, push or pull.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
90866	Amazon Linux AMI : mercurial (ALAS-2016-697)	Nessus	Amazon Linux Local Security Checks	2016/5/4	2018/4/18	high
90319	Slackware 13.0 / 13.1 / 13.37 / 14.0 / 14.1 / current : mercurial (SSA:2016-092-01)	Nessus	Slackware Local Security Checks	2016/4/5	2021/1/14	high
90854	Scientific Linux Security Update : mercurial on SL7.x x86_64 (20160502)	Nessus	Scientific Linux Local Security Checks	2016/5/3	2021/1/14	high
95605	GLSA-201612-19 : Mercurial: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	2016/12/7	2026/1/15	critical
90485	openSUSE Security Update : mercurial (openSUSE-2016-452)	Nessus	SuSE Local Security Checks	2016/4/13	2021/1/19	high
90851	RHEL 7 : mercurial (RHSA-2016:0706)	Nessus	Red Hat Local Security Checks	2016/5/3	2019/10/24	high
90559	openSUSE Security Update : mercurial (openSUSE-2016-467)	Nessus	SuSE Local Security Checks	2016/4/18	2021/1/19	high
90414	Fedora 22 : mercurial-3.5.2-1.fc22 (2016-79604dde9f)	Nessus	Fedora Local Security Checks	2016/4/8	2021/1/11	high
90416	Fedora 23 : mercurial-3.5.2-1.fc23 (2016-b7f1f8e3bf)	Nessus	Fedora Local Security Checks	2016/4/8	2021/1/11	high
90850	Oracle Linux 7 : mercurial (ELSA-2016-0706)	Nessus	Oracle Linux Local Security Checks	2016/5/3	2024/10/22	high
219377	Linux Distros Unpatched Vulnerability : CVE-2016-3069	Nessus	Misc.	2025/3/4	2026/7/19	high
99782	EulerOS 2.0 SP1 : mercurial (EulerOS-SA-2016-1019)	Nessus	Huawei Local Security Checks	2017/5/1	2025/12/22	high
289007	MiracleLinux 7 : mercurial-2.6.2-6.el7 (AXSA:2016-223:01)	Nessus	Miracle Linux Local Security Checks	2026/1/16	2026/1/16	high
90370	Debian DSA-3542-1 : mercurial - security update	Nessus	Debian Local Security Checks	2016/4/7	2021/1/11	high

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