An update for libarchive is now available for Red Hat Enterprise Linux 6.

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.

The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio and ISO 9660 CD-ROM images. Libarchive is used notably in the bsdtar utility, scripting language bindings such as python-libarchive, and several popular desktop file managers.

Security Fix(es) :

* A flaw was found in the way libarchive handled hardlink archive entries of non-zero size. Combined with flaws in libarchive's file system sandboxing, this issue could cause an application using libarchive to overwrite arbitrary files with arbitrary data from the archive. (CVE-2016-5418)

* Multiple out-of-bounds read flaws were found in libarchive.
Specially crafted AR or MTREE files could cause the application to read data out of bounds, potentially disclosing a small amount of application memory, or causing an application crash. (CVE-2015-8920, CVE-2015-8921)

* A denial of service vulnerability was found in libarchive's handling of GZIP streams. A crafted GZIP file could cause libarchive to allocate an excessive amount of memory, eventually leading to a crash.
(CVE-2016-7166)

* A denial of service vulnerability was found in libarchive. A specially crafted CPIO archive containing a symbolic link to a large target path could cause memory allocation to fail, causing an application using libarchive that attempted to view or extract such archive to crash. (CVE-2016-4809)

* Multiple instances of undefined behavior due to arithmetic overflow were found in libarchive. Specially crafted Compress streams or ISO9660 volumes could potentially cause the application to fail to read the archive, or to crash. (CVE-2015-8932, CVE-2016-5844)

Red Hat would like to thank Insomnia Security for reporting CVE-2016-5418.

Security Fix(es) :

  - A flaw was found in the way libarchive handled hardlink     archive entries of non-zero size. Combined with flaws in     libarchive's file system sandboxing, this issue could     cause an application using libarchive to overwrite     arbitrary files with arbitrary data from the archive.
    (CVE-2016-5418)

  - Multiple out-of-bounds read flaws were found in     libarchive. Specially crafted AR or MTREE files could     cause the application to read data out of bounds,     potentially disclosing a small amount of application     memory, or causing an application crash. (CVE-2015-8920,     CVE-2015-8921)

  - A denial of service vulnerability was found in     libarchive's handling of GZIP streams. A crafted GZIP     file could cause libarchive to allocate an excessive     amount of memory, eventually leading to a crash.
    (CVE-2016-7166)

  - A denial of service vulnerability was found in     libarchive. A specially crafted CPIO archive containing     a symbolic link to a large target path could cause     memory allocation to fail, causing an application using     libarchive that attempted to view or extract such     archive to crash. (CVE-2016-4809)

  - Multiple instances of undefined behavior due to     arithmetic overflow were found in libarchive. Specially     crafted Compress streams or ISO9660 volumes could     potentially cause the application to fail to read the     archive, or to crash. (CVE-2015-8932, CVE-2016-5844)

The remote host is affected by the vulnerability described in GLSA-201701-03 (libarchive: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in libarchive. Please       review the CVE identifiers referenced below for details.
  Impact :

    A remote attacker could entice a user to open a specially crafted       archive file possibly resulting in the execution of arbitrary code with       the privileges of the process or a Denial of Service condition.
  Workaround :

    There is no known workaround at this time.

An update of [binutils,ntp,libarchive] packages for PhotonOS has been released.

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2016-1844 advisory.

    - Fixes variation of CVE-2016-5418: Hard links could include '..' in their path.
    - Fixes CVE-2016-5418: Archive Entry with type 1 (hardlink) causes file overwrite (#1365777)

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.

An update for libarchive 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.

The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO 9660 CD-ROM images. Libarchive is used notably in the bsdtar utility, scripting language bindings such as python-libarchive, and several popular desktop file managers.

Security Fix(es) :

* A flaw was found in the way libarchive handled hardlink archive entries of non-zero size. Combined with flaws in libarchive's file system sandboxing, this issue could cause an application using libarchive to overwrite arbitrary files with arbitrary data from the archive. (CVE-2016-5418)

* Multiple out-of-bounds write flaws were found in libarchive.
Specially crafted ZIP, 7ZIP, or RAR files could cause a heap overflow, potentially allowing code execution in the context of the application using libarchive. (CVE-2016-1541, CVE-2016-4300, CVE-2016-4302)

* Multiple out-of-bounds read flaws were found in libarchive.
Specially crafted LZA/LZH, AR, MTREE, ZIP, TAR, or RAR files could cause the application to read data out of bounds, potentially disclosing a small amount of application memory, or causing an application crash. (CVE-2015-8919, CVE-2015-8920, CVE-2015-8921, CVE-2015-8923, CVE-2015-8924, CVE-2015-8925, CVE-2015-8926, CVE-2015-8928, CVE-2015-8934)

* Multiple NULL pointer dereference flaws were found in libarchive.
Specially crafted RAR, CAB, or 7ZIP files could cause an application using libarchive to crash. (CVE-2015-8916, CVE-2015-8917, CVE-2015-8922)

* Multiple infinite loop / resource exhaustion flaws were found in libarchive. Specially crafted GZIP or ISO files could cause the application to consume an excessive amount of resources, eventually leading to a crash on memory exhaustion. (CVE-2016-7166, CVE-2015-8930)

* A denial of service vulnerability was found in libarchive. A specially crafted CPIO archive containing a symbolic link to a large target path could cause memory allocation to fail, causing an application using libarchive that attempted to view or extract such archive to crash. (CVE-2016-4809)

* An integer overflow flaw, leading to a buffer overflow, was found in libarchive's construction of ISO9660 volumes. Attempting to create an ISO9660 volume with 2 GB or 4 GB file names could cause the application to attempt to allocate 20 GB of memory. If this were to succeed, it could lead to an out of bounds write on the heap and potential code execution. (CVE-2016-6250)

* Multiple instances of undefined behavior due to arithmetic overflow were found in libarchive. Specially crafted MTREE archives, Compress streams, or ISO9660 volumes could potentially cause the application to fail to read the archive, or to crash. (CVE-2015-8931, CVE-2015-8932, CVE-2016-5844)

Red Hat would like to thank Insomnia Security for reporting CVE-2016-5418.

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3225-1 advisory.

    It was discovered that libarchive incorrectly handled hardlink entries when extracting archives. A remote     attacker could possibly use this issue to overwrite arbitrary files. (CVE-2016-5418)

    Christian Wressnegger, Alwin Maier, and Fabian Yamaguchi discovered that libarchive incorrectly handled     filename lengths when writing ISO9660 archives. A remote attacker could use this issue to cause libarchive     to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to     Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-6250)

    Alexander Cherepanov discovered that libarchive incorrectly handled recursive decompressions. A remote     attacker could possibly use this issue to cause libarchive to hang, resulting in a denial of service. This     issue only applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-7166)

    It was discovered that libarchive incorrectly handled non-printable multibyte characters in filenames. A     remote attacker could possibly use this issue to cause libarchive to crash, resulting in a denial of     service. (CVE-2016-8687)

    It was discovered that libarchive incorrectly handled line sizes when extracting certain archives. A     remote attacker could possibly use this issue to cause libarchive to crash, resulting in a denial of     service. (CVE-2016-8688)

    It was discovered that libarchive incorrectly handled multiple EmptyStream attributes when extracting     certain 7zip archives. A remote attacker could possibly use this issue to cause libarchive to crash,     resulting in a denial of service. (CVE-2016-8689)

    Jakub Jirasek discovered that libarchive incorrectly handled memory when extracting certain archives. A     remote attacker could possibly use this issue to cause libarchive to crash, resulting in a denial of     service. (CVE-2017-5601)

Tenable has extracted the preceding description block directly from the Ubuntu 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 were discovered in libarchive, a multi-format archive and compression library, which may lead to denial of service (memory consumption and application crash), bypass of sandboxing restrictions and overwrite arbitrary files with arbitrary data from an archive, or the execution of arbitrary code.

An update of the libarchive package has been released.

Several security vulnerabilities have been discovered in libarchive, a multi-format archive and compression library. An attacker could take advantage of these flaws to cause an out of bounds read or a denial of service against an application using the libarchive12 library using a carefully crafted input file.

CVE-2015-8915

Paris Zoumpouloglou of Project Zero labs discovered a flaw in libarchive bsdtar. Using a crafted file bsdtar can perform an out-of-bounds memory read which will lead to a SEGFAULT.

CVE-2016-7166

Alexander Cherepanov discovered a flaw in libarchive compression handling. Using a crafted gzip file, one can get libarchive to invoke an infinite chain of gzip compressors until all the memory has been exhausted or another resource limit kicks in.

For Debian 7 'Wheezy', these problems have been fixed in version 3.0.4-3+wheezy3.

We recommend that you upgrade your libarchive 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.

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2016-1850 advisory.

    - Fixes variation of CVE-2016-5418: Hard links could include '..' in their path.
    - Fixes CVE-2016-5418: Archive Entry with type 1 (hardlink) causes file overwrite (#1365774)

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.

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

  - A flaw was found in the way libarchive handled hardlink     archive entries of non-zero size. Combined with flaws     in libarchive's file system sandboxing, this issue     could cause an application using libarchive to     overwrite arbitrary files with arbitrary data from the     archive. (CVE-2016-5418)

  - Multiple out-of-bounds write flaws were found in     libarchive.

  - Specially crafted ZIP, 7ZIP, or RAR files could cause a     heap overflow, potentially allowing code execution in     the context of the application using libarchive.
    (CVE-2016-1541, CVE-2016-4300, CVE-2016-4302)

  - Multiple out-of-bounds read flaws were found in     libarchive.

  - Specially crafted LZA/LZH, AR, MTREE, ZIP, TAR, or RAR     files could cause the application to read data out of     bounds, potentially disclosing a small amount of     application memory, or causing an application crash.
    (CVE-2015-8919, CVE-2015-8920, CVE-2015-8921,     CVE-2015-8923, CVE-2015-8924, CVE-2015-8925,     CVE-2015-8926, CVE-2015-8928, CVE-2015-8934)

  - Multiple NULL pointer dereference flaws were found in     libarchive.

  - Specially crafted RAR, CAB, or 7ZIP files could cause     an application using libarchive to crash.
    (CVE-2015-8916, CVE-2015-8917, CVE-2015-8922)

  - Multiple infinite loop / resource exhaustion flaws were     found in libarchive. Specially crafted GZIP or ISO     files could cause the application to consume an     excessive amount of resources, eventually leading to a     crash on memory exhaustion. (CVE-2016-7166,     CVE-2015-8930)

  - A denial of service vulnerability was found in     libarchive. A specially crafted CPIO archive containing     a symbolic link to a large target path could cause     memory allocation to fail, causing an application using     libarchive that attempted to view or extract such     archive to crash. (CVE-2016-4809)

  - An integer overflow flaw, leading to a buffer overflow,     was found in libarchive's construction of ISO9660     volumes. Attempting to create an ISO9660 volume with 2     GB or 4 GB file names could cause the application to     attempt to allocate 20 GB of memory. If this were to     succeed, it could lead to an out of bounds write on the     heap and potential code execution. (CVE-2016-6250)

  - Multiple instances of undefined behavior due to     arithmetic overflow were found in libarchive. Specially     crafted MTREE archives, Compress streams, or ISO9660     volumes could potentially cause the application to fail     to read the archive, or to crash. (CVE-2015-8931,     CVE-2015-8932, CVE-2016-5844)

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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
93451	RHEL 6 : libarchive (RHSA-2016:1850)	Nessus	Red Hat Local Security Checks	2016/9/13	2026/1/26	high
93453	Scientific Linux Security Update : libarchive on SL6.x i386/x86_64 (20160912)	Nessus	Scientific Linux Local Security Checks	2016/9/13	2026/1/26	high
93542	CentOS 6 : libarchive (CESA-2016:1850)	Nessus	CentOS Local Security Checks	2016/9/16	2026/1/23	high
96234	GLSA-201701-03 : libarchive: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	2017/1/3	2026/1/7	high
111859	Photon OS 1.0: Binutils / Libarchive / Ntp PHSA-2017-0010 (deprecated)	Nessus	PhotonOS Local Security Checks	2018/8/17	2019/2/7	critical
93446	Oracle Linux 7 : libarchive (ELSA-2016-1844)	Nessus	Oracle Linux Local Security Checks	2016/9/13	2026/1/26	high
93541	CentOS 7 : libarchive (CESA-2016:1844)	Nessus	CentOS Local Security Checks	2016/9/16	2026/1/23	high
97660	Ubuntu 14.04 LTS / 16.04 LTS : libarchive vulnerabilities (USN-3225-1)	Nessus	Ubuntu Local Security Checks	2017/3/10	2024/8/27	high
93695	Debian DSA-3677-1 : libarchive - security update	Nessus	Debian Local Security Checks	2016/9/26	2026/1/23	high
121677	Photon OS 1.0: Libarchive PHSA-2017-0010	Nessus	PhotonOS Local Security Checks	2019/2/7	2024/7/22	high
93415	Debian DLA-617-1 : libarchive security update	Nessus	Debian Local Security Checks	2016/9/12	2026/1/26	medium
93447	Oracle Linux 6 : libarchive (ELSA-2016-1850)	Nessus	Oracle Linux Local Security Checks	2016/9/13	2026/1/26	high
93450	RHEL 7 : libarchive (RHSA-2016:1844)	Nessus	Red Hat Local Security Checks	2016/9/13	2026/1/26	high
99808	EulerOS 2.0 SP1 : libarchive (EulerOS-SA-2016-1045)	Nessus	Huawei Local Security Checks	2017/5/1	2025/12/22	high

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