The remote host is affected by the vulnerability described in GLSA-200610-03 (ncompress: Buffer Underflow)

    Tavis Ormandy of the Google Security Team discovered a static buffer     underflow in ncompress.
  Impact :

    An attacker could create a specially crafted LZW archive, that when     decompressed by a user or automated system would result in the     execution of arbitrary code with the permissions of the user invoking     the utility.
  Workaround :

    There is no known workaround at this time.

BusyBox provides a single binary that includes versions of a large number of system commands, including a shell. This can be very useful for recovering from certain types of system failures, particularly those involving broken shared libraries.

A buffer underflow flaw was found in the way the uncompress utility of BusyBox expanded certain archive files compressed using Lempel-Ziv compression. If a user were tricked into expanding a specially crafted archive file with uncompress, it could cause BusyBox to crash or, potentially, execute arbitrary code with the privileges of the user running BusyBox. (CVE-2006-1168)

The BusyBox DHCP client, udhcpc, did not sufficiently sanitize certain options provided in DHCP server replies, such as the client hostname.
A malicious DHCP server could send such an option with a specially crafted value to a DHCP client. If this option's value was saved on the client system, and then later insecurely evaluated by a process that assumes the option is trusted, it could lead to arbitrary code execution with the privileges of that process. Note: udhcpc is not used on Scientific Linux by default, and no DHCP client script is provided with the busybox packages. (CVE-2011-2716)

This update also fixes the following bugs :

  - Prior to this update, the 'findfs' command did not     recognize Btrfs partitions. As a consequence, an error     message could occur when dumping a core file. This     update adds support for recognizing such partitions so     the problem no longer occurs.

  - If the 'grep' command was used with the '-F' and '-i'     options at the same time, the '-i' option was ignored.
    As a consequence, the 'grep -iF' command incorrectly     performed a case-sensitive search instead of an     insensitive search. A patch has been applied to ensure     that the combination of the '-F' and '-i' options works     as expected.

  - Prior to this update, the msh shell did not support the     'set -o pipefail' command. This update adds support for     this command.

  - Previously, the msh shell could terminate unexpectedly     with a segmentation fault when attempting to execute an     empty command as a result of variable substitution (for     example msh -c '$nonexistent_variable'). With this     update, msh has been modified to correctly interpret     such commands and no longer crashes in this scenario.

  - Previously, the msh shell incorrectly executed empty     loops. As a consequence, msh never exited such a loop     even if the loop condition was false, which could cause     scripts using the loop to become unresponsive. With this     update, msh has been modified to execute and exit empty     loops correctly, so that hangs no longer occur.

All users of busybox are advised to upgrade to these updated packages, which contain backported patches to fix these issues.

From Red Hat Security Advisory 2006:0663 :

Updated ncompress packages that address a security issue and fix bugs are now available.

This update has been rated as having low security impact by the Red Hat Security Response Team.

The ncompress package contains file compression and decompression utilities, which are compatible with the original UNIX compress utility (.Z file extensions).

Tavis Ormandy of the Google Security Team discovered a lack of bounds checking in ncompress. An attacker could create a carefully crafted file that could execute arbitrary code if uncompressed by a victim.
(CVE-2006-1168)

In addition, two bugs that affected Red Hat Enterprise Linux 4 ncompress packages were fixed :

* The display statistics and compression results in verbose mode were not shown when operating on zero length files.

* An attempt to compress zero length files resulted in an unexpected return code.

Users of ncompress are advised to upgrade to these updated packages, which contain backported patches to correct these issues.

A buffer underflow flaw was found in the way the uncompress utility of BusyBox expanded certain archive files compressed using Lempel-Ziv compression. If a user were tricked into expanding a specially crafted archive file with uncompress, it could cause BusyBox to crash or, potentially, execute arbitrary code with the privileges of the user running BusyBox. (CVE-2006-1168)

The BusyBox DHCP client, udhcpc, did not sufficiently sanitize certain options provided in DHCP server replies, such as the client hostname.
A malicious DHCP server could send such an option with a specially crafted value to a DHCP client. If this option's value was saved on the client system, and then later insecurely evaluated by a process that assumes the option is trusted, it could lead to arbitrary code execution with the privileges of that process. (CVE-2011-2716)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2012:0810 advisory.

    BusyBox provides a single binary that includes versions of a large number     of system commands, including a shell. This can be very useful for     recovering from certain types of system failures, particularly those     involving broken shared libraries.

    A buffer underflow flaw was found in the way the uncompress utility of     BusyBox expanded certain archive files compressed using Lempel-Ziv     compression. If a user were tricked into expanding a specially-crafted     archive file with uncompress, it could cause BusyBox to crash or,     potentially, execute arbitrary code with the privileges of the user     running BusyBox. (CVE-2006-1168)

    The BusyBox DHCP client, udhcpc, did not sufficiently sanitize certain     options provided in DHCP server replies, such as the client hostname. A     malicious DHCP server could send such an option with a specially-crafted     value to a DHCP client. If this option's value was saved on the client     system, and then later insecurely evaluated by a process that assumes the     option is trusted, it could lead to arbitrary code execution with the     privileges of that process. Note: udhcpc is not used on Red Hat Enterprise     Linux by default, and no DHCP client script is provided with the busybox     packages. (CVE-2011-2716)

    This update also fixes the following bugs:

    * Prior to this update, the findfs command did not recognize Btrfs     partitions. As a consequence, an error message could occur when dumping a     core file. This update adds support for recognizing such partitions so     the problem no longer occurs. (BZ#751927)

    * If the grep command was used with the -F and -i options at the     same time, the -i option was ignored. As a consequence, the grep -iF     command incorrectly performed a case-sensitive search instead of an     insensitive search. A patch has been applied to ensure that the combination     of the -F and -i options works as expected. (BZ#752134)

    * Prior to this update, the msh shell did not support the set -o pipefail     command. This update adds support for this command. (BZ#782018)

    * Previously, the msh shell could terminate unexpectedly with a     segmentation fault when attempting to execute an empty command as a result     of variable substitution (for example msh -c '$nonexistent_variable').
    With this update, msh has been modified to correctly interpret such     commands and no longer crashes in this scenario. (BZ#809092)

    * Previously, the msh shell incorrectly executed empty loops. As a     consequence, msh never exited such a loop even if the loop condition was     false, which could cause scripts using the loop to become unresponsive.
    With this update, msh has been modified to execute and exit empty loops     correctly, so that hangs no longer occur. (BZ#752132)

    All users of busybox are advised to upgrade to these updated packages,     which contain backported patches to fix these issues.

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 Redhat Enterprise Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2012:0308 advisory.

    BusyBox provides a single binary that includes versions of a large number     of system commands, including a shell. This can be very useful for     recovering from certain types of system failures, particularly those     involving broken shared libraries.

    A buffer underflow flaw was found in the way the uncompress utility of     BusyBox expanded certain archive files compressed using Lempel-Ziv     compression. If a user were tricked into expanding a specially-crafted     archive file with uncompress, it could cause BusyBox to crash or,     potentially, execute arbitrary code with the privileges of the user running     BusyBox. (CVE-2006-1168)

    The BusyBox DHCP client, udhcpc, did not sufficiently sanitize certain     options provided in DHCP server replies, such as the client hostname. A     malicious DHCP server could send such an option with a specially-crafted     value to a DHCP client. If this option's value was saved on the client     system, and then later insecurely evaluated by a process that assumes the     option is trusted, it could lead to arbitrary code execution with the     privileges of that process. Note: udhcpc is not used on Red Hat Enterprise     Linux by default, and no DHCP client script is provided with the busybox     packages. (CVE-2011-2716)

    This update also fixes the following bugs:

    * Prior to this update, the cp command wrongly returned the exit code 0 to     indicate success if a device ran out of space while attempting to copy     files of more than 4 gigabytes. This update modifies BusyBox, so that in     such situations, the exit code 1 is returned. Now, the cp command shows     correctly whether a process failed. (BZ#689659)

    * Prior to this update, the findfs command failed to check all existing     block devices on a system with thousands of block device nodes in /dev/.
    This update modifies BusyBox so that findfs checks all block devices even     in this case. (BZ#756723)

    All users of busybox are advised to upgrade to these updated packages,     which correct these issues.

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 MiracleLinux 4 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2012-587:01 advisory.

    Busybox is a single binary which includes versions of a large number of system commands, including a     shell. This package can be very useful for recovering from certain types of system failures, particularly     those involving broken shared libraries.
    Security issues fixed with this release:
     CVE-2006-1168     The decompress function in compress42.c in (1) ncompress 4.2.4 and (2) liblzw allows remote attackers to     cause a denial of service (crash), and possibly execute arbitrary code, via crafted data that leads to a     buffer underflow.
     CVE-2011-2716     The DHCP client (udhcpc) in BusyBox before 1.20.0 allows remote DHCP servers to execute arbitrary commands     via shell metacharacters in the (1) HOST_NAME, (2) DOMAIN_NAME, (3) NIS_DOMAIN, and (4) TFTP_SERVER_NAME     host name options.
    Fixed bugs:
     The findfs command now supports the Btrfs partitions; it solves a potential error message when dumping     a core file.
     When using the -F and -i options simultaneously with grep, the -i option was ignored; this has     been fixed.
     The msh shell now supports the set -o pipefail command.
     When trying to execute an empty command resulting from a variable substitution (msh -c     '$nonexistent_variable'), msh could crash with a segmentation fault. This has been fixed.
     msh now handles and exit empty loops properly, solving loops becoming unresponsive.

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.

Updated ncompress packages that address a security issue and fix bugs are now available.

This update has been rated as having low security impact by the Red Hat Security Response Team.

The ncompress package contains file compression and decompression utilities, which are compatible with the original UNIX compress utility (.Z file extensions).

Tavis Ormandy of the Google Security Team discovered a lack of bounds checking in ncompress. An attacker could create a carefully crafted file that could execute arbitrary code if uncompressed by a victim.
(CVE-2006-1168)

In addition, two bugs that affected Red Hat Enterprise Linux 4 ncompress packages were fixed :

* The display statistics and compression results in verbose mode were not shown when operating on zero length files.

* An attempt to compress zero length files resulted in an unexpected return code.

Users of ncompress are advised to upgrade to these updated packages, which contain backported patches to correct these issues.

The remote Redhat Enterprise Linux 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2006:0663 advisory.

    The ncompress package contains file compression and decompression     utilities, which are compatible with the original UNIX compress utility (.Z     file extensions).

    Tavis Ormandy of the Google Security Team discovered a lack of bounds     checking in ncompress. An attacker could create a carefully crafted file     that could execute arbitrary code if uncompressed by a victim. (CVE-2006-1168)

    In addition, two bugs that affected Red Hat Enterprise Linux 4 ncompress     packages were fixed:

    * The display statistics and compression results in verbose mode were not     shown when operating on zero length files.

    * An attempt to compress zero length files resulted in an unexpected return     code.

    Users of ncompress are advised to upgrade to these updated packages, which     contain backported patches to correct these issues.

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.

Lack of bounds checking in the decompression routine could result in a heap buffer underflow. Attackers could potentially exploit this to execute arbitrary code by tricking users into decompressing a specially crafted archive. (CVE-2006-1168)

BusyBox provides a single binary that includes versions of a large number of system commands, including a shell. This can be very useful for recovering from certain types of system failures, particularly those involving broken shared libraries.

A buffer underflow flaw was found in the way the uncompress utility of BusyBox expanded certain archive files compressed using Lempel-Ziv compression. If a user were tricked into expanding a specially crafted archive file with uncompress, it could cause BusyBox to crash or, potentially, execute arbitrary code with the privileges of the user running BusyBox. (CVE-2006-1168)

The BusyBox DHCP client, udhcpc, did not sufficiently sanitize certain options provided in DHCP server replies, such as the client hostname.
A malicious DHCP server could send such an option with a specially crafted value to a DHCP client. If this option's value was saved on the client system, and then later insecurely evaluated by a process that assumes the option is trusted, it could lead to arbitrary code execution with the privileges of that process. Note: udhcpc is not used on Scientific Linux by default, and no DHCP client script is provided with the busybox packages. (CVE-2011-2716)

This update also fixes the following bugs :

  - Prior to this update, the cp command wrongly returned     the exit code 0 to indicate success if a device ran out     of space while attempting to copy files of more than 4     gigabytes. This update modifies BusyBox, so that in such     situations, the exit code 1 is returned. Now, the cp     command shows correctly whether a process failed.

  - Prior to this update, the findfs command failed to check     all existing block devices on a system with thousands of     block device nodes in '/dev/'. This update modifies     BusyBox so that findfs checks all block devices even in     this case.

All users of busybox are advised to upgrade to these updated packages, which correct these issues.

The remote host is affected by the vulnerability described in GLSA-201312-02 (BusyBox: Multiple vulnerabilities)

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

    A remote attacker could send a specially crafted DHCP request to       possibly execute arbitrary code or cause Denial of Service.
  Workaround :

    There is no known workaround at this time.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
22522	GLSA-200610-03 : ncompress: Buffer Underflow	Nessus	Gentoo Local Security Checks	2006/10/10	2021/1/6	high
61337	Scientific Linux Security Update : busybox on SL6.x i386/x86_64 (20120620)	Nessus	Scientific Linux Local Security Checks	2012/8/1	2021/1/14	high
67406	Oracle Linux 3 / 4 : ncompress (ELSA-2006-0663)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2021/1/14	high
69593	Amazon Linux AMI : busybox (ALAS-2012-103)	Nessus	Amazon Linux Local Security Checks	2013/9/4	2018/4/18	high
59586	RHEL 6 : busybox (RHSA-2012:0810)	Nessus	Red Hat Local Security Checks	2012/6/20	2024/11/4	critical
58062	RHEL 5 : busybox (RHSA-2012:0308)	Nessus	Red Hat Local Security Checks	2012/2/21	2024/11/4	critical
284173	MiracleLinux 4 : busybox-1.15.1-15.AXS4 (AXSA:2012-587:01)	Nessus	Miracle Linux Local Security Checks	2026/1/14	2026/1/14	critical
22338	CentOS 3 / 4 : ncompress (CESA-2006:0663)	Nessus	CentOS Local Security Checks	2006/9/14	2021/1/4	high
22345	RHEL 4 : ncompress (RHSA-2006:0663)	Nessus	Red Hat Local Security Checks	2006/9/14	2025/3/21	critical
29527	SuSE 10 Security Update : ncompress (ZYPP Patch Number 1911)	Nessus	SuSE Local Security Checks	2007/12/13	2021/1/14	high
61257	Scientific Linux Security Update : busybox on SL5.x i386/x86_64 (20120221)	Nessus	Scientific Linux Local Security Checks	2012/8/1	2021/1/14	high
71168	GLSA-201312-02 : BusyBox: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	2013/12/3	2021/1/6	high

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