The rhev-hypervisor5 package provides a Red Hat Enterprise Virtualization
Hypervisor ISO disk image. The Red Hat Enterprise Virtualization
Hypervisor is a dedicated Kernel-based Virtual Machine (KVM) hypervisor.
It includes everything necessary to run and manage virtual machines: A
subset of the Red Hat Enterprise Linux operating environment and the Red
Hat Enterprise Virtualization Agent.
Note: Red Hat Enterprise Virtualization Hypervisor is only available for
the Intel 64 and AMD64 architectures with virtualization extensions.
A heap overflow flaw was found in the way QEMU-KVM emulated the e1000
network interface card. A privileged guest user in a virtual machine whose
network interface is configured to use the e1000 emulated driver could use
this flaw to crash the host or, possibly, escalate their privileges on the
host. (CVE-2012-0029)
A divide-by-zero flaw was found in the Linux kernel's igmp_heard_query()
function. An attacker able to send certain IGMP (Internet Group Management
Protocol) packets to a target system could use this flaw to cause a denial
of service. (CVE-2012-0207)
A double free flaw was discovered in the policy checking code in OpenSSL.
A remote attacker could use this flaw to crash an application that uses
OpenSSL by providing an X.509 certificate that has specially-crafted
policy extension data. (CVE-2011-4109)
An information leak flaw was found in the SSL 3.0 protocol implementation
in OpenSSL. Incorrect initialization of SSL record padding bytes could
cause an SSL client or server to send a limited amount of possibly
sensitive data to its SSL peer via the encrypted connection.
(CVE-2011-4576)
It was discovered that OpenSSL did not limit the number of TLS/SSL
handshake restarts required to support Server Gated Cryptography. A remote
attacker could use this flaw to make a TLS/SSL server using OpenSSL consume
an excessive amount of CPU by continuously restarting the handshake.
(CVE-2011-4619)
Red Hat would like to thank Nicolae Mogoreanu for reporting CVE-2012-0029,
and Simon McVittie for reporting CVE-2012-0207.
This updated package provides updated components that include fixes for
various security issues. These issues have no security impact on Red Hat
Enterprise Virtualization Hypervisor itself, however. The security fixes
included in this update address the following CVE numbers:
CVE-2006-1168 and CVE-2011-2716 (busybox issues)
CVE-2009-5029, CVE-2009-5064, CVE-2010-0830 and CVE-2011-1089 (glibc
issues)
CVE-2011-1083, CVE-2011-3638, CVE-2011-4086, CVE-2011-4127 and
CVE-2012-0028 (kernel issues)
CVE-2011-1526 (krb5 issue)
CVE-2011-4347 (kvm issue)
CVE-2010-4008, CVE-2011-0216, CVE-2011-2834, CVE-2011-3905, CVE-2011-3919
and CVE-2011-1944 (libxml2 issues)
CVE-2011-1749 (nfs-utils issue)
CVE-2011-4108 (openssl issue)
CVE-2011-0010 (sudo issue)
CVE-2011-1675 and CVE-2011-1677 (util-linux issues)
CVE-2010-0424 (vixie-cron issue)
This updated rhev-hypervisor5 package fixes various bugs. Documentation of
these changes will be available shortly in the Technical Notes document:
https://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Virtualization_for_Servers/2.2/html/Technical_Notes/index.html
Users of Red Hat Enterprise Virtualization Hypervisor are advised to
upgrade to this updated package, which fixes these issues.
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With this\n update, msh has been modified to execute and exit empty\n loops correctly, so that hangs no longer occur.\n\nAll users of busybox are advised to upgrade to these updated packages,\nwhich contain backported patches to fix these issues.\"\n );\n # https://listserv.fnal.gov/scripts/wa.exe?A2=ind1207&L=scientific-linux-errata&T=0&P=3352\n script_set_attribute(\n attribute:\"see_also\",\n value:\"http://www.nessus.org/u?401600f0\"\n );\n script_set_attribute(\n attribute:\"solution\", \n value:\"Update the affected busybox and / or busybox-petitboot packages.\"\n );\n script_set_cvss_base_vector(\"CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P\");\n\n script_set_attribute(attribute:\"plugin_type\", value:\"local\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:fermilab:scientific_linux:busybox\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:fermilab:scientific_linux:busybox-petitboot\");\n script_set_attribute(attribute:\"cpe\", value:\"x-cpe:/o:fermilab:scientific_linux\");\n\n script_set_attribute(attribute:\"vuln_publication_date\", value:\"2006/08/14\");\n script_set_attribute(attribute:\"patch_publication_date\", value:\"2012/06/20\");\n script_set_attribute(attribute:\"plugin_publication_date\", value:\"2012/08/01\");\n script_set_attribute(attribute:\"generated_plugin\", value:\"current\");\n script_end_attributes();\n\n script_category(ACT_GATHER_INFO);\n script_copyright(english:\"This script is Copyright (C) 2012-2021 and is owned by Tenable, Inc. or an Affiliate thereof.\");\n script_family(english:\"Scientific Linux Local Security Checks\");\n\n script_dependencies(\"ssh_get_info.nasl\");\n script_require_keys(\"Host/local_checks_enabled\", \"Host/cpu\", \"Host/RedHat/release\", \"Host/RedHat/rpm-list\");\n\n exit(0);\n}\n\n\ninclude(\"audit.inc\");\ninclude(\"global_settings.inc\");\ninclude(\"misc_func.inc\");\ninclude(\"rpm.inc\");\n\nif (!get_kb_item(\"Host/local_checks_enabled\")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);\nrelease = get_kb_item(\"Host/RedHat/release\");\nif (isnull(release) || \"Scientific Linux \" >!< release) audit(AUDIT_HOST_NOT, \"running Scientific Linux\");\nos_ver = pregmatch(pattern: \"Scientific Linux.*release ([0-9]+(\\.[0-9]+)?)\", string:release);\nif (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, \"Scientific Linux\");\nos_ver = os_ver[1];\nif (! preg(pattern:\"^6([^0-9]|$)\", string:os_ver)) audit(AUDIT_OS_NOT, \"Scientific Linux 6.x\", \"Scientific Linux \" + os_ver);\nif (!get_kb_item(\"Host/RedHat/rpm-list\")) audit(AUDIT_PACKAGE_LIST_MISSING);\n\ncpu = get_kb_item(\"Host/cpu\");\nif (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);\nif (cpu >!< \"x86_64\" && cpu !~ \"^i[3-6]86$\") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, \"Scientific Linux\", cpu);\n\n\nflag = 0;\nif (rpm_check(release:\"SL6\", reference:\"busybox-1.15.1-15.el6\")) flag++;\nif (rpm_check(release:\"SL6\", reference:\"busybox-petitboot-1.15.1-15.el6\")) flag++;\n\n\nif (flag)\n{\n security_report_v4(\n port : 0,\n severity : SECURITY_HOLE,\n extra : rpm_report_get()\n );\n exit(0);\n}\nelse\n{\n tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, \"busybox / busybox-petitboot\");\n}\n", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-01-11T14:50:38", "description": "From Red Hat Security Advisory 2012:0810 :\n\nUpdated busybox packages that fix two security issues and several bugs are now available for Red Hat Enterprise Linux 6.\n\nThe Red Hat Security Response Team has rated this update as having low security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.\n\nBusyBox 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.\n\nA 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)\n\nThe BusyBox DHCP client, udhcpc, did not sufficiently sanitize certain options provided in DHCP server replies, such as the client hostname.\nA 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)\n\nThis update also fixes the following bugs :\n\n* 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)\n\n* 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\n-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.\n(BZ#752134)\n\n* Prior to this update, the msh shell did not support the 'set -o pipefail' command. This update adds support for this command.\n(BZ#782018)\n\n* 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)\n\n* Previously, the msh shell incorrectly executed empty loops. 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(RHSA-2012:0168) Important: rhev-hypervisor5 security and bug fix update
