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CVE-2017-15118

Qemu: stack buffer overflow in NBD server triggered via long export name

A stack-based buffer overflow vulnerability was found in NBD server implementation in qemu before 2.11 allowing a client to request an export name of size up to 4096 bytes, which in fact should be limited to 256 bytes, causing an out-of-bounds stack write in the qemu process. If NBD server requires TLS, the attacker cannot trigger the buffer overflow without first successfully negotiating TLS.

CVSS 3.0 · 8.3 High EPSS 11.9% KEV · Not listed
Vendors
Canonical Qemu Redhat
Products
Ubuntu Linux Qemu Enterprise Linux and 1 more
CVE-2016-9603

Qemu: cirrus: heap buffer overflow via vnc connection

A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support before 2.9; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this flaw to crash the QEMU process or, potentially, execute arbitrary code on the host with privileges of the QEMU process.

CVSS 3.0 · 5.5 Medium EPSS 4.4% KEV · Not listed
Vendors
Citrix Debian Qemu and 1 more
Products
Xenserver Debian Linux Qemu and 7 more
CVE-2016-9599

puppet-tripleo: if ssl is enabled, traffic is open on both undercloud and overcloud

puppet-tripleo before versions 5.5.0, 6.2.0 is vulnerable to an access-control flaw in the IPtables rules management, which allowed the creation of TCP/UDP rules with empty port values. If SSL is enabled, a malicious user could use these open ports to gain access to unauthorized resources.

CVSS 3.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Openstack Redhat
Products
Puppet-tripleo Openstack
CVE-2016-9590

puppet-swift: installs config file with world readable permissions

puppet-swift before versions 8.2.1, 9.4.4 is vulnerable to an information-disclosure in Red Hat OpenStack Platform director's installation of Object Storage (swift). During installation, the Puppet script responsible for deploying the service incorrectly removes and recreates the proxy-server.conf file with world-readable permissions.

CVSS 3.0 · 6.5 Medium EPSS 1.1% KEV · Not listed
Vendors
Openstack Redhat
Products
Puppet-swift Openstack
CVE-2016-9587

Ansible: Compromised remote hosts can lead to running commands on the Ansible controller

Ansible before versions 2.1.4, 2.2.1 is vulnerable to an improper input validation in Ansible's handling of data sent from client systems. An attacker with control over a client system being managed by Ansible and the ability to send facts back to the Ansible server could use this flaw to execute arbitrary code on the Ansible server using the Ansible server privileges.

CVSS 3.1 · 8.1 High EPSS 17.0% KEV · Not listed
Vendors
Ansible Redhat
Products
Ansible Ansible Openshift and 4 more
CVE-2016-2124

samba: SMB1 client connections can be downgraded to plaintext authentication

A flaw was found in the way samba implemented SMB1 authentication. An attacker could use this flaw to retrieve the plaintext password sent over the wire even if Kerberos authentication was required.

CVSS 3.1 · 5.9 Medium EPSS 1.8% KEV · Not listed
Vendors
Canonical Debian Fedoraproject and 2 more
Products
Ubuntu Linux Debian Linux Fedora and 23 more
CVE-2016-2121

redis: weak permissions on sensitive files

A permissions flaw was found in redis, which sets weak permissions on certain files and directories that could potentially contain sensitive information. A local, unprivileged user could possibly use this flaw to access unauthorized system information.

CVSS 3.0 · 4 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Openstack
CVE-2015-8011

lldpd: buffer overflow in the lldp_decode function in daemon/protocols/lldp.c

Buffer overflow in the lldp_decode function in daemon/protocols/lldp.c in lldpd before 0.8.0 allows remote attackers to cause a denial of service (daemon crash) and possibly execute arbitrary code via vectors involving large management addresses and TLV boundaries.

CVSS 3.1 · 9.8 Critical EPSS 5.5% KEV · Not listed
Vendors
Debian Fedoraproject Lldpd Project and 1 more
Products
Debian Linux Fedora Lldpd and 5 more
CVE-2015-6815

qemu: net: e1000: infinite loop issue

The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to cause a denial of service (infinite loop and guest crash) via unspecified vectors.

CVSS 3.1 · 3.5 Low EPSS < 1% KEV · Not listed
Vendors
Arista Canonical Fedoraproject and 4 more
Products
Eos Ubuntu Linux Fedora and 8 more
CVE-2015-5741

golang: HTTP request smuggling in net/http library

The net/http library in net/http/transfer.go in Go before 1.4.3 does not properly parse HTTP headers, which allows remote attackers to conduct HTTP request smuggling attacks via a request that contains Content-Length and Transfer-Encoding header fields.

CVSS 3.1 · 9.8 Critical EPSS 2.7% KEV · Not listed
Vendors
Golang Redhat
Products
Go Enterprise Linux Openstack
CVE-2014-0148

Qemu: vhdx: bounds checking for block_size and logical_sector_size

Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for block_size and logical_sector_size variables. These are used to derive other fields like 'sectors_per_block' etc. A user able to alter the Qemu disk image could ise this flaw to crash the Qemu instance resulting in DoS.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Qemu Redhat
Products
Qemu Enterprise Linux Enterprise Linux Desktop and 8 more
CVE-2014-0147

Qemu: block: possible crash due signed types or logic error

Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format, are vulnerable to a possible crash caused by signed data types or a logic error while creating QCOW2 snapshots, which leads to incorrectly calling update_refcount() routine.

CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Vendors
Fedoraproject Qemu Redhat
Products
Fedora Qemu Enterprise Linux and 9 more
CVE-2014-0144

Qemu: block: missing input validation

QEMU before 2.0.0 block drivers for CLOOP, QCOW2 version 2 and various other image formats are vulnerable to potential memory corruptions, integer/buffer overflows or crash caused by missing input validations which could allow a remote user to execute arbitrary code on the host with the privileges of the QEMU process.

CVSS 3.1 · 8.6 High EPSS 1.0% KEV · Not listed
Vendors
Qemu Redhat
Products
Qemu Enterprise Linux Enterprise Linux Desktop and 8 more
CVE-2013-4536

qemu: virtio: insufficient validation of num_sg when mapping

An user able to alter the savevm data (either on the disk or over the wire during migration) could use this flaw to to corrupt QEMU process memory on the (destination) host, which could potentially result in arbitrary code execution on the host with the privileges of the QEMU process.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Qemu Redhat
Products
Qemu Enterprise Linux Openstack
CVE-2013-4535

qemu: virtio: insufficient validation of num_sg when mapping

The virtqueue_map_sg function in hw/virtio/virtio.c in QEMU before 1.7.2 allows remote attackers to execute arbitrary files via a crafted savevm image, related to virtio-block or virtio-serial read.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Qemu Redhat
Products
Qemu Enterprise Linux Enterprise Linux Desktop and 5 more
CVE-2013-2255

openstack-*: Inconsistent and non-validating HTTPS client

HTTPSConnections in OpenStack Keystone 2013, OpenStack Compute 2013.1, and possibly other OpenStack components, fail to validate server-side SSL certificates.

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Vendors
Debian Openstack Redhat
Products
Debian Linux Compute Keystone and 1 more