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Files from Ubuntu

Email addresssecurity at ubuntu.com
First Active2004-10-28
Last Active2017-10-24
Ubuntu Security Notice USN-3434-2
Posted Oct 24, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3434-2 - USN-3434-1 fixed a vulnerability inA A Libidn. This update provides the corresponding update for Ubuntu 12.04 ESM. A It was discovered that Libidn incorrectly handled decoding certain A digits. A remote attacker could use this issue to cause Libidn to A crash, resulting in a denial of service, or possibly execute arbitrary A code. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
MD5 | 7223865ac706e78e879919d526ab403c
Ubuntu Security Notice USN-3441-2
Posted Oct 23, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3441-2 - USN-3441-1 fixed several vulnerabilities in curl. This update provides the corresponding update for Ubuntu 12.04 ESM. A Daniel Stenberg discovered that curl incorrectly handled large A floating point output. A remote attacker could use this issue to cause A curl to crash, resulting in a denial of service, or possibly execute A arbitrary code. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2016-9586, CVE-2017-1000100, CVE-2017-1000101, CVE-2017-1000254, CVE-2017-1000257, CVE-2017-7407
MD5 | 760c2b6698f663e2ef5f890cf50af9ce
Ubuntu Security Notice USN-3458-2
Posted Oct 23, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3458-2 - USN-3458-1 fixed a vulnerability in ICU. This update provides the corresponding update for Ubuntu 12.04 ESM. A It was discovered that ICU incorrectly handled certain inputs. If an A application using ICU processed crafted data, a remote attacker could A possibly cause it to crash or potentially execute arbitrary code with A the privileges of the user invoking the program. Various other issues were also addressed.

tags | advisory, remote, arbitrary
systems | linux, ubuntu
MD5 | 1c119183f24e078760ecc5cdff7e6e19
Ubuntu Security Notice USN-3461-1
Posted Oct 23, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3461-1 - It was discovered that the NVIDIA graphics drivers contained flaws in the kernel mode layer. A local attacker could use these issues to cause a denial of service or potentially escalate their privileges on the system.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-6257, CVE-2017-6259, CVE-2017-6266, CVE-2017-6267, CVE-2017-6272
MD5 | b36d6a3043d7c58c72e12d941ea51360
Ubuntu Security Notice USN-3458-1
Posted Oct 23, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3458-1 - It was discovered that ICU incorrectly handled certain inputs. If an application using ICU processed crafted data, a remote attacker could possibly cause it to crash or potentially execute arbitrary code with the privileges of the user invoking the program.

tags | advisory, remote, arbitrary
systems | linux, ubuntu
MD5 | 19c278606cb22456283a53f63a922740
Ubuntu Security Notice USN-3460-1
Posted Oct 23, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3460-1 - A large number of security issues were discovered in the WebKitGTK+ Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.

tags | advisory, remote, web, denial of service, arbitrary, javascript, code execution, xss
systems | linux, ubuntu
advisories | CVE-2017-7087, CVE-2017-7089, CVE-2017-7090, CVE-2017-7091, CVE-2017-7092, CVE-2017-7093, CVE-2017-7095, CVE-2017-7096, CVE-2017-7098, CVE-2017-7100, CVE-2017-7102, CVE-2017-7104, CVE-2017-7107, CVE-2017-7109, CVE-2017-7111, CVE-2017-7117, CVE-2017-7120
MD5 | 254d64d18cd661912facd6bbf8261ce5
Ubuntu Security Notice USN-3459-1
Posted Oct 23, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3459-1 - Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to 5.5.58 in Ubuntu 14.04 LTS. Ubuntu 16.04 LTS, Ubuntu 17.04 and Ubuntu 17.10 have been updated to MySQL 5.7.20. In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes. Various other issues were also addressed.

tags | advisory
systems | linux, ubuntu
advisories | CVE-2017-10155, CVE-2017-10165, CVE-2017-10167, CVE-2017-10227, CVE-2017-10268, CVE-2017-10276, CVE-2017-10283, CVE-2017-10286, CVE-2017-10294, CVE-2017-10311, CVE-2017-10313, CVE-2017-10314, CVE-2017-10320, CVE-2017-10378, CVE-2017-10379, CVE-2017-10384
MD5 | 6c321829adc587f190c8165e2cfeb7b3
Ubuntu Security Notice USN-3457-1
Posted Oct 23, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3457-1 - Brian Carpenter discovered that curl incorrectly handled IMAP FETCH response lines. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, remote, denial of service, arbitrary, imap
systems | linux, ubuntu
advisories | CVE-2017-1000257
MD5 | 4e6800eeae059ac1675f3796efc281e4
Ubuntu Security Notice USN-3456-1
Posted Oct 17, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3456-1 - It was discovered that the X.Org X server incorrectly handled certain lengths. An attacker able to connect to an X server, either locally or remotely, could use these issues to crash the server, or possibly execute arbitrary code.

tags | advisory, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-12176, CVE-2017-12177, CVE-2017-12178, CVE-2017-12179, CVE-2017-12180, CVE-2017-12181, CVE-2017-12182, CVE-2017-12183, CVE-2017-12184, CVE-2017-12185, CVE-2017-12186, CVE-2017-12187
MD5 | 403867f137e0eb5c84d32de98e4769a2
Ubuntu Security Notice USN-3455-1
Posted Oct 16, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3455-1 - Mathy Vanhoef discovered that wpa_supplicant and hostapd incorrectly handled WPA2. A remote attacker could use this issue with using key reinstallation attacks to obtain sensitive information. Imre Rad discovered that wpa_supplicant and hostapd incorrectly handled invalid characters in passphrase parameters. A remote attacker could use this issue to cause a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2016-4476, CVE-2016-4477, CVE-2017-13077, CVE-2017-13078, CVE-2017-13079, CVE-2017-13080, CVE-2017-13081, CVE-2017-13082, CVE-2017-13086, CVE-2017-13087, CVE-2017-13088
MD5 | a6dc13bf6c1817ca8b6b932b33c20cda
Ubuntu Security Notice USN-3454-1
Posted Oct 12, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3454-1 - It was discovered that libffi incorrectly enforced an executable stack. An attacker could possibly use this issue, in combination with another vulnerability, to facilitate executing arbitrary code.

tags | advisory, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-1000376
MD5 | 06049d7b2b33d0d9cc2f9cda7795f78a
Ubuntu Security Notice USN-3453-1
Posted Oct 12, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3453-1 - Michal Srb discovered that the X.Org X server incorrectly handled shared memory segments. An attacker able to connect to an X server, either locally or remotely, could use this issue to crash the server, or possibly replace shared memory segments of other X clients in the same session. Michal Srb discovered that the X.Org X server incorrectly handled XKB buffers. An attacker able to connect to an X server, either locally or remotely, could use this issue to crash the server, or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-13721, CVE-2017-13723
MD5 | e9050d546143e3e7cc33f4a53e2d81eb
Ubuntu Security Notice USN-3452-1
Posted Oct 12, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3452-1 - It was discovered that Ceph incorrectly handled the handle_command function. A remote authenticated user could use this issue to cause Ceph to crash, resulting in a denial of service. Rahul Aggarwal discovered that Ceph incorrectly handled the authenticated-read ACL. A remote attacker could possibly use this issue to list bucket contents via a URL. Diluga Salome discovered that Ceph incorrectly handled certain POST objects with null conditions. A remote attacker could possibly use this issue to cuase Ceph to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2016-5009, CVE-2016-7031, CVE-2016-8626, CVE-2016-9579
MD5 | 7ac5f8ae7fdc4167a40f17d10166f2a3
Ubuntu Security Notice USN-3451-1
Posted Oct 12, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3451-1 - It was discovered that OpenStack Swift incorrectly handled tempurls. A remote authenticated user in possession of a tempurl key authorized for PUT could retrieve other objects in the same Swift account. Romain Le Disez and Arjan Persson discovered that OpenStack Swift incorrectly closed client connections. A remote attacker could possibly use this issue to consume resources, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2015-5223, CVE-2016-0737, CVE-2016-0738
MD5 | 1db80ab80134fb9b9b1e8e7db7f42178
Ubuntu Security Notice USN-3450-1
Posted Oct 12, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3450-1 - Bhargava Shastry discovered that Open vSwitch incorrectly handled certain OFP messages. A remote attacker could possibly use this issue to cause Open vSwitch to crash, resulting in a denial of service. It was discovered that Open vSwitch incorrectly handled certain OpenFlow role messages. A remote attacker could possibly use this issue to cause Open vSwitch to crash, resulting in a denial of service. It was discovered that Open vSwitch incorrectly handled certain malformed packets. A remote attacker could possibly use this issue to cause Open vSwitch to crash, resulting in a denial of service. This issue only affected Ubuntu 17.04. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2017-9214, CVE-2017-9263, CVE-2017-9264, CVE-2017-9265
MD5 | b4970ef8d5269933174c21dd7316285b
Ubuntu Security Notice USN-3449-1
Posted Oct 11, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3449-1 - George Shuklin discovered that OpenStack Nova incorrectly handled the migration process. A remote authenticated user could use this issue to consume resources, resulting in a denial of service. George Shuklin and Tushar Patil discovered that OpenStack Nova incorrectly handled deleting instances. A remote authenticated user could use this issue to consume disk resources, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2015-3241, CVE-2015-3280, CVE-2015-5162, CVE-2015-7548, CVE-2015-7713, CVE-2015-8749, CVE-2016-2140
MD5 | f95c90b5d6386190b10eb6cec0a1782e
Ubuntu Security Notice USN-3448-1
Posted Oct 11, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3448-1 - Boris Bobrov discovered that OpenStack Keystone incorrectly handled federation mapping when there are rules in which group-based assignments are not used. A remote authenticated user may receive all the roles assigned to a project regardless of the federation mapping, contrary to expectations.

tags | advisory, remote
systems | linux, ubuntu
advisories | CVE-2017-2673
MD5 | 4b946f8c91b209a310a7691047e91e30
Ubuntu Security Notice USN-3447-1
Posted Oct 11, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3447-1 - Beth Lancaster and Brandon Sawyers discovered that OpenStack Horizon was incorrect protected against cross-site scripting attacks. A remote authenticated user could use this issue to inject web script or HTML in a dashboard form.

tags | advisory, remote, web, xss
systems | linux, ubuntu
advisories | CVE-2016-4428
MD5 | d2bbd0b644f3c03fd015e4e9b8dc725b
Ubuntu Security Notice USN-3446-1
Posted Oct 11, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3446-1 - Hemanth Makkapati discovered that OpenStack Glance incorrectly handled access restrictions. A remote authenticated user could use this issue to change the status of images, contrary to access restrictions. Mike Fedosin and Alexei Galkin discovered that OpenStack Glance incorrectly handled the storage quota. A remote authenticated user could use this issue to consume disk resources, leading to a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2015-5251, CVE-2015-5286, CVE-2016-0757
MD5 | 9d265aef13db5abb162ce64ac86292f5
Ubuntu Security Notice USN-3445-2
Posted Oct 11, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3445-2 - USN-3445-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. Eyal Itkin discovered that the IP over IEEE 1394 implementation in the Linux kernel contained a buffer overflow when handling fragmented packets. A remote attacker could use this to possibly execute arbitrary code with administrative privileges. Various other issues were also addressed.

tags | advisory, remote, overflow, arbitrary, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2016-8633, CVE-2017-14106
MD5 | 60f5a7002950560d9fe7443edc6540cf
Ubuntu Security Notice USN-3443-3
Posted Oct 11, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3443-3 - Andrey Konovalov discovered that a divide-by-zero error existed in the TCP stack implementation in the Linux kernel. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, kernel, local, tcp
systems | linux, ubuntu
advisories | CVE-2017-14106
MD5 | cf13fc16151a8ca7752a3f37d942f30b
Ubuntu Security Notice USN-3444-2
Posted Oct 11, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3444-2 - USN-3444-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Jan H. Schonherr discovered that the Xen subsystem did not properly handle block IO merges correctly in some situations. An attacker in a guest vm could use this to cause a denial of service or possibly gain administrative privileges in the host. Various other issues were also addressed.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-12134, CVE-2017-14106, CVE-2017-14140
MD5 | 35877454252148901b89f4dd6950a1f2
Ubuntu Security Notice USN-3445-1
Posted Oct 11, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3445-1 - Eyal Itkin discovered that the IP over IEEE 1394 implementation in the Linux kernel contained a buffer overflow when handling fragmented packets. A remote attacker could use this to possibly execute arbitrary code with administrative privileges. Andrey Konovalov discovered that a divide-by-zero error existed in the TCP stack implementation in the Linux kernel. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, local, tcp
systems | linux, ubuntu
advisories | CVE-2016-8633, CVE-2017-14106
MD5 | 4f1cff5d96815c2ffb8075194ffc53da
Ubuntu Security Notice USN-3444-1
Posted Oct 11, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3444-1 - Jan H. Schonherr discovered that the Xen subsystem did not properly handle block IO merges correctly in some situations. An attacker in a guest vm could use this to cause a denial of service or possibly gain administrative privileges in the host. Andrey Konovalov discovered that a divide-by-zero error existed in the TCP stack implementation in the Linux kernel. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, tcp
systems | linux, ubuntu
advisories | CVE-2017-12134, CVE-2017-14106, CVE-2017-14140
MD5 | 69e05e53e6c024f8c444c2dfccbfb315
Ubuntu Security Notice USN-3436-1
Posted Oct 11, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3436-1 - Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing-like context, an attacker could potentially exploit these to read uninitialized memory, bypass phishing and malware protection, conduct cross-site scripting attacks, cause a denial of service via application crash, or execute arbitrary code. Martin Thomson discovered that NSS incorrectly generated handshake hashes. A remote attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, xss
systems | linux, ubuntu
advisories | CVE-2017-7793, CVE-2017-7805, CVE-2017-7810, CVE-2017-7814, CVE-2017-7818, CVE-2017-7819, CVE-2017-7823, CVE-2017-7824
MD5 | 4323e9a9cecd97cfdc13a57218217b36
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