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Operating System: Ubuntu

Ubuntu Security Notice USN-3507-2
Posted Dec 9, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3507-2 - Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service or possibly gain administrative privileges. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-12193, CVE-2017-15299, CVE-2017-15306, CVE-2017-15951, CVE-2017-16939
MD5 | e4e9ca45d6a9e4cece95a15bfca16c42
Ubuntu Security Notice USN-3511-1
Posted Dec 9, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3511-1 - Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service or possibly gain administrative privileges. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-16939
MD5 | 9e7a4f198355b4645387c08f75f34134
Ubuntu Security Notice USN-3510-2
Posted Dec 9, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3510-2 - USN-3510-1 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. Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-16939
MD5 | a759e1476a777349ca39f619d2d7e469
Ubuntu Security Notice USN-3510-1
Posted Dec 9, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3510-1 - Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service or possibly gain administrative privileges. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-16939
MD5 | c760dcb9902f64f23bb4e67232a51fbb
Ubuntu Security Notice USN-3509-2
Posted Dec 7, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3509-2 - USN-3509-1 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. Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-12193, CVE-2017-16643, CVE-2017-16939
MD5 | 9992cce2660b19d70d3414673f02ab80
Ubuntu Security Notice USN-3509-1
Posted Dec 7, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3509-1 - Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service or possibly gain administrative privileges. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-12193, CVE-2017-16643, CVE-2017-16939
MD5 | ecebac920cb50284c6fd809011424590
Ubuntu Security Notice USN-3508-2
Posted Dec 7, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3508-2 - USN-3508-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-12146, CVE-2017-16939
MD5 | bc816d54ebe529dd5225953bb2b33b51
Ubuntu Security Notice USN-3508-1
Posted Dec 7, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3508-1 - Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service or possibly gain administrative privileges. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-12146, CVE-2017-16939
MD5 | 61ffeaad7d5d235842725a3fe5d4f465
Ubuntu Security Notice USN-3507-1
Posted Dec 7, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3507-1 - Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service or possibly gain administrative privileges. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-12193, CVE-2017-15299, CVE-2017-15306, CVE-2017-15951, CVE-2017-16535, CVE-2017-16643, CVE-2017-16939
MD5 | ee6c4d967ff24654f431006a52b99e57
Ubuntu Security Notice USN-3506-2
Posted Dec 7, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3506-2 - USN-3506-1 fixed two vulnerabilities in rsync. This update provides the corresponding update for Ubuntu 12.04 ESM. It was discovered that rsync proceeds with certain file metadata updates before checking for a filename. An attacker could use this to bypass access restrictions. Various other issues were also addressed.

tags | advisory, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-17433, CVE-2017-17434
MD5 | 7ba71c5bbe8f479057348042206a67dc
Ubuntu Security Notice USN-3506-1
Posted Dec 7, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3506-1 - It was discovered that rsync proceeds with certain file metadata updates before checking for a filename. An attacker could use this to bypass access restrictions. It was discovered that rsync does not check for fnamecmp filenames and also does not apply the sanitize_paths protection mechanism to pathnames. An attacker could use this to bypass access restrictions. Various other issues were also addressed.

tags | advisory
systems | linux, ubuntu
advisories | CVE-2017-17433, CVE-2017-17434
MD5 | 0193550d61135df87216b55536f712aa
Ubuntu Security Notice USN-3505-1
Posted Dec 6, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3505-1 - Mathy Vanhoef discovered that the firmware for several Intel WLAN devices incorrectly handled WPA2 in relation to Wake on WLAN. A remote attacker could use this issue with key reinstallation attacks to obtain sensitive information.

tags | advisory, remote
systems | linux, ubuntu
advisories | CVE-2017-13080, CVE-2017-13081
MD5 | 87ee0f831e0f3c683bf51d16e35f5313
Ubuntu Security Notice USN-3504-1
Posted Dec 5, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3504-1 - Wei Lei discovered that libxml2 incorrectly handled certain parameter entities. An attacker could use this issue with specially constructed XML data to cause libxml2 to consume resources, leading to a denial of service.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2017-16932
MD5 | d91e527dde8befa7059434fa3b97b541
Ubuntu Security Notice USN-3504-2
Posted Dec 5, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3504-2 - USN-3504-1 fixed a vulnerability in libxml2. This update provides the corresponding update for Ubuntu 12.04 ESM. Wei Lei discovered that libxml2 incorrecty handled certain parameter entities. An attacker could use this issue with specially constructed XML data to cause libxml2 to consume resources, leading to a denial of service. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2017-16932
MD5 | ac546ea4fe8b36423b1f4cf2d396fb07
Ubuntu Security Notice USN-3503-1
Posted Dec 4, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3503-1 - It was discovered that Evince incorrectly handled printing certain DVI files. If a user were tricked into opening and printing a specially-named DVI file, an attacker could use this issue to execute arbitrary code.

tags | advisory, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-1000159
MD5 | ebb5ce7bbc80b14cfd7841dd50f31b12
Ubuntu Security Notice USN-3498-2
Posted Dec 4, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3498-2 - USN-3498-1 fixed a vulnerability in curl. This update provides the corresponding update for Ubuntu 12.04 ESM. It was discovered that curl incorrectly handled FTP wildcard matching. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly obtain sensitive information. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2017-8817
MD5 | 26d30b6c5e75b0330e6d2d9aa3568ea6
Ubuntu Security Notice USN-3490-1
Posted Dec 1, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3490-1 - 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 bypass same-origin restrictions, cause a denial of service via application crash, or execute arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-7826, CVE-2017-7828, CVE-2017-7830
MD5 | c76bb02f347dde049641240fde17791e
Ubuntu Security Notice USN-3477-3
Posted Dec 1, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3477-3 - USN-3477-1 fixed vulnerabilities in Firefox. The update introduced various minor regressions. This update fixes the problems. Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, read uninitialized memory, obtain sensitive information, bypass same-origin restrictions, bypass CSP protections, bypass mixed content blocking, spoof the addressbar, or execute arbitrary code. It was discovered that javascript: URLs pasted in to the addressbar would be executed instead of being blocked in some circumstances. If a user were tricked in to copying a specially crafted URL in to the addressbar, an attacker could potentially exploit this to conduct cross-site scripting attacks. It was discovered that exported bookmarks do not strip script elements from user-supplied tags. If a user were tricked in to adding specially crafted tags to bookmarks, exporting them and then opening the resulting HTML file, an attacker could potentially exploit this to conduct cross-site scripting attacks. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, spoof, javascript, vulnerability, xss
systems | linux, ubuntu
advisories | CVE-2017-7828, CVE-2017-7830, CVE-2017-7831, CVE-2017-7832, CVE-2017-7833, CVE-2017-7834, CVE-2017-7835, CVE-2017-7837, CVE-2017-7838, CVE-2017-7839, CVE-2017-7840, CVE-2017-7842
MD5 | 998ce8623ace567ce271665c533d0819
Ubuntu Security Notice USN-3499-1
Posted Nov 29, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3499-1 - It was discovered that Exim incorrectly handled certain BDAT data headers. A remote attacker could possibly use this issue to cause Exim to crash, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2017-16944
MD5 | 76413a0a0b86941ed4c9ab6ea5adcb1a
Ubuntu Security Notice USN-3501-1
Posted Nov 29, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3501-1 - It was discovered that libxcursor incorrectly handled certain files. An attacker could use these issues to cause libxcursor to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-16612
MD5 | dcb5463838fcb70c44bb92e443ba7eea
Ubuntu Security Notice USN-3500-1
Posted Nov 29, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3500-1 - It was discovered that libXfont incorrectly followed symlinks when opening font files. A local unprivileged user could use this issue to cause the X server to access arbitrary files, including special device files.

tags | advisory, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2017-16611
MD5 | 2b2de1eb031ae49f268ff9aee4ea6ea6
Ubuntu Security Notice USN-3498-1
Posted Nov 29, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3498-1 - Alex Nichols discovered that curl incorrectly handled NTLM authentication credentials. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu 17.04 and Ubuntu 17.10. It was discovered that curl incorrectly handled FTP wildcard matching. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly obtain sensitive information. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-8816, CVE-2017-8817
MD5 | 41cead7dc230ab023b565d109b9d6985
Ubuntu Security Notice USN-3497-1
Posted Nov 29, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3497-1 - It was discovered that the Smart Card IO subsystem in OpenJDK did not properly maintain state. An attacker could use this to specially construct an untrusted Java application or applet to gain access to a smart card, bypassing sandbox restrictions. Gaston Traberg discovered that the Serialization component of OpenJDK did not properly limit the amount of memory allocated when performing deserializations. An attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, java, denial of service
systems | linux, ubuntu
advisories | CVE-2017-10274, CVE-2017-10281, CVE-2017-10285, CVE-2017-10295, CVE-2017-10345, CVE-2017-10346, CVE-2017-10347, CVE-2017-10348, CVE-2017-10349, CVE-2017-10350, CVE-2017-10355, CVE-2017-10356, CVE-2017-10357, CVE-2017-10388
MD5 | 8d8eb129033011bab0cea2ab92f4f64c
Ubuntu Security Notice USN-3496-3
Posted Nov 28, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3496-3 - USN-3496-1 fixed a vulnerability in Python2.7. This update provides the corresponding update for versions 3.4 and 3.5. It was discovered that Python incorrectly handled decoding certain strings. An attacker could possibly use this issue to execute arbitrary code. Various other issues were also addressed.

tags | advisory, arbitrary, python
systems | linux, ubuntu
advisories | CVE-2017-1000158
MD5 | f941682c699f5113e70fcf5b8841ab5e
Ubuntu Security Notice USN-3496-2
Posted Nov 28, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3496-2 - USN-3496-1 fixed a vulnerability in Python. This update provides the corresponding update for Ubuntu 12.04 ESM. It was discovered that Python incorrectly handled decoding certain strings. An attacker could possibly use this issue to execute arbitrary code. Various other issues were also addressed.

tags | advisory, arbitrary, python
systems | linux, ubuntu
advisories | CVE-2017-1000158
MD5 | 6d06d0cdd588c0582cf4b147440fd9a8
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