Ubuntu Security Notice 3429-1 - Wang Junjie discovered that Libplist incorrectly handled certain files. If a user were tricked into opening a crafted file, an attacker could possibly use this to cause a crash or denial or service.
3f7875fd0d82b91926603a8e065335f1Ubuntu Security Notice 3428-1 - Charles A. Roelli discovered that Emacs incorrectly handled certain files. If a user were tricked into opening a specially crafted file, an attacker could possibly use this to execute arbitrary code.
0ad0f2d28e272eaec11afd8faea9d360Ubuntu Security Notice 3427-1 - Charles A. Roelli discovered that Emacs incorrectly handled certain files. If a user were tricked into opening a specially crafted file, an attacker could possibly use this to execute arbitrary code.
90491b275c7839b7a56f2df76dcd5546Ubuntu Security Notice 3426-1 - Stefan Metzmacher discovered that Samba incorrectly enforced SMB signing in certain situations. A remote attacker could use this issue to perform a man in the middle attack. Stefan Metzmacher discovered that Samba incorrectly handled encryption across DFS redirects. A remote attacker could use this issue to perform a man in the middle attack. Yihan Lian and Zhibin Hu discovered that Samba incorrectly handled memory when SMB1 is being used. A remote attacker could possibly use this issue to obtain server memory contents. Various other issues were also addressed.
e2078333b00028eb10dbb8aa6c2c164fUbuntu Security Notice 3414-2 - USN-3414-1 fixed vulnerabilities in QEMU. The patch backport for CVE-2017-9375 was incomplete and caused a regression in the USB xHCI controller emulation support. This update fixes the problem. Leo Gaspard discovered that QEMU incorrectly handled VirtFS access control. A guest attacker could use this issue to elevate privileges inside the guest. Li Qiang discovered that QEMU incorrectly handled VMWare PVSCSI emulation. A privileged attacker inside the guest could use this issue to cause QEMU to consume resources or crash, resulting in a denial of service. Various other issues were also addressed.
92172bfdd6366a35c975fa4e430d2218Ubuntu Security Notice 3425-1 - Hanno Boeck discovered that the Apache HTTP Server incorrectly handled Limit directives in .htaccess files. In certain configurations, a remote attacker could possibly use this issue to read arbitrary server memory, including sensitive information. This issue is known as Optionsbleed.
bfa83093442c8cb0223e5a49b009a8b1Ubuntu Security Notice 3424-1 - It was discovered that a type confusion error existed in libxml2. An attacker could use this to specially construct XML data that could cause a denial of service or possibly execute arbitrary code. It was discovered that libxml2 did not properly validate parsed entity references. An attacker could use this to specially construct XML data that could expose sensitive information. Various other issues were also addressed.
4b0652d2acb742ad23250a852a802397Ubuntu Security Notice 3422-2 - USN-3422-1 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 LTS. It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service. Various other issues were also addressed.
aa0d1979692666d02459e80975dec493Ubuntu Security Notice 3423-1 - It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service.
3faab12a208d3be17beccec1daccd61cUbuntu Security Notice 3422-1 - It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service. It was discovered that the asynchronous I/O subsystem of the Linux kernel did not properly set permissions on aio memory mappings in some situations. An attacker could use this to more easily exploit other vulnerabilities. Various other issues were also addressed.
aa932dae73e3a34aa75e9674d33572f6Ubuntu Security Notice 3420-1 - It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service. It was discovered that the Flash-Friendly File System implementation in the Linux kernel did not properly validate superblock metadata. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
50cbfd60ce8d412743faebabf34f8de2Ubuntu Security Notice 3346-2 - USN-3346-1 fixed vulnerabilities in Bind. The fix for CVE-2017-3142 introduced a regression in the ability to receive an AXFR or IXFR in the case where TSIG is used and not every message is signed. This update fixes the problem. In addition, this update adds the new root zone key signing key. Various other issues were also addressed.
6f82feb480bd6612b9d8ced44919b34eUbuntu Security Notice 3418-1 - It was discovered that the GDK-PixBuf library did not properly handle certain jpeg images. If an user or automated system were tricked into opening a specially crafted jpeg file, a remote attacker could use this flaw to cause GDK-PixBuf to crash, resulting in a denial of service, or possibly execute arbitrary code. It was discovered that the GDK-PixBuf library did not properly handle certain tiff images. If an user or automated system were tricked into opening a specially crafted tiff file, a remote attacker could use this flaw to cause GDK-PixBuf to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.
6ea24115becec07c142c0e43fe654aceUbuntu Security Notice 3419-1 - It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service. It was discovered that a buffer overflow existed in the Broadcom FullMAC WLAN driver 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.
92aeaa436f6bfa57fe57572a3f55d3a8Ubuntu Security Notice 3419-2 - USN-3419-1 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. It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service. Various other issues were also addressed.
fa369a196a24f47e3a1a80466702ae48Ubuntu Security Notice 3420-2 - USN-3420-1 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. It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service. Various other issues were also addressed.
e177f243659fd3ccbffa320d4a3677caUbuntu Security Notice 3421-1 - It was discovered that Libidn2 incorrectly handled certain input. A remote attacker could possibly use this issue to cause Libidn2 to crash, resulting in a denial of service.
3bed95d5ea26f28c5276b97bdec3ac22Ubuntu Security Notice 3416-1 - Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit these to bypass same-origin restrictions, bypass CSP restrictions, obtain sensitive information, spoof the origin of modal alerts, cause a denial of service via application crash, or execute arbitrary code. Various other issues were also addressed.
cf09ab38ab212ca3dc349a7ae4e4df58Ubuntu Security Notice 3414-1 - Leo Gaspard discovered that QEMU incorrectly handled VirtFS access control. A guest attacker could use this issue to elevate privileges inside the guest. Li Qiang discovered that QEMU incorrectly handled VMWare PVSCSI emulation. A privileged attacker inside the guest could use this issue to cause QEMU to consume resources or crash, resulting in a denial of service. Various other issues were also addressed.
0392d6964c9f9ee67e40b47efe84d6b0Ubuntu Security Notice 3417-1 - Daniel Genkin, Luke Valenta, and Yuval Yarom discovered that Libgcrypt was susceptible to an attack via side channels. A local attacker could use this attack to recover Curve25519 private keys.
b53dce0804742619a936c13440f279b6Ubuntu Security Notice 3415-2 - USN-3415-1 fixed vulnerabilities in tcpdump for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 17.04. This update provides the corresponding tcpdump update for Ubuntu 12.04 ESM. Wilfried Kirsch discovered a buffer overflow in the SLIP decoder in tcpdump. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
5db2c334dd72fc4e36b678d175226b8cUbuntu Security Notice 3415-1 - Wilfried Kirsch discovered a buffer overflow in the SLIP decoder in tcpdump. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Bhargava Shastry discovered a buffer overflow in the bitfield converter utility function bittok2str_internal in tcpdump. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
571e33374fd459b45fa49b3ada3da68fUbuntu Security Notice 3413-1 - It was discovered that an information disclosure vulnerability existed in the Service Discovery Protocol implementation in BlueZ. A physically proximate unauthenticated attacker could use this to disclose sensitive information.
529421b638ac4fbb77c3229b47b374bdUbuntu Security Notice 3412-1 - Thomas Jarosch discovered that file incorrectly handled certain ELF files. An attacker could use this to cause file to crash, resulting in a denial of service.
84d1ac8097ab8e87c9c4cebff0355b88Ubuntu Security Notice 3410-2 - USN-3410-1 fixed a vulnerability in GD Graphics Library. This update provides the corresponding update for Ubuntu 12.04 ESM. A It was discovered that the GD Graphics Library incorrectly A handled certain malformed PNG images. A remote attacker could use this A issue to cause the GD Graphics Library to crash, resulting in a denial A of service, or possibly execute arbitrary code. Various other issues were also addressed.
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