11213 matches found
USN-4202-1: Thunderbird vulnerabilities
It was discovered that a specially crafted S/MIME message with an inner encryption layer could be displayed as having a valid signature in some circumstances, even if the signer had no access to the encrypted message. An attacker could potentially exploit this to spoof the message author...
USN-4182-2: Intel Microcode update
USN-4182-2 provided updates for Intel Microcode. This update provides the corresponding update for Ubuntu 14.04 ESM. Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss...
USN-4126-2: FreeType vulnerabilities
USN-4126-1 fixed a vulnerability in FreeType. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. It was discovered that FreeType incorrectly handled certain font files. An attacker could possibly use this issue to access sensitive information. CVE-2015-9381,...
USN-4121-1: Samba vulnerability
Stefan Metzmacher discovered that the Samba SMB server did not properly prevent clients from escaping outside the share root directory in some situations. An attacker could use this to gain access to files outside of the Samba share, where allowed by the permissions of the underlying filesystem...
USN-4097-1: PHP vulnerabilities
It was discovered that PHP incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. CVE-2019-11041, CVE-2019-11042...
USN-4081-1: Pango vulnerability
It was discovered that Pango incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code...
USN-3956-1: Bind vulnerability
It was discovered that Bind incorrectly handled limiting the number of simultaneous TCP clients. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service...
USN-3946-1: rssh vulnerabilities
It was discovered that rssh incorrectly handled certain command-line arguments and environment variables. An authenticated user could bypass rssh's command restrictions, allowing an attacker to run arbitrary commands...
USN-3734-1: OpenJDK 8 vulnerability
It was discovered that the PatternSyntaxException class in OpenJDK did not properly validate arguments passed to it. An attacker could use this to possibly construct a class that caused a denial of service excessive memory consumption...
USN-3694-1: NASM vulnerabilities
It was discovered that NASM incorrectly handled certain source files. If a user or automated system were tricked into processing a specially crafted source file, a remote attacker could use these issues to cause NASM to crash, resulting in a denial of service, or possibly execute arbitrary code...
USN-3656-1: Linux kernel (Raspberry Pi 2, Snapdragon) vulnerabilities
Tuba Yavuz discovered that a double-free error existed in the USBTV007 driver of the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-17975 It was discovered that a race condition existed in the F2FS implementatio...
USN-3629-1: MySQL vulnerabilities
Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to 5.5.60 in Ubuntu 14.04 LTS. Ubuntu 16.04 LTS, and Ubuntu 17.10 have been updated to MySQL 5.7.22. In addition to security fixes, the updated packag...
USN-3541-1: Linux kernel vulnerabilities
Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. This update provide...
USN-3473-1: OpenJDK 8 vulnerabilities
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. CVE-2017-10274 Gaston Traberg discovered that th...
USN-3452-1: Ceph vulnerabilities
It was discovered that Ceph incorrectly handled the handlecommand function. A remote authenticated user could use this issue to cause Ceph to crash, resulting in a denial of service. CVE-2016-5009 Rahul Aggarwal discovered that Ceph incorrectly handled the authenticated-read ACL. A remote attacke...
USN-3444-1: Linux kernel vulnerabilities
Jan H. Schönherr 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 host crash or possibly gain administrative privileges in the host. CVE-2017-12134 Andrey Konovalov...
USN-3394-1: libmspack vulnerabilities
It was discovered that libmspack incorrectly handled certain malformed CHM files. A remote attacker could use this issue to cause libmspack to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2017-6419 It was discovered that libmspack incorrectly handled certain...
USN-3391-1: Firefox vulnerabilities
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 conduct cross-site scripting XSS attacks, bypass sandbox restrictions, obtain sensitive information, spoof the origin of modal...
USN-3309-1: Libtasn1 vulnerability
Jakub Jirasek discovered that GnuTLS incorrectly handled certain assignments files. If a user were tricked into processing a specially crafted assignments file, a remote attacker could possibly execute arbirary code...
USN-3269-1: MySQL vulnerabilities
Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to 5.5.55 in Ubuntu 14.04 LTS. Ubuntu 16.04 LTS, Ubuntu 16.10 and Ubuntu 17.04 have been updated to MySQL 5.7.18. In addition to security fixes, the...
USN-3239-2: GNU C Library Regression
USN-3239-1 fixed vulnerabilities in the GNU C Library. Unfortunately, the fix for CVE-2015-5180 introduced an internal ABI change within the resolver library. This update reverts the change. We apologize for the inconvenience. Please note that long-running services that were restarted to compensa...
USN-3220-1: Linux kernel vulnerability
Alexander Popov discovered that the NHDLC line discipline implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly gain administrative privileges...
USN-3198-1: OpenJDK 6 vulnerabilities
Karthik Bhargavan and Gaetan Leurent discovered that the DES and Triple DES ciphers were vulnerable to birthday attacks. A remote attacker could possibly use this flaw to obtain clear text data from long encrypted sessions. This update moves those algorithms to the legacy algorithm set and causes...
USN-3183-1: GnuTLS vulnerabilities
Stefan Buehler discovered that GnuTLS incorrectly verified the serial length of OCSP responses. A remote attacker could possibly use this issue to bypass certain certificate validation measures. This issue only applied to Ubuntu 16.04 LTS. CVE-2016-7444 Shi Lei discovered that GnuTLS incorrectly...
USN-3162-1: Linux kernel vulnerabilities
CAI Qian discovered that shared bind mounts in a mount namespace exponentially added entries without restriction to the Linux kernel's mount table. A local attacker could use this to cause a denial of service system crash. CVE-2016-6213 It was discovered that the KVM implementation for x86/x8664 ...
USN-3098-1: Linux kernel vulnerabilities
VladimÃr BeneÅ¡ discovered an unbounded recursion in the VLAN and TEB Generic Receive Offload GRO processing implementations in the Linux kernel, A remote attacker could use this to cause a stack corruption, leading to a denial of service system crash. CVE-2016-7039 Marco Grassi discovered a...
USN-3097-1: Linux kernel vulnerabilities
Marco Grassi discovered a use-after-free condition could occur in the TCP retransmit queue handling code in the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2016-6828 Pengfei Wang discovered a race condition in the...
USN-3087-1: OpenSSL vulnerabilities
Shi Lei discovered that OpenSSL incorrectly handled the OCSP Status Request extension. A remote attacker could possibly use this issue to cause memory consumption, resulting in a denial of service. CVE-2016-6304 Guido Vranken discovered that OpenSSL used undefined behaviour when performing pointe...
USN-3084-3: Linux kernel (Raspberry Pi 2) vulnerabilities
Pengfei Wang discovered a race condition in the audit subsystem in the Linux kernel. A local attacker could use this to corrupt audit logs or disrupt system-call auditing. CVE-2016-6136 It was discovered that the powerpc and powerpc64 hypervisor-mode KVM implementation in the Linux kernel for did...
USN-2971-3: Linux kernel (Raspberry Pi 2) vulnerabilities
Ralf Spenneberg discovered that the Aiptek Tablet USB device driver in the Linux kernel did not properly validate the endpoints reported by the device. An attacker with physical access could cause a denial of service system crash. CVE-2015-7515 Zach Riggle discovered that the Linux kernel's list...
USN-2934-1: Thunderbird vulnerabilities
Bob Clary, Christoph Diehl, Christian Holler, Andrew McCreight, Daniel Holbert, Jesse Ruderman, and Randell Jesup discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denia...
USN-2929-1: Linux kernel vulnerabilities
Ben Hawkes discovered that the Linux netfilter implementation did not correctly perform validation when handling IPTSOSETREPLACE events. A local unprivileged attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privileges...
USN-2889-1: Linux kernel vulnerabilities
It was discovered that a use-after-free vulnerability existed in the AFUNIX implementation in the Linux kernel. A local attacker could use crafted epollctl calls to cause a denial of service system crash or expose sensitive information. CVE-2013-7446 It was discovered that the KVM implementation ...
USN-2702-1: Firefox vulnerabilities
Gary Kwong, Christian Holler, Byron Campen, Tyson Smith, Bobby Holley, Chris Coulson, and Eric Rahm discovered multiple memory safety issues 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 via...
USN-2698-1: SQLite vulnerabilities
It was discovered that SQLite incorrectly handled skip-scan optimization. An attacker could use this issue to cause applications using SQLite to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. CVE-2013-7443 Michal Zalewski...
USN-2681-1: Linux kernel vulnerabilities
A flaw was discovered in the user space memory copying for the pipe iovecs in the Linux kernel. An unprivileged local user could exploit this flaw to cause a denial of service system crash or potentially escalate their privileges. CVE-2015-1805 A flaw was discovered in the kvm kernel virtual...
USN-2612-1: Linux kernel (OMAP4) vulnerabilities
A race condition between chown and execve was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges. CVE-2015-3339 Vincent Tondellier discovered an integer overflow in the Linux kernel's netfilter connecti...
USN-2596-1: Linux kernel vulnerability
A race condition between chown and execve was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges...
USN-2522-3: ICU vulnerabilities
USN-2522-1 fixed vulnerabilities in ICU. On Ubuntu 12.04 LTS, the font patches caused a regression when using LibreOffice Calc. The patches have now been updated to fix the regression. We apologize for the inconvenience. Original advisory details: It was discovered that ICU incorrectly handled...
USN-2468-1: Linux kernel vulnerabilities
A null pointer dereference flaw was discovered in the the Linux kernel's SCTP implementation when ASCONF is used. A remote attacker could exploit this flaw to cause a denial of service system crash via a malformed INIT chunk. CVE-2014-7841 A race condition with MMIO and PIO transactions in the KV...
USN-2418-1: Linux kernel (OMAP4) vulnerabilities
Nadav Amit reported that the KVM Kernel Virtual Machine mishandles noncanonical addresses when emulating instructions that change the rip Instruction Pointer. A guest user with access to I/O or the MMIO can use this flaw to cause a denial of service system crash of the guest. CVE-2014-3647 A flaw...
USN-2342-1: QEMU vulnerabilities
Michael S. Tsirkin, Anthony Liguori, and Michael Roth discovered multiple issues with QEMU state loading after migration. An attacker able to modify the state data could use these issues to cause a denial of service, or possibly execute arbitrary code. CVE-2013-4148, CVE-2013-4149, CVE-2013-4150,...
USN-1924-1: Firefox vulnerabilities
Jeff Gilbert, Henrik Skupin, Ben Turner, Christian Holler, Andrew McCreight, Gary Kwong, Jan Varga and Jesse Ruderman discovered multiple memory safety issues in Firefox. If the user were tricked in to opening a specially crafted page, an attacker could possibly exploit these to cause a denial of...
USN-1883-1: Linux kernel (OMAP4) vulnerabilities
Kees Cook discovered a flaw in the Linux kernel's iSCSI subsystem. A remote unauthenticated attacker could exploit this flaw to cause a denial of service system crash or potentially gain administrative privileges. CVE-2013-2850 Andy Lutomirski discover an error in the Linux kernel's credential...
USN-1879-1: Linux kernel (OMAP4) vulnerabilities
Kees Cook discovered a flaw in the Linux kernel's iSCSI subsystem. A remote unauthenticated attacker could exploit this flaw to cause a denial of service system crash or potentially gain administrative privileges. CVE-2013-2850 An information leak was discovered in the Linux kernel when inotify i...
USN-1827-1: Linux kernel vulnerability
An flaw was discovered in the Linux kernel's perfevents interface. A local user could exploit this flaw to escalate privileges on the system...
USN-1798-1: Linux kernel (EC2) vulnerabilities
Mathias Krause discovered several errors in the Linux kernel's xfrmuser implementation. A local attacker could exploit these flaws to examine parts of kernel memory. CVE-2012-6537 Mathias Krause discovered information leak in the Linux kernel's compat ioctl interface. A local user could exploit t...
USN-1778-1: Linux kernel (OMAP4) vulnerabilities
Andrew Jones discovered a flaw with the xeniret function in Linux kernel's Xen virtualizeation. In the 32-bit Xen paravirt platform an unprivileged guest OS user could exploit this flaw to cause a denial of service crash the system or gain guest OS privilege. CVE-2013-0228 A flaw was reported in...
USN-1760-1: Linux kernel (Oneiric backport) vulnerabilities
A failure to validate input was discovered in the Linux kernel's Xen netback network backend driver. A user in a guest OS may exploit this flaw to cause a denial of service to the guest OS and other guest domains. CVE-2013-0216 A memory leak was discovered in the Linux kernel's Xen netback networ...
USN-1698-1: Linux kernel (OMAP4) vulnerabilities
A flaw was discovered in the Linux kernel's handling of script execution when module loading is enabled. A local attacker could exploit this flaw to cause a leak of kernel stack contents. CVE-2012-4530 Florian Weimer discovered that hypervkvpd, which is distributed in the Linux kernel, was not...