CVSS: 7.8EPSS: 0%CPEs: 11EXPL: 1CVE-2016-3672 – Linux Kernel (x86) - Disable ASLR by Setting the RLIMIT_STACK Resource to Unlimited
https://notcve.org/view.php?id=CVE-2016-3672
The arch_pick_mmap_layout function in arch/x86/mm/mmap.c in the Linux kernel through 4.5.2 does not properly randomize the legacy base address, which makes it easier for local users to defeat the intended restrictions on the ADDR_NO_RANDOMIZE flag, and bypass the ASLR protection mechanism for a setuid or setgid program, by disabling stack-consumption resource limits. La función arch_pick_mmap_layout en arch/x86/mm/mmap.c en el kernel de Linux hasta la versión 4.5.2 no maneja de forma aleatoria el legado de la dirección base, lo que hace más fácil a usuarios locales romper las restricciones destinadas en los indicadores ADDR_NO_RANDOMIZE, y eludir el mecanismo de protección ASLR para programas setuid o setid, deshabilitando los límites de recursos del consumo de pila. A weakness was found in the Linux ASLR implementation. Any user able to running 32-bit applications in a x86 machine can disable ASLR by setting the RLIMIT_STACK resource to unlimited. • https://www.exploit-db.com/exploits/39669 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8b8addf891de8a00e4d39fc32f93f7c5eb8feceb http://hmarco.org/bugs/CVE-2016-3672-Unlimiting-the-stack-not-longer-dis http://hmarco.org/bugs/CVE-2016-3672-Unlimiting-the-stack-not-longer-disables-ASLR.html http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182524.html http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html http://lists.opensuse.org/open • CWE-254: 7PK - Security Features CWE-341: Predictable from Observable State •
CVSS: 6.2EPSS: 0%CPEs: 17EXPL: 0CVE-2016-2847 – kernel: pipe: limit the per-user amount of pages allocated in pipes
https://notcve.org/view.php?id=CVE-2016-2847
fs/pipe.c in the Linux kernel before 4.5 does not limit the amount of unread data in pipes, which allows local users to cause a denial of service (memory consumption) by creating many pipes with non-default sizes. fs/pipe.c en el kernel de Linux antes de 4.5 no limita la cantidad de datos no leídos en las tuberías, lo que permite a los usuarios locales provocar una denegación de servicio (consumo de memoria) creando muchas tuberías con tamaños no predeterminados. It is possible for a single process to cause an OOM condition by filling large pipes with data that are never read. A typical process filling 4096 pipes with 1 MB of data will use 4 GB of memory and there can be multiple such processes, up to a per-user-limit. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=759c01142a5d0f364a462346168a56de28a80f52 http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00060.html http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html http://lists.opensuse.org • CWE-399: Resource Management Errors CWE-400: Uncontrolled Resource Consumption •
CVSS: 10.0EPSS: 14%CPEs: 10EXPL: 0CVE-2016-2315 – git: path_name() integer truncation and overflow leading to buffer overflow
https://notcve.org/view.php?id=CVE-2016-2315
revision.c in git before 2.7.4 uses an incorrect integer data type, which allows remote attackers to execute arbitrary code via a (1) long filename or (2) many nested trees, leading to a heap-based buffer overflow. revision.c en git en versiones anteriores a 2.7.4 utiliza un tipo de datos de entero incorrecto, lo que permite a atacantes remotos ejecutar código arbitrario a través de un (1) nombre de archivo grande o (2) muchos árboles anidados, dando lugar a un desbordamiento de buffer basado en memoria dinámica. An integer truncation flaw and an integer overflow flaw, both leading to a heap-based buffer overflow, were found in the way Git processed certain path information. A remote attacker could create a specially crafted Git repository that would cause a Git client or server to crash or, possibly, execute arbitrary code. • http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183147.html http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179121.html http://lists.fedoraproject.org/pipermail/package-announce/2016-March/180763.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00059.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00060.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00061.html http://lists.opensuse.org/opensuse-security-announce • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-194: Unexpected Sign Extension •
CVSS: 10.0EPSS: 13%CPEs: 10EXPL: 0CVE-2016-2324 – git: path_name() integer truncation and overflow leading to buffer overflow
https://notcve.org/view.php?id=CVE-2016-2324
Integer overflow in Git before 2.7.4 allows remote attackers to execute arbitrary code via a (1) long filename or (2) many nested trees, which triggers a heap-based buffer overflow. Desboradmiento de entero en Git en versiones anteriores a 2.7.4 permite a atacantes remotos ejecutar código arbitrario a través de un (1) nombre de archivo grande o (2) muchos árboles anidados, lo que desencadena un desbordamiento de buffer basado en memoria dinámica. An integer truncation flaw and an integer overflow flaw, both leading to a heap-based buffer overflow, were found in the way Git processed certain path information. A remote attacker could create a specially crafted Git repository that would cause a Git client or server to crash or, possibly, execute arbitrary code. • http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183147.html http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179121.html http://lists.fedoraproject.org/pipermail/package-announce/2016-March/180763.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00059.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00060.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00061.html http://lists.opensuse.org/opensuse-security-announce • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-194: Unexpected Sign Extension •
CVSS: 8.4EPSS: 0%CPEs: 16EXPL: 1CVE-2016-3134 – Linux Kernel 3.10/3.18 /4.4 - Netfilter IPT_SO_SET_REPLACE Memory Corruption
https://notcve.org/view.php?id=CVE-2016-3134
The netfilter subsystem in the Linux kernel through 4.5.2 does not validate certain offset fields, which allows local users to gain privileges or cause a denial of service (heap memory corruption) via an IPT_SO_SET_REPLACE setsockopt call. El subsistema netfilter en el kernel de Linux hasta la versión 4.5.2 no válida ciertos campos de desplazamiento, lo que permite a usuarios locales obtener privilegios o causar una denegación de servicio (corrupción de memoria dinámica) a través de una llamada IPT_SO_SET_REPLACE setsockopt. A security flaw was found in the Linux kernel in the mark_source_chains() function in "net/ipv4/netfilter/ip_tables.c". It is possible for a user-supplied "ipt_entry" structure to have a large "next_offset" field. This field is not bounds checked prior to writing to a counter value at the supplied offset. • https://www.exploit-db.com/exploits/39545 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d83fc74aa9ec72794373cb47432c5f7fb1a309 http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html http://lists.opensuse.org/opensuse-security-announce/2016 • CWE-20: Improper Input Validation CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •