Vulnerabilities > Openbsd

DATE CVE VULNERABILITY TITLE RISK
2017-04-11 CVE-2016-1908 Improper Authentication vulnerability in multiple products
The client in OpenSSH before 7.2 mishandles failed cookie generation for untrusted X11 forwarding and relies on the local X11 server for access-control decisions, which allows remote X11 clients to trigger a fallback and obtain trusted X11 forwarding privileges by leveraging configuration issues on this X11 server, as demonstrated by lack of the SECURITY extension on this X11 server.
network
low complexity
openbsd debian oracle redhat CWE-287
critical
9.8
2017-03-27 CVE-2017-5850 Allocation of Resources Without Limits or Throttling vulnerability in Openbsd 6.0
httpd in OpenBSD allows remote attackers to cause a denial of service (memory consumption) via a series of requests for a large file using an HTTP Range header.
network
low complexity
openbsd CWE-770
7.5
2017-03-07 CVE-2016-6522 Integer Overflow or Wraparound vulnerability in Openbsd 5.9
Integer overflow in the uvm_map_isavail function in uvm/uvm_map.c in OpenBSD 5.9 allows local users to cause a denial of service (kernel panic) via a crafted mmap call, which triggers the new mapping to overlap with an existing mapping.
local
low complexity
openbsd CWE-190
5.5
2017-03-07 CVE-2016-6350 NULL Pointer Dereference vulnerability in Openbsd 5.8/5.9
OpenBSD 5.8 and 5.9 allows local users to cause a denial of service (NULL pointer dereference and panic) via a sysctl call with a path starting with 10,9.
local
low complexity
openbsd CWE-476
5.5
2017-03-07 CVE-2016-6247 Improper Input Validation vulnerability in Openbsd 5.8/5.9
OpenBSD 5.8 and 5.9 allows certain local users to cause a denial of service (kernel panic) by unmounting a filesystem with an open vnode on the mnt_vnodelist.
local
low complexity
openbsd CWE-20
5.5
2017-03-07 CVE-2016-6246 Improper Input Validation vulnerability in Openbsd 5.8/5.9
OpenBSD 5.8 and 5.9 allows certain local users with kern.usermount privileges to cause a denial of service (kernel panic) by mounting a tmpfs with a VNOVAL in the (1) username, (2) groupname, or (3) device name of the root node.
local
low complexity
openbsd CWE-20
4.4
2017-03-07 CVE-2016-6245 Unspecified vulnerability in Openbsd 5.8/5.9
OpenBSD 5.8 and 5.9 allows local users to cause a denial of service (kernel panic) via a large size in a getdents system call.
local
low complexity
openbsd
5.5
2017-03-07 CVE-2016-6243 Improper Input Validation vulnerability in Openbsd 5.8/5.9
thrsleep in kern/kern_synch.c in OpenBSD 5.8 and 5.9 allows local users to cause a denial of service (kernel panic) via a crafted value in the tsp parameter of the __thrsleep system call.
local
low complexity
openbsd CWE-20
5.5
2017-03-07 CVE-2016-6242 Numeric Errors vulnerability in Openbsd 5.8/5.9
OpenBSD 5.8 and 5.9 allows local users to cause a denial of service (assertion failure and kernel panic) via a large ident value in a kevent system call.
local
low complexity
openbsd CWE-189
5.5
2017-03-07 CVE-2016-6241 Integer Overflow or Wraparound vulnerability in Openbsd 5.8/5.9
Integer overflow in the amap_alloc1 function in OpenBSD 5.8 and 5.9 allows local users to execute arbitrary code with kernel privileges via a large size value.
local
low complexity
openbsd CWE-190
7.8