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Files from WhiteWinterWolf

Email addressbugtraq.lists at whitewinterwolf.com
First Active2017-08-16
Last Active2017-11-16
FreeBSD Security Advisory - FreeBSD-SA-17:09.shm
Posted Nov 16, 2017
Authored by WhiteWinterWolf | Site security.freebsd.org

FreeBSD Security Advisory - Named paths are globally scoped, meaning a process located in one jail can read and modify the content of POSIX shared memory objects created by a process in another jail or the host system. A malicious user that has access to a jailed system is able to abuse shared memory by injecting malicious content in the shared memory region. This memory region might be executed by applications trusting the shared memory, like Squid. This issue could lead to a Denial of Service or local privilege escalation.

tags | advisory, denial of service, local
systems | freebsd, osx
advisories | CVE-2017-1087
MD5 | b2681ba643cf5c4f71bab8fbcbe6dd35
FreeBSD 10.3 Jail SHM Issue
Posted Aug 16, 2017
Authored by WhiteWinterWolf

FreeBSD jail incompletely protects the access to the IPC primitives. The 'allow.sysvipc' setting only affects IPC queues, leaving other IPC objects unprotected, making them reachable system-wide independently of the system configuration. Versions 7.0 through 10.3 are affected. Proof of concept included.

tags | exploit, proof of concept
systems | freebsd, bsd
MD5 | e7bb338f4932b0dcb05045dbf728194c
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