CVE-2020-7457

In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4-RELEASE before p1, and 11.3-RELEASE before p11, missing synchronization in the IPV62292PKTOPTIONS socket option set handler contained a race condition allowing a malicious application to modify memory...

CVE-2020-7457

CVE-2020-7457 concerns a missing synchronization in the FreeBSD IPV6_2292PKTOPTIONS set handler (setsockopt), causing a race against freed memory in the ip6_pktopts path. Impact described as potential memory corruption and privilege escalation. Affected lines include FreeBSD stable/12 and stable/...

FreeBSD -- posix_spawnp(3) buffer overflow

Problem Description: posixspawnp spawns a new thread with a limited stack allocated on the heap before delegating to execvp for the final execution within that thread. execvp would previously make unbounded allocations on the stack, directly proportional to the length of the user-controlled PATH...

FreeBSD : kramdown -- template option vulnerability (20b46222-c12b-11ea-abe8-08002728f74c)

kramdown news : CVE-2020-14001 is addressed to avoid problems when using the ::options / extension together with the 'template' option. C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from the FreeBSD VuXML database : Copyright 2003-2020...

FreeBSD -- IPv6 socket option race condition and use after free

Problem Description: The IPV62292PKTOPTIONS set handler was missing synchronization, so racing accesses could modify freed memory. Impact: A malicious user application could trigger memory corruption, leading to privilege escalation...

FreeBSD-SA-20:18.posix_spawnp

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-20:18.posixspawnp Security Advisory The FreeBSD Project Topic: posixspawnp3 buffer overflow Category: core Module: libc Announced: 2020-07-08 Credits: Andrew...

FreeBSD : Gitlab -- Multiple Vulnerabilities (f7a97d43-c039-11ea-a051-001b217b3468)

Gitlab reports : Workhorse bypass allows files in /tmp to be read via Maven Repository APIs C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from the FreeBSD VuXML database : Copyright 2003-2020 Jacques Vidrine and contributors Redistribution...

FreeBSD : Mbed TLS -- Side-channel attack on ECC key import and validation (c685edd9-c045-11ea-8898-001cc0382b2f)

Manuel Pegourie-Gonnard reports : The scalar multiplication function in Mbed TLS accepts a random number generator RNG as an optional argument and, if provided, uses it to protect against some attacks. It is the caller's responsibility to provide a RNG if protection against side-channel attacks i...

FreeBSD-SA-20:19.unbound

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-20:19.unbound Security Advisory The FreeBSD Project Topic: Multiple vulnerabilities in unbound Category: contrib Module: unbound Announced: 2020-07-08 Affects:...

FreeBSD-SA-20:20.ipv6

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-20:20.ipv6 Security Advisory The FreeBSD Project Topic: IPv6 socket option race condition and use after free Category: core Module: network Announced: 2020-07-0...

Sony Playstation 4 (PS4) < 7.02 / FreeBSD 9 / FreeBSD 12 - Kernel Local Privilege Escalation

Sony Playstation 4 PS4 include include include include include include include define KERNEL include undef KERNEL define WANTFILE include include include include include define WANTSOCKET include include define WANTINPCB include include include // define FBSD12 define ELFMAGIC 0x464c457f define...

Sony PS4 / FreeBSD ip6_setpktopt Local Privilege Escalation

/ FreeBSD 12.0-RELEASE x64 Kernel Exploit Usage: $ clang -o exploit exploit.c -lpthread $ ./exploit / include include include include include include include include define KERNEL include undef KERNEL define WANTFILE include include include include include define WANTSOCKET include include define...

FreeBSD ip6_setpktopt Use-After-Free Privilege Escalation

This module exploits a race and use-after-free vulnerability in the FreeBSD kernel IPv6 socket handling. A missing synchronization lock in the IPV62292PKTOPTIONS option handling in setsockopt permits racing ip6setpktopt access to a freed ip6pktopts struct. This exploit overwrites the ip6popktinfo...

FreeBSD : Gitlab -- Multiple Vulnerabilities (0a305431-bc98-11ea-a051-001b217b3468)

Gitlab reports : Missing Permission Check on Time Tracking Cross-Site Scripting in PyPi Files API Insecure Authorization Check on Private Project Security Dashboard Cross-Site Scripting in References Cross-Site Scripting in Group Names Cross-Site Scripting in Blob Viewer Cross-Site Scripting in...

FreeBSD : Anydesk -- Multiple Vulnerabilities (4344861a-be0b-11ea-9172-4c72b94353b5)

Anydesk reports : AnyDesk before 5.5.3 on Linux and FreeBSD has a format string vulnerability that can be exploited for remote code execution. C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from the FreeBSD VuXML database : Copyright 2003-20...

FreeBSD : py-matrix-synapse -- multiple vulnerabilities (d9f686f3-fde0-48dc-ab0a-01c2fe3e0529)

Matrix developers report : Due to the two security issues highlighted below, server administrators are encouraged to update Synapse. We are not aware of these vulnerabilities being exploited in the wild. - A malicious homeserver could force Synapse to reset the state in a room to a small subset o...

FreeBSD : powerdns-recursor -- access restriction bypass (641cd669-bc37-11ea-babf-6805ca2fa271)

PowerDNS Team reports : CVE-2020-14196: An issue has been found in PowerDNS Recursor where the ACL applied to the internal web server via webserver-allow-from is not properly enforced, allowing a remote attacker to send HTTP queries to the internal web server, bypassing the restriction. In the...

FreeBSD : coturn -- information leakage (fce7a6e7-bc5d-11ea-b38d-f0def1d0c3ea)

Felix Dorre reports : The issue is that STUN/TURN response buffer is not initialized properly. CWE 665 This is a leak of information between different client connections. One client an attacker could use their connection to intelligently query coturn to get interesting bytes in the padding bytes...

FreeBSD : Python -- multiple vulnerabilities (33c05d57-bf6e-11ea-ba1e-0800273f78d3)

Python reports : The AbstractBasicAuthHandler class of the urllib.request module uses an inefficient regular expression which can be exploited by an attacker to cause a denial of service. Fix the regex to prevent the catastrophic backtracking. Vulnerability reported by Ben Caller and Matt Schwage...

FreeBSD : dbus file descriptor leak (27616957-b084-11ea-937b-b42e99a1b9c3)

GitHub Security Lab reports : D-Bus has a file descriptor leak, which can lead to denial of service when the dbus-daemon runs out of file descriptors. An unprivileged local attacker can use this to attack the system dbus-daemon, leading to denial of service for all users of the machine. C Tenable...