[slackware-security] Linux kernel

New Linux kernel packages are available for Slackware 14.2 and -current to fix a security issue. Here are the details from the Slackware 14.2 ChangeLog: patches/packages/linux-4.4.19/: Upgraded. A flaw was found in the implementation of the Linux kernels handling of networking challenge ack where...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

linux-lts: information disclosure

A security issue has been found in the Linux kernel's implementation of challenge ACKs as specified in RFC 5961. An attacker which knows a connection's client IP, server IP and server port can abuse the challenge ACK mechanism to determine the accuracy of a normally 'blind' attack on the client o...

Amazon Linux AMI : kernel (ALAS-2016-726)

It was found that nfsd is missing permissions check when setting ACL on files, this may allow a local users to gain access to any file by setting a crafted ACL. CVE-2016-1237 A flaw was found in the Linux kernel's keyring handling code, where in keyrejectandlink an uninitialised variable would...

samba: crash in dcesrv_auth_bind_ack due to missing error check

Multiple flaws were found in Samba's DCE/RPC protocol implementation. A remote, authenticated attacker could use these flaws to cause a denial of service against the Samba server high CPU load or a crash or, possibly, execute arbitrary code with the permissions of the user running Samba root. Thi...

samba: crash in dcesrv_auth_bind_ack due to missing error check

Multiple flaws were found in Samba's DCE/RPC protocol implementation. A remote, authenticated attacker could use these flaws to cause a denial of service against the Samba server high CPU load or a crash or, possibly, execute arbitrary code with the permissions of the user running Samba root. Thi...

IBM OpenAFS Information Disclosure Vulnerability (CNVD-2015-07372)

IBM OpenAFS is a distributed file system that allows sharing of archives and resources between systems over LANs and WANs. An information disclosure vulnerability exists in IBM OpenAFS, which allows a remote attacker to perform a replay attack on the original recipient and view the ACK response...

DEBIAN-CVE-2015-7763

rx/rx.c in OpenAFS 1.5.75 through 1.5.78, 1.6.x before 1.6.15, and 1.7.x before 1.7.33 does not properly initialize padding at the end of an Rx acknowledgement ACK packet, which allows remote attackers to obtain sensitive information by 1 conducting a replay attack or 2 sniffing the network...

CVE-2015-7763

rx/rx.c in OpenAFS 1.5.75 through 1.5.78, 1.6.x before 1.6.15, and 1.7.x before 1.7.33 does not properly initialize padding at the end of an Rx acknowledgement ACK packet, which allows remote attackers to obtain sensitive information by 1 conducting a replay attack or 2 sniffing the network...

UBUNTU-CVE-2015-7763

rx/rx.c in OpenAFS 1.5.75 through 1.5.78, 1.6.x before 1.6.15, and 1.7.x before 1.7.33 does not properly initialize padding at the end of an Rx acknowledgement ACK packet, which allows remote attackers to obtain sensitive information by 1 conducting a replay attack or 2 sniffing the network...

openafs -- information disclosure

The OpenAFS development team reports: When constructing an Rx acknowledgment ACK packet, Andrew-derived Rx implementations do not initialize three octets of data that are padding in the C language structure and were inadvertently included in the wire protocol CVE-2015-7762. Additionally, OpenAFS ...

Network Security Testing: Evil Foca

Evil Foca is a tool for security pentesters and auditors whose purpose it is to test security in IPv4 and IPv6 data networks. The software automatically scans the networks and identifies all devices and their respective network interfaces, specifying their IPv4 and IPv6 addresses as well as the...

Evil FOCA - MITM, DoS, DNS Hijacking in IPv4 and IPv6 Penetration Testing Tool

Evil Foca is a tool for security pentesters and auditors whose purpose it is to test security in IPv4 and IPv6 data networks. The tool is capable of carrying out various attacks such as: MITM over IPv4 networks with ARP Spoofing and DHCP ACK Injection. MITM on IPv6 networks with Neighbor...

UBUNTU-CVE-2014-7912

The getoption function in dhcp.c in dhcpcd before 6.2.0, as used in dhcpcd 5.x in Android before 5.1 and other products, does not validate the relationship between length fields and the amount of data, which allows remote DHCP servers to execute arbitrary code or cause a denial of service memory...

DEBIAN-CVE-2014-7912

The getoption function in dhcp.c in dhcpcd before 6.2.0, as used in dhcpcd 5.x in Android before 5.1 and other products, does not validate the relationship between length fields and the amount of data, which allows remote DHCP servers to execute arbitrary code or cause a denial of service memory...

Juniper Junos LAST_ACK State Transition Denial of Service Vulnerability

Juniper Networks JUNOS is an operating system that runs on Juniper Networks' line of border routers and more. A security vulnerability exists in Juniper Junos that allows a remote user to create a TCP connection to a target device, change the link to LASTACK when the target background program has...

Google Android 'get_option()' function remote code execution vulnerability

Android is an operating system based on the Linux open kernel and is a mobile operating system announced on November 5, 2007 by Google Inc. Google Android suffers from a security vulnerability in the DHCP option in parsing DHCP ACK packets, which can be exploited by an attacker to execute arbitra...

dhcpd buffer overrun

The specific flaw exists within the parsing of the DHCP options in a DHCP ACK packet. The vulnerability is triggered when the LENGTH of an option, when added to the current read position, exceeds the actual length of the DHCP options buffer. An attacker can leverage this vulnerability to execute...

dhclient 4.1 - Bash Environment Variable Command Injection (Shellshock)

dhclient 4.1 - Bash Environment Variable Command Injection Shellshock !/usr/bin/python Exploit Title: ShellShock dhclient Bash Environment Variable Command Injection PoC Date: 2014-09-29 Author: @fdiskyou e-mail: rui at deniable.org Version: 4.1 Tested on: Debian, Ubuntu, Kali CVE: CVE-2014-6277,...

CVE-2014-5077

The sctpassocupdate function in net/sctp/associola.c in the Linux kernel through 3.15.8, when SCTP authentication is enabled, allows remote attackers to cause a denial of service NULL pointer dereference and OOPS by starting to establish an association between two endpoints immediately after an...