Ubuntu: Security Advisory (USN-1448-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2012 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu 12.04 LTS : linux vulnerabilities (USN-1448-1)

A flaw was found in the Linux kernel's KVM Kernel Virtual Machine virtual cpu setup. An unprivileged local user could exploit this flaw to crash the system leading to a denial of service. CVE-2012-1601 Steve Grubb reported a flaw with Linux fscaps file system base capabilities when used to increa...

Ubuntu Update for linux USN-1448-1

Ubuntu Update for Linux kernel vulnerabilities USN-1448-1 OpenVAS Vulnerability Test $Id: gbubuntuUSN14481.nasl 7960 2017-12-01 06:58:16Z santu $ Ubuntu Update for linux USN-1448-1 Authors: System Generated Check Copyright: Copyright c 2012 Greenbone Networks GmbH, http://www.greenbone.net This...

Ubuntu: Security Advisory (USN-1445-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2012 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-1448-1: Linux kernel vulnerabilities

A flaw was found in the Linux kernel's KVM Kernel Virtual Machine virtual cpu setup. An unprivileged local user could exploit this flaw to crash the system leading to a denial of service. CVE-2012-1601 Steve Grubb reported a flaw with Linux fscaps file system base capabilities when used to increa...

Ubuntu 10.04 LTS : linux vulnerabilities (USN-1445-1)

A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. CVE-2011-4086 A flaw was found in the Linux kernel's KVM Kernel Virtual Machine virtual cpu setup. An unprivileged local user coul...

kernel: fcaps: clear the same personality flags as suid when fcaps are used

The capbprmsetcreds function in security/commoncap.c in the Linux kernel before 3.3.3 does not properly handle the use of file system capabilities aka fcaps for implementing a privileged executable file, which allows local users to bypass intended personality restrictions via a crafted applicatio...

Разработка эксплоитов для Linux. Часть 4 – обход ASCII armor и возврат в plt

Автор: sickness Блог автора: Перевод: Gh0St 07.04.2012 Разработка эксплоитов для Linux. Часть 4 – обход ASCII armor и возврат в plt. ПРИМЕЧАНИЕ: Перед чтением данного документа, рекомендуется ознакомиться со следующими работами: Руководство по написанию эксплоитов для Linux. Часть I – переполнени...

Analyzing ASLR in Android Ice Cream Sandwich 4.0

When I first saw the release notes for the new Android Ice Cream Sandwich ICS platform, I was excited to see that Google mentioned that “Android 4.0 now provides address space layout randomization”. For the uninitiated, ASLR randomizes where various areas of memory eg. stack, heap, libs, etc are...

linux/x86 sys_execve("/sbin/sysctl") 121 bytes polymorphic shellcode

/ sysexecve"/sbin/sysctl", "/sbin/sysctl", "-w", "kernel.randomizevaspace=0" , NULL; 121 bytes polymorphic shellcode Programmer : Paulus Gandung Prakosa syn-attack Thanks to : mywisdom, gunslinger, nofia fitri, chaer.newbie, wenkhairu, ketek, xtr0nic, supermen ganteng, and all devilzc0de members ...

Aviosoft DTV Player buffer overflow vulnerability

Overview Aviosoft DTV Player contains a buffer overflow in the handling of playlist .plf files, which can allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system. Description Aviosoft DTV Player is a multiple format video player application. Aviosoft DTV Player...

AmmSoft ScriptFTP 3.3 client remote buffer overflow vulnerability

Overview AmmSoft's ScriptFTP client is susceptible to a remote buffer overflow vulnerability that is triggered when processing a sufficiently long filename during a FTP LIST command. Description AmmSoft's ScriptFTP client can be exploited to execute arbitrary code when processing GETLIST or GETFI...

[SECURITY] [DSA 2240-1] linux-2.6 security update

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ---------------------------------------------------------------------- Debian Security Advisory DSA-2240-1 [email protected] http://www.debian.org/security/ dann frazier May 24, 2011 http://www.debian.org/security/faq -...

kernel: proc: protect mm start_code/end_code in /proc/pid/stat

The dotaskstat function in fs/proc/array.c in the Linux kernel before 2.6.39-rc1 does not perform an expected uid check, which makes it easier for local users to defeat the ASLR protection mechanism by reading the startcode and endcode fields in the /proc//stat file for a process executing a PIE...

Important: Red Hat Security Advisory: kernel-rt security and bug fix update

Updated kernel-rt packages that fix multiple security issues and various bugs are now available for Red Hat Enterprise MRG 1.3. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed...

Linux Kernel "execve()"内存扩展"OOM-killer"本地拒绝服务漏洞

BUGTRAQ ID: 45004 CVE ID: CVE-2010-4243 Linux Kernel是开放源码操作系统Linux所使用的内核。 Linux Kernel的"OOM-killer"功能在实现上存在安全漏洞，本地攻击者可利用此漏洞终止不相关的进程，造成拒绝服务。 漏洞源于oomkill函数看不到没有附加到任何线程的已分配内存。 Linux kernel 2.6.24.3 - 2.6.37 RedHat Enterprise Linux Desktop v.5 client 厂商补丁： Linux ----- 目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载...

Unpatched Flaw in IE Bypasses Key Windows Security Features

An exploit exploiting an unpatched vulnerability in Internet Explorer IE has gone public. Security researcher Shahin Ramezany announced in a Tuesday tweet that he successfully exploited the flaw, which involves how IE handles CSS style sheets on Windows 7 and Vista machines. Offensive Security, a...

Microsoft Warns On New Browser Vulnerability

Microsoft on Wednesday issued a security advisory to users of its Internet Explorer Web browser about a newly disclosed vulnerability that could be exploited and used to run malicious code on vulnerable Windows systems. The Redmond, Washington company said it is investigating new, public reports ...

Linux Kernel 2.6.37 - setup_arg_pages() Denial of Service

Linux Kernel 2.6.37 - setupargpages Denial of Service // source: https://www.securityfocus.com/bid/44301/info / known for over a year, fixed in grsec bug is due to a bad limit on the max size of the stack for 32bit apps on a 64bit OS. Instead of them being limited to 1/4th of a 32bit address spac...

Microsoft Releases New Version of EMET Exploit Mitigation Toolkit

Mitigation has become the word of the moment at Microsoft, and the company on Thursday continued its recent flow of tools designed to lessen the effectiveness of certain attacks with the release of version 2.0 of its Enhanced Mitigation Experience Toolkit. The new version of the toolkit includes ...