PT-2013-1527 · Red Hat +3 · Fedora +4

Name of the Vulnerable Software and Affected Versions: Red Hat Enterprise Linux RHEL versions 5 and 6 Fedora versions 15 and 16 Description: The ExecShield feature in a certain Red Hat patch for the Linux kernel does not properly handle use of many shared libraries by a 32-bit executable file. Th...

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...

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 ...

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 ...

linux/x86-64 Disable ASLR Security 143 bytes

Exploit for linux/x86-64 platform in category shellcode ============================================ linux/x86-64 Disable ASLR Security 143 bytes ============================================ / Title: Linux/x86-64 - Disable ASLR Security - 143 bytes Date: 2010-06-17 Tested: Archlinux x8664 k2.6.33...

Mozilla Falls Short on Firefox ASLR Implementation

Like Apple’s Safari, the open-source Mozilla Firefox browser does not properly implement ASLR, a key anti-exploit mitigation that can limit the damage from hacker attacks. Nils, the U.K.-based researcher who compromised a Windows machine running Firefox for the second year in a row told me it’s...

CORE-2009-0803: Virtual PC Hypervisor Memory Protection Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Core Security Technologies - CoreLabs Advisory http://www.coresecurity.com/corelabs/ Virtual PC Hypervisor Memory Protection Vulnerability 1. Advisory Information Title: Virtual PC Hypervisor Memory Protection Vulnerability Advisory Id: CORE-2009-0803...

Virtual PC Hypervisor - Memory Protection

Virtual PC Hypervisor - Memory Protection -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Core Security Technologies - CoreLabs Advisory http://www.coresecurity.com/corelabs/ Virtual PC Hypervisor Memory Protection Vulnerability 1. Advisory Information Title: Virtual PC Hypervisor Memory Protection...

kernel: personality: fix PER_CLEAR_ON_SETID

The personality subsystem in the Linux kernel before 2.6.31-rc3 has a PERCLEARONSETID setting that does not clear the ADDRCOMPATLAYOUT and MMAPPAGEZERO flags when executing a setuid or setgid program, which makes it easier for local users to leverage the details of memory usage to 1 conduct NULL...

kernel: personality: fix PER_CLEAR_ON_SETID

The personality subsystem in the Linux kernel before 2.6.31-rc3 has a PERCLEARONSETID setting that does not clear the ADDRCOMPATLAYOUT and MMAPPAGEZERO flags when executing a setuid or setgid program, which makes it easier for local users to leverage the details of memory usage to 1 conduct NULL...

Mandriva Linux Security Advisory : kernel (MDVSA-2009:289)

Some vulnerabilities were discovered and corrected in the Linux 2.6 kernel : The personality subsystem in the Linux kernel before 2.6.31-rc3 has a PERCLEARONSETID setting that does not clear the ADDRCOMPATLAYOUT and MMAPPAGEZERO flags when executing a setuid or setgid program, which makes it easi...

USN-852-1: Linux kernel vulnerabilities

Solar Designer discovered that the z90crypt driver did not correctly check capabilities. A local attacker could exploit this to shut down the device, leading to a denial of service. Only affected Ubuntu 6.06. CVE-2009-1883 Michael Buesch discovered that the SGI GRU driver did not correctly check...