Security

ID theft, vulnerabilities, privacy issues, etc

Mac and Linux attacks set to rise

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Security

Speaking to consumer PC mag PC Pro, security guru Eugene Kaspersky said that the lukewarm reception of Vista will result in defections to Mac OS and Linux, thus making them more attractive targets for malware writers.

New MacOS and Linux virus found in the wild

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Security

I have just come across some news while reading my daily news fix of a new virus that has been released into the wild that effect the Mac and Linux operating systems This virus is apparently very virulent and quite destructive. It gains entry through a previously unknown kernel flaw that is inherent in all unix type kernels. So far there is no patch available.

Linux Kernel "tcp_v6_syn_recv_soc()" IPv6 Sockets Local DoS Vulnerability

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Security

A vulnerability has been identified in Linux Kernel, which could be exploited by local attackers to cause a denial of service.

Debian, Red Hat patch numerous OpenOffice flaws

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Security

Debian released a patch to fix multiple vulnerabilities in OpenOffice that open up the users' systems to compromise, Secunia reported on Wednesday.

One vulnerability was originally discovered by an anonymous researcher and reported to VeriSign’s iDefense Labs.

iDefense reported that research by Sean Larsson found additional flaws.

KDE Konqueror FTP PASV Response Handling Client-Side Port Scanning Vulnerability

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Security

A vulnerability has been identified in KDE Konqueror, which could be exploited by attackers to gain knowledge of sensitive information.

Two vulnerabilities in KDE BitTorrent client KTorrent

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Security

Version 2.1.2 of the open-source BitTorrent client KTorrent for KDE removes two vulnerabilities. The first one is said to enable an attacker to cause the application to crash. According to the bug report by Ubuntu the vulnerability also allows code to be injected onto a system and executed. The vulnerability is found in the module chunkcounter.cpp and is triggered by large idx values.

WordPress server hacked, downloads rigged with serious flaw

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Security

An unknown cracker broke into a server hosting downloads of the popular WordPress blogging software and rigged the file with a remotely exploitable code execution vulnerability. If you downloaded WordPress 2.1.1 within the past 3-4 days, your files may include a security exploit that was added by a cracker.

Snort no fort, could be mugged by bug

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Security

A flaw in Snort, the popular open-source intrusion detection system, could be used by attackers to run malicious code on vulnerable machines, several security organizations reported yesterday.

Microsoft, Mozilla look into browser flaws

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Security

Microsoft and Mozilla are each working to tackle recently disclosed security flaws in the Internet Explorer and Firefox Web browsers.

New Firefox cookie vulnerability, workaround

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Security

Security researcher/hacker, Michal Zalewski has released a report on a security vulnerability affecting Firefox 2.0.0.1 and possibly earlier versions. The vulnerability could allow a malicious web site to impersonate an authentic one and set a cookie on its behalf. Zalewski recommends this workaround:

Filesystem encryption in mixed environments with TrueCrypt

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Security

If you want to encrypt your sensitive files so that no one can access them without your personal password or decryption key, you have several options. But if you want a free, cross-platform, open source encryption application, try TrueCrypt.

Ubuntu: Linux kernel vulnerabilities

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Security

Mark Dowd discovered that the netfilter iptables module did not correctly handle fragmented IPv6 packets. By sending specially crafted packets, a remote attacker could exploit this to bypass firewall rules.

Two flaws found in Firefox

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Security

A security company has reported two new flaws in the Mozilla Firefox browser that may leave locally saved files vulnerable to outside attacks.

Debian warns of Mozilla bugs

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Security

Linux distributor Debian issued a security advisory over the weekend, warning of several problems in Mozilla and associated products such as Mozilla Firefox.

M$ and Open Source Experts to Brief House of Lords

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Security

Representatives of Microsoft Corp and the open source community will this week brief members of the UK's House of Lords as part of its ongoing inquiry into personal internet security.

Automatically Scan Uploaded Files For Viruses With php-clamavlib

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Security
Ubuntu
HowTos

This guide describes how you can automatically scan files uploaded by users through a web form on your server using PHP and ClamAV. That way you can make sure that your upload form will not be abused to distribute malware. To glue PHP and ClamAV, we install the package php5-clamavlib/php4-clamavlib which is rather undocumented at this time. That package is available for Debian Etch and Sid and also for Ubuntu Dapper Drake and Edgy Eft.

Opera Has Words For Mozilla

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Software
Security

Opera Software is calling accusations made by Mozilla staffer Asa Dotzler regarding Opera's security disclosure policies, "dangerous and irresponsible."

Some unpleasant X.org vulnerabilities

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Security

iDefense Lab security researchers discovered that the expressions computing the parameters for ALLOCATE_LOCAL() in those functions are using client-provided value in an expression that is subject to integer overflows, which could lead to memory corruption. All X.Org X server version implementing the X render and dbe extensions are vulnerable.

Mozilla Takes Aim at Opera Security

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Software
Security

Opera Software may well be putting its browser users at risk by not properly disclosing security vulnerabilities to vulnerable users. At least that's the allegation made by Mozilla Corp.'s Asa Dotzler.

Opera on Handling Security

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Security

Recently, some of our users have asked why we chose to disclose a potential security issue only after the release of Opera 9.10. Let me try to give a short overview on how security issues get reported and disclosed - and not only at Opera, but in most applications: it might help some people to understand how this works.

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