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23-year-old Stack overflow vulnerability discovered in X11 Server

23-year-old Stack overflow vulnerability discovered in X11 Server

Jan 09, 2014
X.Org Foundation develops the X-Window System, the standard window system for open source operating systems and devices. Most of the graphical user interfaces for Unix and Linux systems rely on it. At the 30th Chaos Communication Congress (CCC) in Germany, Ilja van Sprundel , a security researcher gave the presentation titled  " X11 Server security with being 'worse than it looks.'". He found more than 120 bugs in a few months. In the presentation, he has presented a 23 year old Stack overflow vulnerability in X11 System that could lead to privilege escalation to root and affects all versions of the X Server back to X11R5. Later today, X.Org Foundation released a security Advisory , states " A BDF font file containing a longer than expected string could overflow the buffer on the stack. Testing in X servers built with Stack Protector resulted in an immediate crash when reading a user-provided specially crafted font. " The flaw resides in a file at " libXfo...
Vulnerability in Facebook discloses Primary Email Address of any account

Vulnerability in Facebook discloses Primary Email Address of any account

Jul 09, 2013
When you sign up on Facebook, you have to enter an email address and that email address becomes your primary email address on Facebook. In a recent disclosure by a Security researcher, Stephen Sclafani - The Social Networking site Facebook was  vulnerable to disclosure of primary email address of any Facebook user to hackers and spammers . The flaw resides in the invitation mechanism of Facebook, using which one can invite his all contacts emails to Facebook for making new account. As shown in following screenshot, an invitation received on an email, where one need to click the Signup URL: After clicking that URL, invited user will be redirected to a signup page filled in with the email address and the name of a person who used the link to sign up for an account was displayed: There are two parameters in this URL, i.e "re" and "mid". According to Stephen changing some part of "mid" parameter can expose the email address of another user. http:/...
Protecting Your Software Supply Chain: Assessing the Risks Before Deployment

Protecting Your Software Supply Chain: Assessing the Risks Before Deployment

Feb 11, 2025Software Security / Threat Intelligence
Imagine you're considering a new car for your family. Before making a purchase, you evaluate its safety ratings, fuel efficiency, and reliability. You might even take it for a test drive to ensure it meets your needs. The same approach should be applied to software and hardware products before integrating them into an organization's environment. Just as you wouldn't buy a car without knowing its safety features, you shouldn't deploy software without understanding the risks it introduces. The Rising Threat of Supply Chain Attacks Cybercriminals have recognized that instead of attacking an organization head-on, they can infiltrate through the software supply chain—like slipping counterfeit parts into an assembly line. According to the 2024 Sonatype State of the Software Supply Chain report , attackers are infiltrating open-source ecosystems at an alarming rate, with over 512,847 malicious packages detected last year alone—a 156% increase from the previous year. Traditional sec...
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