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The Hacker News — Cyber Security and Hacking News Website: Stack overflow

Hackers Breach Stack Overflow Q&A Site, Some Users' Data Exposed

Hackers Breach Stack Overflow Q&A Site, Some Users' Data Exposed

May 17, 2019Swati Khandelwal
Note: We have updated this story to reflect new information after Stack Overflow changed its original announcement and shared more details on the security incident. Stack Overflow, one of the largest question and answer site for programmers, revealed today that unknown hackers managed to exploit a bug in its development tier and then almost a week after they gained unauthorized access to its production version. Founded by Jeff Atwood and Joel Spolsky in 2008, Stack Overflow is the flagship site of the Stack Exchange Network. With 10 million registered users and over 50 million unique visitors every month, Stack Overflow is very popular among professional and enthusiast programmers. In an older version of the announcement published by Mary Ferguson, VP of Engineering at Stack Overflow, the company confirmed the breach but said it did not find any evidence that hackers accessed customers' accounts or any user data. However, the updated announcement now says that after
Google Finds 7 Security Flaws in Widely Used Dnsmasq Network Software

Google Finds 7 Security Flaws in Widely Used Dnsmasq Network Software

October 03, 2017Unknown
Security researchers have discovered not one or two, but a total of seven security vulnerabilities in the popular open source Dnsmasq network services software, three of which could allow remote code execution on a vulnerable system and hijack it. Dnsmasq is a widely used lightweight network application tool designed to provide DNS (Domain Name System) forwarder, DHCP (Dynamic Host Configuration Protocol) server, router ads and network boot services for small networks. Dnsmasq comes pre-installed on various devices and operating systems, including Linux distributions such as Ubuntu and Debian, home routers, smartphones and Internet of Things (IoT) devices. A shodan scan for "Dnsmasq" reveals around 1.1 million instances worldwide. Recently, Google's security team reviewed Dnsmasq and discovered seven security issues, including DNS-related remote code execution, information disclosure, and denial-of-service (DoS) issues that can be triggered via DNS or DHCP. &q
23-year-old Stack overflow vulnerability discovered in X11 Server

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

January 09, 2014Anonymous
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
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