Exim is a message transfer agent (MTA) which runs on Unix-like systems. Exim is a widely used mail server. According to search results on Shodan, there are 5 milllion servers running Exim. A critical remote code execution vulnerability was discovered in Exim Server by Zerons. All the Exim servers accepting TLS connections are deemed to […]

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Samba is a file share server which is a re-implementation of the SMB protocol. Apart from being a server for sharing files and printers, Samba can also be used to access the file system on a Windows machine from a Unix machine. A security researcher, Stefan Metzmacher together with the Samba Team discovered a critical […]

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Quick Emulator (or QEMU) is a cross-platform open-source emulator that performs hardware virtualization. QEMU is a free alternative to VMware. It is used by Xen, VirtualBox, KVM and is available for most Linux distributions. Vishnu Dev, a security researcher, discovered that an attacker can break out of a guest operating system and attack the host operating […]

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Apple has released an emergency patch to fix a flaw in the kernel component. Reports indicate that Apple had accidentally reverted a patch previously issued for this vulnerability in May 2019. The devices which had installed updates released in June 2019 were exposed to this vulnerability again. This vulnerability was discovered by Ned Williamson of […]

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What is HTTP/2 ? HTTP/2 is an updated version of the HTTP protocol and was released in 2015. After the changes in HTTP specifications in 1999, this was the next major update that was issued for HTTP. HTTP/2 is based on SPDY protocol which is used in popular products like Google Chrome , Mozilla Firefox, […]

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Adobe released its monthly set of security updates to address the vulnerabilities in its products. This month’s release consists of 119 vulnerabilities addressed in 8 advisories. 25 vulnerabilities are rated critical and 94 vulnerabilities are rated important. These vulnerabilities impact Adobe After Effects CC, Adobe Character Animator CC, Adobe Premiere Pro CC, Adobe Prelude CC, […]

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