PHP Common Vulnerability Attack analysis, PHP vulnerability attack
Summary: PHP program is not impregnable, with the extensive use of PHP, some hackers are also in the absence of the trouble to find PHP, through the PHP program vulnerability to attack is one of them. In the section, we will analyze the security of PHP from the aspects of global variables, remote
Linux Bash severe vulnerability emergency repair solution, bash severe vulnerability
Recommendation: 10-year technical masterpiece: High-Performance Linux Server build Practice II is released across the network, with a trial reading chapter and full-book instance source code download!
Today, a Bash security vulnerability has been detected. Bash has a security
The compound worm with the cursor vulnerability appeared in the Vista operating system and revealed the first major vulnerability.
On July 6, March 30, Microsoft Vista operating system revealed the first major vulnerability. Yesterday, Rising anti-virus experts found that the vulnerability has been exploited by hacker
sniffer tools, when not using SSL transmission connection, you can sniff the plaintext password, through the use of SSL encrypted transmission connection, escaped the clear text transmission was sniffing this robbery.
Now serv-u FTP server in the domestic application is quite extensive, small to the individual, large to the group, as long as the bug found that the attack code for the vulnerability spread up, will give a lot of enterprises and individ
" Super Denial of service vulnerability " is an android generic denial of service vulnerability that could allow a malicious attacker to use this vulnerability to cause any app in the phone to crash and not work, almost affecting all Android devices currently on the market APP application. Vulnerability Analysis: 0x
Vulnerability warning: FTP exposes a severe remote execution vulnerability, affecting multiple versions of Linux (with a detection script)
On July 6, October 28, a public email showed the FTP remote command execution vulnerability. The vulnerability affected Linux systems include: Fedora, Debian, NetBSD, FreeBSD, OpenB
In the Web site program code security detection, Web site file Arbitrary view vulnerability in the entire site Security report is a relatively high-risk site vulnerability, the general website will contain this vulnerability, especially the platform, mall, interactive sites more, like the normal permissions bypass the vulnera
ref:https://www.anquanke.com/post/id/84922PHP Anti-Serialization Vulnerability Genesis and vulnerability mining techniques and casesI. Serialization and deserializationThe purpose of serialization and deserialization is to make it easier to transfer objects between programs. Serialization is one way to convert an object to a string to store the transport. Deserialization is exactly the inverse of the serial
Analysis of Common PHP vulnerability attacks and php vulnerability attacks
Summary: PHP programs are not solid. With the widespread use of PHP, some hackers do not want to bother with PHP, and attacks by using PHP program vulnerabilities are one of them. In this section, we will analyze the security of PHP in terms of global variables, remote files, file uploads, library files, Session files, data types, an
Recently, Apache official release of Apache Struts 2.3.5–2.3.31 version and 2.5–2.5.10 version of the Remote Code execution Vulnerability (cnnvd-201703-152, cve-2017-5638) of the Emergency Vulnerability Bulletin. The vulnerability is because the exception handler for the upload function does not correctly handle user input error messages, causing a remote attacke
In the Web site program code security detection, Web site file Arbitrary view vulnerability in the entire site Security report is a relatively high-risk site vulnerability, the general website will contain this vulnerability, especially the platform, mall, interactive sites more, like the normal permissions bypass the vulnera
PS: This verification is only for study and research, please do not use illegally. I. Overview of Vulnerabilities
In the early hours of April 18 in Beijing, Oracle officially released the April key patch update CPU (criticalpatchupdate), which contains a high-risk weblogic deserialization Vulnerability (cve-2018-2628), via the vulnerability, An attacker could remotely execute code without authorization. At
Ueditor recently exposed to high-risk loopholes, including the current official Ueditor 1.4.3.3 latest version, are affected by this vulnerability, Ueditor is the official Baidu technical team developed a front-end editor, you can upload pictures, write text, support custom HTML writing, Mobile and computer-side can be seamlessly docking, adaptive pages, pictures can automatically adapt to the current upload path and page scale, some video file upload
A typical node application may have hundreds of or even thousands of packages dependent (most of the dependencies are indirect, that is, to download a package that relies on a lot of other packages), so the end result is that the application will look like this: The amount of code you write is less pathetic than the package you depend on. The introduction of a large number of packages into the code of the application, but also introduced some unpredictable pitfalls, such as whether we know if th
Microsoft released the patch ms14-068 (critical) on November 19, 2014, which fixes Windows Kerberos's vulnerability to allow elevation of privilege (cve-2014-6324), as detailed below, please be aware.
Software and systems that have been identified for successful use:
Windows Server 2003
Windows Vista
Windows Server 2008
Windows 7
Windows Server 2008 R2
Windows 8 and Windows 8.1
Windows Server and Windows Server R2
Server Core installation option
to put, next to take or from the same place, but if you start to record 1234, you put 2 deleted, the next new time, The code logic lets you know that the location of the original index entry 2 in the Index table is taken to new, so the index table is allowed to be fragmented.
Third, vulnerability mining:In this way, the combination of function and Index table mechanism of the principle, the process of data processing ideas are clear, the followi
trick.EnvIn this way, you can directly execute echo. In fact, this command can be replaced with any other command, so that bash can execute any command. This is the basic principle of this bash vulnerability.
Let's take a look at the effect after patching.
[Root @ localhost ~] # Env X = '() {echo I am an environment variable;}; echo you recruited 'bash-C' env'HOSTNAME = localhost. localdomainSHELL =/bin/ba
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