php: Wrong ciphertext/tag in AES-CCM encryption for a 12 bytes IV

In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when AES-CCM mode is used with opensslencrypt function with 12 bytes IV, only first 7 bytes of the IV is actually used. This can lead to both decreased security and incorrect encryption data...

Fortinet(FortiGate)suspected the presence of the SSH Backdoor influence 4. 0 to 5.0.7 version-bug warning-the black bar safety net

Overview 1 On 1 2 May, twitter user@esizkur published information that the Fortigate exist ssh back door, the impact of the version from 4. 0 to 5. 0. 7, and in the link given in the attached full attack using the code. According to the disclosure of information display, the attacker can use this...

A minute crack linux fedora5 password to modify version-bug warning-the black bar safety net

Figure 1 Figure 2 See Figure 3. The interface should be somewhat strange! Now we enter a single command / 1 Remember: enter the“slash”after press the“space”in the input 1, then press the“ENTER key” The input command is a carriage return, it will return as “Figure 2”of the interface! Then press th...