This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of 7Z files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process.
CVE-2023-31102 is a 7Z File Parsing Integer Underflow Remote Code Execution vulnerability in 7-Zip that has been assigned a CVE score of 7.8 (i.e., risk is high). The Zero Day Initiative writes that this vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip.
The specific flaw exists within the parsing of 7Z files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process.
7-Zip vulnerability or CVE-2022-29072 is an active zero-day vulnerability and is characterized as allowing privilege escalation and command execution for Windows when a file with the .7z extension is dragged to the Help > Contents area.
The Zip Path Traversal vulnerability can be used to achieve arbitrary file overwrite. Depending on conditions, the impact might vary, but in many cases this vulnerability can lead to major security issues such as code execution.
This is an active zero-day vulnerability and is characterized as allowing privilege escalation and command execution. In other words, someone with limited access to your computer would be able to gain higher-level control, usually admin access, to run commands or apps.
Malicious users can exploit this vulnerability to gain privileges and execute arbitrary code by dragging and dropping file with the . 7z extension to the Help>Contents area. The vulnerability announced in version 21.07 and disputed by vendor.
To check a site, http://example.com/?username=${7*7} URL can help in SSTI detection. Here, you need to replace 'example.com' with the name of the site. If the URL search result features any mathematical value, it shows the presence of SSTI vulnerability.
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