CVE-1999-0132

Summary

CVE-1999-0132 is a vulnerability affecting the Expreserve feature in the vi and ex text editors. This issue allows local users to manipulate file permissions, leading to arbitrary file overwriting and potential root access. The vulnerability exists due to a lack of proper input validation in the Expreserve function. This security weakness poses a significant risk to systems with the affected text editors installed, particularly if users have write access to critical files. Mitigation measures include disabling the Expreserve feature or updating to a patched version of the text editor.

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