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- Keyword (text search): cpe:2.3:a:shadow_project:shadow:4.13:*:*:*:*:*:*:*
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Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2023-29383 |
In Shadow 4.13, it is possible to inject control characters into fields provided to the SUID program chfn (change finger). Although it is not possible to exploit this directly (e.g., adding a new user fails because \n is in the block list), it is possible to misrepresent the /etc/passwd file when viewed. Use of \r manipulations and Unicode characters to work around blocking of the : character make it possible to give the impression that a new user has been added. In other words, an adversary may be able to convince a system administrator to take the system offline (an indirect, social-engineered denial of service) by demonstrating that "cat /etc/passwd" shows a rogue user account. Published: April 14, 2023; 6:15:07 PM -0400 |
V4.0:(not available) V3.1: 3.3 LOW V2.0:(not available) |