Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
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.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
shadow 注入漏洞
Vulnerability Description
shadow是一套用于维护Debian系统的工具套件。 shadow 4.13版本存在安全漏洞。攻击者利用该漏洞导致系统拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A