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Insecure Library Loading
Highly critical

Sun Linux update for mgetty

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Release Date:  2003-07-29    Views:  9,219

Secunia Advisory SA9379

Where:

From remote

Impact:

Privilege escalation, DoS, System access

Solution Status:

Vendor Patch

Operating System:

CVE Reference(s):

Description


Sun has issued updated packages for mgetty. These fix two vulnerabilities, which can be exploited to compromise a vulnerable system or escalate privileges.

Mgetty doesn't validate the user name supplied by the modem, when calling external programs. This allows malicious users to overflow the buffer and execute arbitrary code with root privileges.

Also, local users are able to circumvent the permissions in faxspool. This allows local users to send faxes regardless of permissions.


Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Sun Linux update for mgetty

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