Sendfile Local Arbitrary Command Execution as Group 0 Vulnerability

BID:2631

Info

Sendfile Local Arbitrary Command Execution as Group 0 Vulnerability

Bugtraq ID: 2631
Class: Input Validation Error
CVE:
Remote: No
Local: Yes
Published: Apr 20 2001 12:00AM
Updated: Apr 20 2001 12:00AM
Credit: Reportedly discovered by Colin Phipps and Daniel Kobras.
Vulnerable: Sendfile Sendfile 2.1
- Debian Linux 2.2
Sendfile Sendfile 1.6
Sendfile Sendfile 1.5
Sendfile Sendfile 1.4
Not Vulnerable:

Discussion

Sendfile Local Arbitrary Command Execution as Group 0 Vulnerability

A vulnerability exists in the Sendfile asynchronous file transfer daemon.

Failure by the sendfile daemon (sendfiled) to validate a user-supplied configuration value could allow a local user to execute arbitrary code and gain group 0 privileges.

This may lead to a further compromise on some systems.

Update: There is a serialization error which can result in privileges not being dropped properly. In conjunction with such behaviour, this vulnerability can be used to obtain user root privileges. If exploited, it would be a complete system compromise.

Solution / Fix

Sendfile Local Arbitrary Command Execution as Group 0 Vulnerability

Solution:
**NOTE**: Certain fixes that are available may not completely eliminate vulnerability in Sendfile.

Users are advised to download the upgraded package directly from the Sendfile distribution site (see below):


Sendfile Sendfile 1.4

Sendfile Sendfile 1.5

Sendfile Sendfile 1.6

Sendfile Sendfile 2.1

References

Sendfile Local Arbitrary Command Execution as Group 0 Vulnerability

References:

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