Title: BSD/OS UUCP Argument Buffer Overflow Vulnerability
Severity: MODERATE
Description:
UUCP is the Unix-to-Unix Copy Protocol infrastructure, implmented with numerous Unix and Unix clone operating systems. This problem affects the BSD/OS implementation.
A problem in the uucp binary has been discovered that can allow a local user to gain elevated privileges. The problem is in the handling of arguments by the uucp program.
uucp does not correctly check bounds on arguments supplied to the uucp program when executed. Because of this, it is possible for a local user to supply an arbitrarily long string to uucp upon execution, and overwrite variables on the stack. This make it possible for a local user to execute code with the privileges of uucp.
This problem makes it possible for local users to gain elevated privileges, and could lead to further compromise of a vulnerable host.
Affected Products:
- BSDI BSD/OS 3.0.0
- BSDI BSD/OS 3.1.0
- BSDI BSD/OS 4.0.0
- BSDI BSD/OS 4.0.1
- BSDI BSD/OS 4.1.0
- BSDI BSD/OS 4.2.0
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