HP-UX stmkfont buffer overflow
| hp-stmkfont-bo (11313) |  High Risk |
Description:
HP-UX is vulnerable to a buffer overflow in the /usr/bin/stmkfont program, which is a utility for generating X and PCL fonts from Intellifont scalable typeface data. A local attacker could exploit this buffer overflow to execute arbitrary code on the system with elevated privileges.
Platforms Affected:
- HP, HP-UX 11.0.4
- HP, HP-UX 11.00
- HP, HP-UX 11.04
- HP, HP-UX 11.10
- HP, HP-UX 11.11
- HP, HP-UX 11.11i
- HP, HP-UX 11.2
- HP, HP-UX 11.20
- HP, HP-UX 11.22
- HP, HP-UX 11.23
- HP, HP-UX 11.31
- HP, HP-UX 11.4
Remedy:
For HP-UX 10.20:
Apply patch PHSS_15423, as listed in Hewlett-Packard Company Security Bulletin HPSBUX0302-241. See References.
As a workaround, remove the suid permissions from stmkfont using the following command:
chmod 555 /usr/bin/stmkfont
Consequences:
Gain Privileges
References:
- BID-6836: HP-UX stmkfont Alternate Typeface Library Buffer Overflow Vulnerability
Reported:
Feb 12, 2003
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