BSD systems yp_passwd format string
| bsd-yp-passwd-format (5635) |  High Risk |
Description:
OpenBSD could allow a local attacker to gain root privileges and execute code, due to a vulnerability in the yp_passwd program. A local attacker can supply a malformed name to the printf function, and use this to gain root level privileges.
Consequences:
Gain Access
Remedy:
For OpenBSD:
Apply the patch as listed in OpenBSD Security Advisory, October 6, 2000. See References.
References:
- OpenBSD Security Advisory, October 6, 2000: There are printf-style format string bugs in several privileged programs..
- CVE-2000-0995: Format string vulnerability in OpenBSD yp_passwd program (and possibly other BSD-based operating systems) allows attackers to gain root privileges a malformed name.
- OSVDB ID: 6125: OpenBSD yp_passwd Malformed Name Format String
Platforms Affected:
- OpenBSD OpenBSD 2.3
- OpenBSD OpenBSD 2.4
- OpenBSD OpenBSD 2.5
- OpenBSD OpenBSD 2.6
- OpenBSD OpenBSD 2.7
Reported:
Oct 04, 2000
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