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FreeBSD Security Advisory (FreeBSD-SA-10:05.opie.asc)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Created
Created
Modified
Modified
Summary
The remote host is missing an update to the system as announced in the referenced advisory FreeBSD-SA-10:05.opie.asc
Insight
Insight
OPIE is a one-time password system designed to help to secure a system against replay attacks. It does so using a secure hash function and a challenge/response system. OPIE is enabled by default on FreeBSD. A programming error in the OPIE library could allow an off-by-one buffer overflow to write a single zero byte beyond the end of an on-stack buffer.
Solution
Solution
Upgrade your system to the appropriate stable release or security branch dated after the correction date https://secure1.securityspace.com/smysecure/catid.html?in=FreeBSD-SA-10:05.opie.asc