Computer Security
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FreeBSD OPIE library off-by-one overflow
SecurityVulns ID:10882
Threat Level:
Description:Off-by-one overflow during authentication.
Affected:FREEBSD : FreeBSD 7.1
 FREEBSD : FreeBSD 6.4
 FREEBSD : FreeBSD 7.2
 FREEBSD : FreeBSD 8.0
 FREEBSD : FreeBSD 7.3
CVE:CVE-2010-1938 (Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier, as used on FreeBSD 6.4 through 8.1-PRERELEASE and other platforms, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long username, as demonstrated by a long USER command to the FreeBSD 8.0 ftpd.)
Original documentdocumentFREEBSD, FreeBSD Security Advisory FreeBSD-SA-10:05.opie (28.05.2010)

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