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Last updated: 3/28/2015 9:03:19 PM

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Vulnerability Summary for CVE-2010-1938

Original release date: 05/28/2010
Last revised: 07/28/2011


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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 9.3 (HIGH) (AV:N/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: BID
Name: 40403
External Source: EXPLOIT-DB
Name: 12762
External Source: SREASONRES
Name: 20100527 libopie __readrec() off-by one (FreeBSD ftpd remote PoC)
External Source: DEBIAN
Name: DSA-2281
External Source: FREEBSD
Name: FreeBSD-SA-10:05
Type: Advisory
External Source: MISC
Name: http://site.pi3.com.pl/adv/libopie-adv.txt
External Source: MISC
Name: http://blog.pi3.com.pl/?p=111
External Source: SECTRACK
Name: 1025709
External Source: CONFIRM
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584932
External Source: SREASON
Name: 7450
External Source: SECTRACK
Name: 1024040

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:nrl:opie:2.32
* cpe:/a:nrl:opie:2.4
* cpe:/a:nrl:opie:2.4.1:test1 and previous versions
* cpe:/a:nrl:opie:2.3
* cpe:/a:nrl:opie:2.22
* cpe:/a:nrl:opie:2.21
* cpe:/a:nrl:opie:2.2
* cpe:/a:nrl:opie:2.11
* cpe:/a:nrl:opie:2.10
+ Configuration 2
+ OR
* cpe:/o:freebsd:freebsd:6.4
* cpe:/o:freebsd:freebsd:6.4:release
* cpe:/o:freebsd:freebsd:6.4:release_p2
* cpe:/o:freebsd:freebsd:6.4:release_p3
* cpe:/o:freebsd:freebsd:6.4:release_p4
* cpe:/o:freebsd:freebsd:6.4:release_p5
* cpe:/o:freebsd:freebsd:6.4:stable
* cpe:/o:freebsd:freebsd:6:stable
* cpe:/o:freebsd:freebsd:7.0
* cpe:/o:freebsd:freebsd:7.0-release
* cpe:/o:freebsd:freebsd:7.0:beta_4
* cpe:/o:freebsd:freebsd:7.0:current
* cpe:/o:freebsd:freebsd:7.0:pre-release
* cpe:/o:freebsd:freebsd:7.0:release
* cpe:/o:freebsd:freebsd:7.0:release-p12
* cpe:/o:freebsd:freebsd:7.0:release-p8
* cpe:/o:freebsd:freebsd:7.0:release-p9
* cpe:/o:freebsd:freebsd:7.0:releng
* cpe:/o:freebsd:freebsd:7.0:stable
* cpe:/o:freebsd:freebsd:7.0_beta4
* cpe:/o:freebsd:freebsd:7.0_releng
* cpe:/o:freebsd:freebsd:7.1
* cpe:/o:freebsd:freebsd:7.1:pre-release
* cpe:/o:freebsd:freebsd:7.1:rc1
* cpe:/o:freebsd:freebsd:7.1:release-p1
* cpe:/o:freebsd:freebsd:7.1:release-p2
* cpe:/o:freebsd:freebsd:7.1:release-p4
* cpe:/o:freebsd:freebsd:7.1:release-p5
* cpe:/o:freebsd:freebsd:7.1:release-p6
* cpe:/o:freebsd:freebsd:7.1:stable
* cpe:/o:freebsd:freebsd:7.2
* cpe:/o:freebsd:freebsd:7.2:pre-release
* cpe:/o:freebsd:freebsd:7.2:stable
* cpe:/o:freebsd:freebsd:8.0
* cpe:/o:freebsd:freebsd:8.1-prerelease

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)