Vulnerability CVE-2010-1938

Vulnerability Name:

CVE-2010-1938 (CCN-58948)

Assigned:

2010-05-27

Published:

2010-05-27

Updated:

2011-07-29

Summary:

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 v3 Severity:

7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): Low

CVSS v2 Severity:

9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)
6.9 Medium (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
5.0 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

Vulnerability Type:

CWE-189

Vulnerability Consequences:

Gain Access

References:

Source: MISC
Type: UNKNOWN
http://blog.pi3.com.pl/?p=111

Source: CONFIRM
Type: UNKNOWN
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584932

Source: MITRE
Type: CNA
CVE-2010-1938

Source: CCN
Type: SA39963
FreeBSD OPIE __opiereadrec() Off-by-One Vulnerability

Source: SECUNIA
Type: Vendor Advisory
39963

Source: CCN
Type: SA39966
OPIE __opiereadrec() Off-by-One Vulnerability

Source: SECUNIA
Type: Vendor Advisory
39966

Source: SECUNIA
Type: UNKNOWN
45136

Source: CCN
Type: FreeBSD-SA-10:05.opie
OPIE off-by-one stack overflow

Source: FREEBSD
Type: Vendor Advisory
FreeBSD-SA-10:05

Source: CCN
Type: SecurityReason SecurityAlert : 87
libopie __readrec() off-by one (FreeBSD ftpd remote PoC)

Source: SREASONRES
Type: UNKNOWN
20100527 libopie __readrec() off-by one (FreeBSD ftpd remote PoC)

Source: SREASON
Type: UNKNOWN
7450

Source: CCN
Type: SECTRACK ID: 1024040
OPIE Off-by-One Buffer Overflow Lets Remote Users Deny Service

Source: SECTRACK
Type: UNKNOWN
1024040

Source: SECTRACK
Type: UNKNOWN
1025709

Source: MISC
Type: UNKNOWN
http://site.pi3.com.pl/adv/libopie-adv.txt

Source: DEBIAN
Type: UNKNOWN
DSA-2281

Source: DEBIAN
Type: DSA-2281
opie -- several vulnerabilities

Source: EXPLOIT-DB
Type: UNKNOWN
12762

Source: CCN
Type: OSVDB ID: 64949
OPIE readrec.c __opiereadrec() Off-by-One Remote Code Execution

Source: BID
Type: UNKNOWN
40403

Source: CCN
Type: BID-40403
OPIE '__opiereadrec()' Off By One Heap Memory Corruption Vulnerability

Source: XF
Type: UNKNOWN
opie-opiereadrec-bo(58948)

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [2010-05-27]

Vulnerable Configuration:

Configuration 1:

cpe:/o:freebsd:freebsd:6:stable:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:6.4:-:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:6.4:release:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:6.4:release_p2:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:6.4:release_p3:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:6.4:release_p4:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:6.4:release_p5:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:6.4:stable:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.0:-:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.0:beta_4:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.0:current:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.0:pre-release:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.0:release:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.0:release-p12:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.0:release-p8:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.0:release-p9:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.0:releng:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.0:stable:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.0-release:*:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.0_beta4:*:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.0_releng:*:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.1:-:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.1:pre-release:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.1:rc1:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.1:release-p1:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.1:release-p2:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.1:release-p4:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.1:release-p5:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.1:release-p6:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.1:stable:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.2:-:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.2:pre-release:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:7.2:stable:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:8.0:-:*:*:*:*:*:*

OR cpe:/o:freebsd:freebsd:8.1-prerelease:*:*:*:*:*:*:*

Configuration 2:

cpe:/a:nrl:opie:2.2:*:*:*:*:*:*:*

OR cpe:/a:nrl:opie:2.3:*:*:*:*:*:*:*

OR cpe:/a:nrl:opie:2.4:*:*:*:*:*:*:*

OR cpe:/a:nrl:opie:*:test1:*:*:*:*:*:* (Version <= 2.4.1)

OR cpe:/a:nrl:opie:2.10:*:*:*:*:*:*:*

OR cpe:/a:nrl:opie:2.11:*:*:*:*:*:*:*

OR cpe:/a:nrl:opie:2.21:*:*:*:*:*:*:*

OR cpe:/a:nrl:opie:2.22:*:*:*:*:*:*:*

OR cpe:/a:nrl:opie:2.32:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/o:freebsd:freebsd:7.0:-:*:*:*:*:*:*