Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2010-1938

Severity CVSS v4.0:
Pending analysis
Type:
CWE-189 Numeric Errors
Publication date:
28/05/2010
Last modified:
11/04/2025

Description

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.

Impact

Vector 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 9.30 HIGH
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
9.30
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:freebsd:freebsd:6:stable:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:6.4:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:6.4:release:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:6.4:release_p2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:6.4:release_p3:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:6.4:release_p4:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:6.4:release_p5:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:6.4:stable:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:7.0:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:7.0:beta_4:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:7.0:current:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:7.0:pre-release:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:7.0:release:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:7.0:release-p12:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:7.0:release-p8:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools