CVE-2010-1938

Freebsd < 2.4.1 - Numeric Error

Title source: rule

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.

Exploits (2)

exploitdb WORKING POC VERIFIED

by Maksymilian Arciemowicz · textdosfreebsd

https://www.exploit-db.com/exploits/12762

View Code ZIP pw:eip

nomisec WORKING POC 4 stars

by Nexxus67 · poc

https://github.com/Nexxus67/cve-2010-1938

View Code ZIP pw:eip

References (14)

[Various Sources] http://blog.pi3.com.pl/?p=111

[Third Party Advisory] http://securityreason.com/securityalert/7450

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/40403

[Various Sources] http://site.pi3.com.pl/adv/libopie-adv.txt

[Third Party Advisory, VDB Entry] http://securitytracker.com/id?1024040

[Third Party Advisory] http://www.debian.org/security/2011/dsa-2281

[Vendor Advisory] http://security.FreeBSD.org/advisories/FreeBSD-SA-10:05.opie.asc

[Vendor Advisory] http://secunia.com/advisories/39966

[Exploit, Third Party Advisory] http://www.exploit-db.com/exploits/12762

[Third Party Advisory] http://securityreason.com/achievement_securityalert/87

[Third Party Advisory, VDB Entry] http://securitytracker.com/id?1025709

[Issue Tracking] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584932

[Vendor Advisory] http://secunia.com/advisories/39963

[Third Party Advisory] http://secunia.com/advisories/45136

Scores

EPSS 0.3954

EPSS Percentile 97.3%

Details

CWE

CWE-189

Status published

Products (19)

freebsd/freebsd 6 stable

freebsd/freebsd 6.4 (7 CPE variants)

freebsd/freebsd 7.0 (10 CPE variants)

freebsd/freebsd 7.0-release

freebsd/freebsd 7.0_beta4

freebsd/freebsd 7.0_releng

freebsd/freebsd 7.1 (9 CPE variants)

freebsd/freebsd 7.2 (3 CPE variants)

freebsd/freebsd 8.0

freebsd/freebsd 8.1-prerelease

... and 9 more

Published May 28, 2010

Tracked Since Feb 18, 2026