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CVE-2010-1938

Date: May 28, 2010

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.

Severity Score

Related Resources (16)

http://securitytracker.com/id?1025709
http://site.pi3.com.pl/adv/libopie-adv.txt
http://securitytracker.com/id?1024040
http://www.exploit-db.com/exploits/12762
http://blog.pi3.com.pl/?p=111
http://www.securityfocus.com/bid/40403
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584932
http://secunia.com/advisories/39966
http://securityreason.com/achievement_securityalert/87
http://secunia.com/advisories/39963
https://nvd.nist.gov/vuln/detail/CVE-2010-1938
http://secunia.com/advisories/45136
http://security.FreeBSD.org/advisories/FreeBSD-SA-10:05.opie.asc
http://www.debian.org/security/2011/dsa-2281
http://securityreason.com/securityalert/7450
https://www.mend.io/vulnerability-database/CVE-2010-1938

Severity Score

Weakness Type (CWE)

Numeric Errors

CWE-189

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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