CVE-2010-1938 EXPLOIT
9.3
HIGH · CVSS 2.0 · EPSS 21.9% (pctl 98)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 9.3 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:M/Au:N/C:C/I:C/A:C |
| EPSS | 21.9% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-189 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2010-05-28 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| freebsd | freebsd |
| nrl | opie |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | FreeBSD 8.0 - 'ftpd' (FreeBSD-SA-10:05) Off-By-One (PoC) | 2010-05-27 |
References
- http://blog.pi3.com.pl/?p=111
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584932
- http://secunia.com/advisories/39963
- http://secunia.com/advisories/39966
- http://secunia.com/advisories/45136
- http://security.FreeBSD.org/advisories/FreeBSD-SA-10:05.opie.asc
- http://securityreason.com/achievement_securityalert/87
- http://securityreason.com/securityalert/7450
- http://securitytracker.com/id?1024040
- http://securitytracker.com/id?1025709
- http://site.pi3.com.pl/adv/libopie-adv.txt
- http://www.debian.org/security/2011/dsa-2281
- http://www.exploit-db.com/exploits/12762
- http://www.securityfocus.com/bid/40403
- http://blog.pi3.com.pl/?p=111
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584932
- http://secunia.com/advisories/39963
- http://secunia.com/advisories/39966
- http://secunia.com/advisories/45136
- http://security.FreeBSD.org/advisories/FreeBSD-SA-10:05.opie.asc
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