CVE-2010-1938
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…
- 9.3HighCVSS base score
- 22.1%Exploitation in 30 daysEPSS · top 2.3% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Show the exploits2
Exploit-DB1 entry
- FreeBSD 8.0 - 'ftpd' (FreeBSD-SA-10:05) Off-By-One (PoC) (Exploit-DB entry) (opens in a new tab)
EDB-ID 12762dos, freebsdpublished 27 May 2010Verified
References tagged exploit1 reference
- 12762 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 15 days later
· 15 days later
Published
- 14 years later
· 14 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 22.1% · top 2.3% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Affected products
n/a
- affected n/a
References
14
- http://blog.pi3.com.pl/?p=111 (opens in a new tab)x_refsource_MISCx_transferred
- 7450 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- 40403 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://site.pi3.com.pl/adv/libopie-adv.txt (opens in a new tab)x_refsource_MISCx_transferred
- 1024040 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- DSA-2281 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- FreeBSD-SA-10:05 (opens in a new tab)vendor-advisoryx_refsource_FREEBSDx_transferred
- 39966 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 12762 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 20100527 libopie __readrec() off-by one (FreeBSD ftpd remote PoC) (opens in a new tab)third-party-advisoryx_refsource_SREASONRESx_transferred
- 1025709 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584932 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 39963 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 45136 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2010-1957 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2010-1938)Record last updated .