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
Published May 28, 2010
9.3
HIGHCVSS 2.0
EPSS 21.90%
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.
Affected products
No data.
Configuration 1
- 6
- 6.4
- 6.4
- 6.4
- 6.4
- 6.4
- 6.4
- 6.4
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0-release
- 7.0_beta4
- 7.0_releng
- 7.1
- 7.1
- 7.1
- 7.1
- 7.1
- 7.1
- 7.1
- 7.1
- 7.1
- 7.2
- 7.2
- 7.2
- 8.0
- 8.1-prerelease
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 21.90% (0.21900) | 97.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 21.99% (0.21992) | 97.35th | v5 (v2026.06.15) |
| Mar 2, 2026 | 39.54% (0.39537) | 97.24th | v4 (v2025.03.14) |
| Jan 31, 2026 | 43.39% (0.43387) | 97.41th | v4 (v2025.03.14) |
| Jan 25, 2026 | 60.07% (0.60068) | 98.20th | v4 (v2025.03.14) |
| Nov 14, 2025 | 65.73% (0.65729) | 98.42th | v4 (v2025.03.14) |
| Nov 11, 2025 | 64.52% (0.64515) | 98.36th | v4 (v2025.03.14) |
| Aug 9, 2025 | 59.85% (0.59854) | 98.16th | v4 (v2025.03.14) |
| Jul 6, 2025 | 64.52% (0.64515) | 98.34th | v4 (v2025.03.14) |
| Jun 23, 2025 | 62.24% (0.62243) | 98.23th | v4 (v2025.03.14) |
| Jun 18, 2025 | 67.99% (0.67986) | 98.47th | v4 (v2025.03.14) |
| Apr 13, 2025 | 64.52% (0.64515) | 98.32th | v4 (v2025.03.14) |
| Mar 30, 2025 | 66.89% (0.66890) | 98.42th | v4 (v2025.03.14) |
| Mar 29, 2025 | 15.16% (0.15157) | 91.03th | v4 (v2025.03.14) |
| Mar 28, 2025 | 66.89% (0.66890) | 98.42th | v4 (v2025.03.14) |
| Mar 27, 2025 | 15.16% (0.15157) | 93.67th | v4 (v2025.03.14) |
| Mar 20, 2025 | 66.89% (0.66890) | 98.47th | v4 (v2025.03.14) |
| Mar 19, 2025 | 15.16% (0.15157) | 93.79th | v4 (v2025.03.14) |
| Mar 17, 2025 | 65.28% (0.65281) | 98.34th | v4 (v2025.03.14) |
| Dec 12, 2024 | 84.64% (0.84640) | 98.62th | v3 (v2023.03.01) |
| Jul 15, 2024 | 84.64% (0.84640) | 98.54th | v3 (v2023.03.01) |
| Mar 7, 2023 | 86.92% (0.86924) | 97.98th | v3 (v2023.03.01) |
| Mar 6, 2023 | 37.39% (0.37385) | 97.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 37.39% (0.37385) | 97.10th | v2 (v2022.01.01) |
References (14)
- http://blog.pi3.com.pl/?p=111 x_refsource_MISC
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584932 x_refsource_CONFIRM
- http://secunia.com/advisories/39963 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/39966 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/45136 third-party-advisoryx_refsource_SECUNIA
- http://security.FreeBSD.org/advisories/FreeBSD-SA-10:05.opie.asc vendor-advisoryx_refsource_FREEBSDVendor Advisory
- http://securityreason.com/achievement_securityalert/87 third-party-advisoryx_refsource_SREASONRES
- http://securityreason.com/securityalert/7450 third-party-advisoryx_refsource_SREASON
- http://securitytracker.com/id?1024040 vdb-entryx_refsource_SECTRACK
- http://securitytracker.com/id?1025709 vdb-entryx_refsource_SECTRACK
- http://site.pi3.com.pl/adv/libopie-adv.txt x_refsource_MISC
- http://www.debian.org/security/2011/dsa-2281 vendor-advisoryx_refsource_DEBIAN
- http://www.exploit-db.com/exploits/12762 exploitx_refsource_EXPLOIT-DB
- http://www.securityfocus.com/bid/40403 vdb-entryx_refsource_BID
Change history (0)
No recorded changes yet.