Off-by-one error in the do_login_loop function in libwzd-core/wzd_login.c in wzdftpd 0.8.0, 0.8.2, and possibly other versions allows remote attackers to cause a denial of service (daemon crash) via a long USER command that triggers a stack-based buffer overflow
Published Oct 9, 2007
5.0
MEDIUMCVSS 2.0
EPSS 4.91%
Description
Off-by-one error in the do_login_loop function in libwzd-core/wzd_login.c in wzdftpd 0.8.0, 0.8.2, and possibly other versions allows remote attackers to cause a denial of service (daemon crash) via a long USER command that triggers a stack-based buffer overflow. NOTE: some of these details are obtained from third party information.
Affected products
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:L/Au:N/C:N/I:N/A:P
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 1, 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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.91% (0.04906) | 91.83th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.91% (0.04906) | 90.95th | v5 (v2026.06.15) |
| Jul 28, 2025 | 14.10% (0.14098) | 94.03th | v4 (v2025.03.14) |
| Mar 17, 2025 | 16.43% (0.16429) | 94.37th | v4 (v2025.03.14) |
| Jan 12, 2025 | 13.29% (0.13289) | 95.58th | v3 (v2023.03.01) |
| Aug 12, 2024 | 14.67% (0.14669) | 95.85th | v3 (v2023.03.01) |
| Jul 5, 2024 | 11.22% (0.11221) | 95.23th | v3 (v2023.03.01) |
| Mar 12, 2024 | 11.39% (0.11390) | 95.06th | v3 (v2023.03.01) |
| May 25, 2023 | 11.10% (0.11096) | 94.28th | v3 (v2023.03.01) |
| Apr 19, 2023 | 11.58% (0.11585) | 94.39th | v3 (v2023.03.01) |
| Mar 7, 2023 | 12.04% (0.12037) | 94.42th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.20% (0.07197) | 92.42th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.20% (0.07197) | 91.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.20% (0.07197) | 80.47th | v2 (v2022.01.01) |
References (8)
- http://secunia.com/advisories/27091 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28342 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.debian.org/security/2008/dsa-1452 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/25967 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2007/3389 vdb-entryx_refsource_VUPENVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/37008 vdb-entryx_refsource_XF
- https://exchange.xforce.ibmcloud.com/vulnerabilities/37010 vdb-entryx_refsource_XF
- https://www.exploit-db.com/exploits/4498 exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/27091 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://secunia.com/advisories/28342 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.debian.org/security/2008/dsa-1452 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securityfocus.com/bid/25967 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2007/3389 | vdb-entryx_refsource_VUPENVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/37008 | vdb-entryx_refsource_XF | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/37010 | vdb-entryx_refsource_XF | |
| https://www.exploit-db.com/exploits/4498 | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.