MEDIUM
The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote attackers to cause a denial of service (application crash) via a DHCPDISCOVER packet with a 32 byte client-identifier, which causes the packet to be interpreted as a corrupt uid and causes the server to exit with "corrupt lease uid."
Published Aug 9, 2006
5.0
MEDIUMCVSS 2.0
EPSS 4.02%
Description
The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote attackers to cause a denial of service (application crash) via a DHCPDISCOVER packet with a 32 byte client-identifier, which causes the packet to be interpreted as a corrupt uid and causes the server to exit with "corrupt lease uid."
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.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.02% 0.04017
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04017
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.02% (0.04017) | 90.25th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.17% (0.04170) | 89.56th | v5 (v2026.06.15) |
| Sep 2, 2025 | 9.78% (0.09777) | 92.70th | v4 (v2025.03.14) |
| Mar 30, 2025 | 12.12% (0.12120) | 93.19th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.66% (0.09656) | 88.07th | v4 (v2025.03.14) |
| Mar 17, 2025 | 11.71% (0.11709) | 93.13th | v4 (v2025.03.14) |
| Dec 17, 2024 | 86.20% (0.86197) | 98.82th | v3 (v2023.03.01) |
| Jan 2, 2024 | 88.16% (0.88164) | 98.41th | v3 (v2023.03.01) |
| Oct 5, 2023 | 85.60% (0.85601) | 98.16th | v3 (v2023.03.01) |
| Jul 21, 2023 | 83.60% (0.83596) | 97.98th | v3 (v2023.03.01) |
| Jun 13, 2023 | 89.03% (0.89032) | 98.22th | v3 (v2023.03.01) |
| May 6, 2023 | 91.98% (0.91981) | 98.41th | v3 (v2023.03.01) |
| Mar 29, 2023 | 93.19% (0.93191) | 98.50th | v3 (v2023.03.01) |
| Mar 7, 2023 | 93.08% (0.93082) | 98.45th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.29% (0.04292) | 87.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.29% (0.04292) | 86.40th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.29% (0.04292) | 70.15th | v2 (v2022.01.01) |
Weaknesses (1)
References (9)
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=380273 x_refsource_MISC
- http://secunia.com/advisories/21345 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/21363 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/21655 third-party-advisoryx_refsource_SECUNIA
- http://securitytracker.com/id?1016755 vdb-entryx_refsource_SECTRACK
- http://www.debian.org/security/2006/dsa-1143 vendor-advisoryx_refsource_DEBIANPatch
- http://www.openbsd.org/errata.html#dhcpd vendor-advisoryx_refsource_OPENBSD
- http://www.securityfocus.com/bid/19348 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2006/3158 vdb-entryx_refsource_VUPENVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=380273 | x_refsource_MISC | |
| http://secunia.com/advisories/21345 | third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory | |
| http://secunia.com/advisories/21363 | third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory | |
| http://secunia.com/advisories/21655 | third-party-advisoryx_refsource_SECUNIA | |
| http://securitytracker.com/id?1016755 | vdb-entryx_refsource_SECTRACK | |
| http://www.debian.org/security/2006/dsa-1143 | vendor-advisoryx_refsource_DEBIANPatch | |
| http://www.openbsd.org/errata.html#dhcpd | vendor-advisoryx_refsource_OPENBSD | |
| http://www.securityfocus.com/bid/19348 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2006/3158 | vdb-entryx_refsource_VUPENVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner debian
Published Aug 9, 2006
Updated Aug 7, 2024
Reserved Jun 21, 2006
Link CVE-2006-3122
CISA Vulnrichment
Updated n/a