MEDIUM
dhcp: DoS due to error in handling malformed client identifiers
Published Jul 25, 2012
6.1
MEDIUMCVSS 2.0
EPSS 12.98%
Description
ISC DHCP 4.1.2 through 4.2.4 and 4.1-ESV before 4.1-ESV-R6 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed client identifier.
Affected products
No data.
Configuration 1
OR
- 4.1.2
- 4.2.0
- 4.2.0
- 4.2.0
- 4.2.0
- 4.2.0
- 4.2.0
- 4.2.0
- 4.2.1
- 4.2.1
- 4.2.1
- 4.2.2
- 4.2.2
- 4.2.2
- 4.2.3
- 4.2.3
- 4.2.3
- 4.2.4
Configuration 2
OR
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
- 4.1-esv
Configuration 3
OR
- 11.04
- 11.10
- 12.04
Configuration 4
OR
- 6.0
- 7.0
No data.
Red Hat Enterprise Linux 5
dhcp-12:3.0.5-31.el5_8.1
Fixed · RHSA-2012:1140
Red Hat Enterprise Linux 6
dhcp-12:4.1.1-31.P1.el6_3.1
Fixed · RHSA-2012:1141
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | dhcp-12:3.0.5-31.el5_8.1 | Fixed | RHSA-2012:1140 |
| Red Hat Enterprise Linux 6 | dhcp-12:4.1.1-31.P1.el6_3.1 | Fixed | RHSA-2012:1141 |
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.
6.1 MEDIUM NVD
AV:A/AC:L/Au:N/C:N/I:N/A:C
Access Vector Adjacent
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
12.98% 0.12985
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.12985
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 (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 12.98% (0.12985) | 96.21th | v5 (v2026.06.15) |
| Jun 15, 2026 | 12.98% (0.12985) | 95.81th | v5 (v2026.06.15) |
| Jun 7, 2026 | 17.43% (0.17426) | 95.20th | v4 (v2025.03.14) |
| Mar 26, 2026 | 20.55% (0.20553) | 95.52th | v4 (v2025.03.14) |
| Apr 30, 2025 | 22.14% (0.22137) | 95.41th | v4 (v2025.03.14) |
| Mar 30, 2025 | 23.68% (0.23678) | 95.53th | v4 (v2025.03.14) |
| Mar 29, 2025 | 18.17% (0.18166) | 92.07th | v4 (v2025.03.14) |
| Mar 17, 2025 | 23.68% (0.23678) | 95.54th | v4 (v2025.03.14) |
| Dec 17, 2024 | 10.19% (0.10191) | 94.93th | v3 (v2023.03.01) |
| Feb 23, 2024 | 7.59% (0.07589) | 93.93th | v3 (v2023.03.01) |
| Oct 19, 2023 | 8.22% (0.08222) | 93.62th | v3 (v2023.03.01) |
| Aug 19, 2023 | 5.42% (0.05423) | 92.20th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.79% (0.02790) | 89.00th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.57% (0.12567) | 95.52th | v2 (v2022.01.01) |
| Oct 9, 2022 | 12.57% (0.12567) | 95.37th | v2 (v2022.01.01) |
| Jul 8, 2022 | 12.96% (0.12955) | 95.37th | v2 (v2022.01.01) |
| Apr 5, 2022 | 13.39% (0.13394) | 95.34th | v2 (v2022.01.01) |
| Apr 1, 2022 | 14.27% (0.14271) | 95.46th | v2 (v2022.01.01) |
| Feb 4, 2022 | 14.27% (0.14271) | 91.00th | v2 (v2022.01.01) |
Weaknesses (1)
References (17)
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 x_refsource_CONFIRMThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00030.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2012-1140.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2012-1141.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://security.gentoo.org/glsa/glsa-201301-06.xml vendor-advisoryx_refsource_GENTOOThird Party Advisory
- http://www.debian.org/security/2012/dsa-2516 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.debian.org/security/2012/dsa-2519 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:115 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:116 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/bid/54665 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-1519-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2012-3571 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=842420 Issue Tracking
- https://kb.isc.org/article/AA-00712 x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2012-3571
- https://www.cve.org/CVERecord?id=CVE-2012-3571
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jul 25, 2012
Updated Aug 6, 2024
Reserved Jun 14, 2012
Link CVE-2012-3571
CISA Vulnrichment
Updated n/a