CVE-2012-3571

Home/CVE/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 (infinit

CVE

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 (infinit

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.

MEDIUM · CVSS 6.1 EPSS 0.20553

Schedule remediation

EPSS ≥ 0.10 - elevated exploitation probability
EPSS percentile: top 4% of all CVEs by exploitation likelihood
Public exploit or PoC is available

Sigma rules3 YARA rules0

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Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer

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Affected Products & Versions

isc dhcpall versions
canonical ubuntu linuxall versions
debian linuxall versions

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Public Exploits & PoCs

dosISC DHCP 4.x - Multiple Denial of Service Vulnerabilitiesverified

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Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

producthighDHCP Server Error Failed Loading the CallOut DLL

producthighDHCP Server Loaded the CallOut DLL

producthighDHCP Callout DLL Installation

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Scoring & Timeline

6.1

MEDIUM · CVSS v2 (legacy) · cve@mitre.org

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:A/AC:L/Au:N/C:N/I:N/A:C

Published to NVD25 Jul 2012 · 10:42 AM

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Vendor Advisories

suse-csafopenSUSE-SU-2024:10358-1
usnUSN-1519-1
rhsaRHSA-2012:1140Moderate
rhsaRHSA-2012:1141Moderate
rhsaRHSA-2012:1200Moderate

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761Third Party Advisory

http://lists.opensuse.org/opensuse-updates/2012-08/msg00030.htmlMailing ListThird Party Advisory

http://rhn.redhat.com/errata/RHSA-2012-1140.htmlThird Party Advisory

http://rhn.redhat.com/errata/RHSA-2012-1141.htmlThird Party Advisory

http://security.gentoo.org/glsa/glsa-201301-06.xmlThird Party Advisory

http://www.debian.org/security/2012/dsa-2516Third Party Advisory

Show all 13 references

http://www.debian.org/security/2012/dsa-2519Third Party Advisory

http://www.mandriva.com/security/advisories?name=MDVSA-2012:115Third Party Advisory

http://www.mandriva.com/security/advisories?name=MDVSA-2012:116Third Party Advisory

http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlThird Party Advisory

http://www.securityfocus.com/bid/54665Third Party AdvisoryVDB Entry

http://www.ubuntu.com/usn/USN-1519-1Third Party Advisory

https://kb.isc.org/article/AA-00712Vendor Advisory

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