CVE-2011-2749
UnknownEPSS 38.77%
Last modified
CVE-2011-2749 is a vulnerability of currently unknown severity. The server in ISC DHCP 3.x and 4.x before 4.2.2, 3.1-ESV before 3.1-ESV-R3, and 4.1-ESV before 4.1-ESV-R3 allows remote attackers to cause a denial of service (daemon exit) via a crafted BOOTP packet.. EPSS estimates a 38.77% chance of exploitation in the next 30 days.
Description
The server in ISC DHCP 3.x and 4.x before 4.2.2, 3.1-ESV before 3.1-ESV-R3, and 4.1-ESV before 4.1-ESV-R3 allows remote attackers to cause a denial of service (daemon exit) via a crafted BOOTP packet.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Isc | Dhcp | 3.0 | — |
| Isc | Dhcp | 3.0.1 | — |
| Isc | Dhcp | 3.0.2 | — |
| Isc | Dhcp | 3.0.3 | B1 |
| Isc | Dhcp | 3.0.4 | — |
| Isc | Dhcp | 3.0.5 | — |
| Isc | Dhcp | 3.0.6 | Rc1 |
| Isc | Dhcp | 3.1 | — |
| Isc | Dhcp | 3.1-esv | — |
| Isc | Dhcp | 3.1.0 | — |
| Isc | Dhcp | 3.1.1 | — |
| Isc | Dhcp | 3.1.2 | — |
| Isc | Dhcp | 3.1.3 | — |
| Isc | Dhcp | 4.0 | — |
| Isc | Dhcp | 4.0-esv | — |
| Isc | Dhcp | 4.0.0 | — |
| Isc | Dhcp | 4.0.1 | — |
| Isc | Dhcp | 4.0.2 | — |
| Isc | Dhcp | 4.0.3 | — |
| Isc | Dhcp | 4.1-esv | — |
| Isc | Dhcp | 4.1.0 | — |
| Isc | Dhcp | 4.1.1 | — |
| Isc | Dhcp | 4.1.2 | — |
| Isc | Dhcp | 4.2.0 | — |
| Isc | Dhcp | 4.2.1 | — |
| Debian | Debian Linux | 5.0 | — |
| Debian | Debian Linux | 6.0 | — |
| Debian | Debian Linux | 7.0 | — |
| Canonical | Ubuntu Linux | 8.04 | — |
| Canonical | Ubuntu Linux | 10.04 | — |
| Canonical | Ubuntu Linux | 10.10 | — |
| Canonical | Ubuntu Linux | 11.04 | — |
References
- https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761Third Party Advisory
- https://lists.opensuse.org/opensuse-updates/2011-09/msg00014.htmlMailing List, Third Party Advisory
- https://secunia.com/advisories/45582Third Party Advisory
- https://secunia.com/advisories/45595Third Party Advisory
- https://secunia.com/advisories/45629Third Party Advisory
- https://secunia.com/advisories/45639Third Party Advisory
- https://secunia.com/advisories/45817Third Party Advisory
- https://secunia.com/advisories/45918Third Party Advisory
- https://secunia.com/advisories/46780Third Party Advisory
- https://security.gentoo.org/glsa/glsa-201301-06.xmlThird Party Advisory
- https://securitytracker.com/id?1025918Third Party Advisory, VDB Entry
- https://www.debian.org/security/2011/dsa-2292Third Party Advisory
- https://www.isc.org/files/release-notes/DHCP%204.2.2_0.htmlVendor Advisory
- https://www.isc.org/software/dhcp/advisories/cve-2011-2748Vendor Advisory
- https://www.mandriva.com/security/advisories?name=MDVSA-2011:128Third Party Advisory
- https://www.redhat.com/support/errata/RHSA-2011-1160.htmlThird Party Advisory
- https://www.securityfocus.com/bid/49120Third Party Advisory, VDB Entry
- https://www.ubuntu.com/usn/USN-1190-1Third Party Advisory
- https://bugzilla.redhat.com/attachment.cgi?id=517665&action=diffIssue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=729382Issue Tracking, Patch, Third Party Advisory
- https://hermes.opensuse.org/messages/11695711Third Party Advisory
- https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761Third Party Advisory
- https://lists.opensuse.org/opensuse-updates/2011-09/msg00014.htmlMailing List, Third Party Advisory
- https://secunia.com/advisories/45582Third Party Advisory
- https://secunia.com/advisories/45595Third Party Advisory
- https://secunia.com/advisories/45629Third Party Advisory
- https://secunia.com/advisories/45639Third Party Advisory
- https://secunia.com/advisories/45817Third Party Advisory
- https://secunia.com/advisories/45918Third Party Advisory
- https://secunia.com/advisories/46780Third Party Advisory
- https://security.gentoo.org/glsa/glsa-201301-06.xmlThird Party Advisory
- https://securitytracker.com/id?1025918Third Party Advisory, VDB Entry
- https://www.debian.org/security/2011/dsa-2292Third Party Advisory
- https://www.isc.org/files/release-notes/DHCP%204.2.2_0.htmlVendor Advisory
- https://www.isc.org/software/dhcp/advisories/cve-2011-2748Vendor Advisory
- https://www.mandriva.com/security/advisories?name=MDVSA-2011:128Third Party Advisory
- https://www.redhat.com/support/errata/RHSA-2011-1160.htmlThird Party Advisory
- https://www.securityfocus.com/bid/49120Third Party Advisory, VDB Entry
- https://www.ubuntu.com/usn/USN-1190-1Third Party Advisory
- https://bugzilla.redhat.com/attachment.cgi?id=517665&action=diffIssue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=729382Issue Tracking, Patch, Third Party Advisory
- https://hermes.opensuse.org/messages/11695711Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2011-2749?
The server in ISC DHCP 3.x and 4.x before 4.2.2, 3.1-ESV before 3.1-ESV-R3, and 4.1-ESV before 4.1-ESV-R3 allows remote attackers to cause a denial of service (daemon exit) via a crafted BOOTP packet.
How severe is CVE-2011-2749?
Severity scoring for CVE-2011-2749 is pending analysis. The EPSS model estimates a 38.77% probability of exploitation in the next 30 days.
How do I fix CVE-2011-2749?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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