CVE-2011-1770
Summary
| CVE | CVE-2011-1770 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2011-06-24 20:55:03 UTC |
| Updated | 2026-04-29 01:13:23 UTC |
| Description | Integer underflow in the dccp_parse_options function (net/dccp/options.c) in the Linux kernel before 2.6.33.14 allows remote attackers to cause a denial of service via a Datagram Congestion Control Protocol (DCCP) packet with an invalid feature options length, which triggers a buffer over-read. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Problem Types: CWE-191 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
CompleteAV:N/AC:L/Au:N/C:N/I:N/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Fedoraproject | Fedora | 14 | All | All | All |
| Operating System | Fedoraproject | Fedora | 15 | All | All | All |
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| [SECURITY] Fedora 15 Update: kernel-2.6.38.7-30.fc15 | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | Third Party Advisory |
| www.kernel.org/pub/linux/kernel/v2.6/longterm/v2.6.33/ChangeLog-2.6.33.14 | af854a3a-2127-422b-91ae-364da2661108 | www.kernel.org | Release Notes, Vendor Advisory |
| '[PATCH] dccp: handle invalid feature options length' - MARC | af854a3a-2127-422b-91ae-364da2661108 | marc.info | Patch, Third Party Advisory |
| [SECURITY] Fedora 14 Update: kernel-2.6.35.13-92.fc14 | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | Patch, Third Party Advisory |
| Bug 703011 – CVE-2011-1770 kernel: dccp: handle invalid feature options length | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | Issue Tracking, Patch, Third Party Advisory |
| Malformed Request | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| linux kernel 2.6.33.13 dccp handle invalid feature options length - CXSecurity.com | af854a3a-2127-422b-91ae-364da2661108 | securityreason.com | Third Party Advisory |
| 'Re: [PATCH] dccp: handle invalid feature options length' - MARC | af854a3a-2127-422b-91ae-364da2661108 | marc.info | Patch, Third Party Advisory |
| Linux Kernel DCCP Integer Overflow Lets Remote Users Deny Service - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Third Party Advisory, VDB Entry |
| Fedora update for kernel - Secunia.com | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | Third Party Advisory, Vendor Advisory |
| Red Hat Customer Portal | MITRE | access.redhat.com | |
| Red Hat Customer Portal | MITRE | access.redhat.com | |
| CVE-2011-1770 - Red Hat Customer Portal | MITRE | access.redhat.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.