CVE-2012-4617

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Summary

CVECVE-2012-4617
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-09-27 00:55:00 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe BGP implementation in Cisco IOS 15.2, IOS XE 3.5.xS before 3.5.2S, and IOS XR 4.1.0 through 4.2.2 allows remote attackers to cause a denial of service (multiple connection resets) by leveraging a peer relationship and sending a malformed attribute, aka Bug IDs CSCtt35379, CSCty58300, CSCtz63248, and CSCtz62914.

Risk And Classification

Primary CVSS: v2.0 7.1 from [email protected]

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

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Cisco Ios 15.2 All All All
Operating System Cisco Ios Xe 3.5.0s All All All
Operating System Cisco Ios Xe 3.5.1s All All All
Operating System Cisco Ios Xr 4.1 All All All
Operating System Cisco Ios Xr 4.1.1 All All All
Operating System Cisco Ios Xr 4.1.2 All All All
Operating System Cisco Ios Xr 4.2.0 All All All
Operating System Cisco Ios Xr 4.2.1 All All All
Operating System Cisco Ios Xr 4.2.2 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Cisco IOS BGP Attribute Processing Bug Lets Remote Users Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Cisco IOS Malformed Attribute Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Cisco Security Advisory: Cisco IOS Software Malformed Border Gateway Protocol Attribute Vulnerability af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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