Cisco NX-OS BGP input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Cisco NX-OS. This vulnerability affects unknown code of the component BGP Component. The manipulation leads to input validation. This vulnerability is uniquely identified as CVE-2012-4099. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Cisco NX-OS (Router Operating System) (affected version not known) and classified as critical. This issue affects some unknown functionality of the component BGP Component. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service (BGP service reset and resync) via a malformed UPDATE message, aka Bug ID CSCtn13065.

The weakness was disclosed 10/04/2013 as CSCtn13065 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. The public release has been coordinated in cooperation with Cisco. The identification of this vulnerability is CVE-2012-4099 since 07/31/2012. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at X-Force (87674), SecurityFocus (BID 62840†), OSVDB (98130†) and Vulnerability Center (SBV-42230†). The entries VDB-10606, VDB-10605, VDB-10604 and VDB-10603 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/31/2012 🔍
10/04/2013 +429 days 🔍
10/04/2013 +0 days 🔍
10/04/2013 +0 days 🔍
10/08/2013 +4 days 🔍
10/13/2013 +5 days 🔍
11/11/2013 +29 days 🔍
05/26/2021 +2753 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCtn13065
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-4099 (🔍)
GCVE (CVE): GCVE-0-2012-4099
GCVE (VulDB): GCVE-100-10607
X-Force: 87674
SecurityFocus: 62840
OSVDB: 98130
Vulnerability Center: 42230 - Cisco NX-OS BGP Implementation Remote DoS Vulnerability via Malformed Update Message, Medium

See also: 🔍

Entryinfo

Created: 10/08/2013 18:40
Updated: 05/26/2021 10:03
Changes: 10/08/2013 18:40 (44), 05/15/2017 11:10 (17), 05/26/2021 10:03 (4)
Complete: 🔍
Committer:
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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