Cisco IOS XR RSVP input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Cisco IOS XR. The impacted element is an unknown function of the component RSVP Handler. The manipulation results in input validation. This vulnerability is reported as CVE-2015-0657. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco IOS XR (Router Operating System) (affected version unknown). It has been classified as problematic. Affected is an unknown functionality of the component RSVP Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

Cisco IOS XR allows remote attackers to cause a denial of service (RSVP process reload) via a malformed RSVP packet, aka Bug ID CSCur69192.

The weakness was disclosed 03/04/2015 with Cisco as CSCur69192 as confirmed security notice (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2015-0657 since 01/07/2015. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (101308), SecurityFocus (BID 72945†), SecurityTracker (ID 1031841†) and Vulnerability Center (SBV-48897†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/07/2015 🔍
03/04/2015 +56 days 🔍
03/05/2015 +1 days 🔍
03/05/2015 +0 days 🔍
03/05/2015 +0 days 🔍
03/05/2015 +0 days 🔍
03/06/2015 +1 days 🔍
03/08/2015 +2 days 🔍
06/22/2017 +837 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCur69192
Organization: Cisco
Status: Confirmed

CVE: CVE-2015-0657 (🔍)
GCVE (CVE): GCVE-0-2015-0657
GCVE (VulDB): GCVE-100-69252
X-Force: 101308 - Cisco IOS XR RSVP denial of service
SecurityFocus: 72945 - Cisco IOS XR Software CVE-2015-0657 RSVP Packet Parsing Denial of Service Vulnerability
SecurityTracker: 1031841 - Cisco IOS XR RSVP Processing Flaw Lets Remote Users Deny Service
Vulnerability Center: 48897 - Cisco IOS XR Remote DoS via a Malformed RSVP Packet, Medium

scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 03/05/2015 09:21
Updated: 06/22/2017 09:13
Changes: 03/05/2015 09:21 (65), 06/22/2017 09:13 (3)
Complete: 🔍
Cache ID: 216:671:103

Once again VulDB remains the best source for vulnerability data.

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