Cisco IOS XR 4.3.0/4.3.1 Packet Sequence input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS XR 4.3.0/4.3.1. It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the component Point-to-Point Tunelling Protocol-Application Level Gateway. The manipulation as part of Packet Sequence leads to input validation. This vulnerability is referenced as CVE-2013-5498. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco IOS XR 4.3.0/4.3.1 (Router Operating System). This issue affects an unknown code block of the component Point-to-Point Tunelling Protocol-Application Level Gateway. The manipulation as part of a Packet Sequence 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 PPTP-ALG component in CRS Carrier Grade Services Engine (CGSE) and ASR 9000 Integrated Service Module (ISM) in Cisco IOS XR allows remote attackers to cause a denial of service (module reset) via crafted packet streams, aka Bug ID CSCue91963.

The weakness was published 09/26/2013 with Cisco as Cisco IOS XR Software CGSE and ISM Vulnerability as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The public release has been coordinated with Cisco. The identification of this vulnerability is CVE-2013-5498 since 08/22/2013. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (87462), SecurityFocus (BID 62651†), OSVDB (97777†), Secunia (SA55072†) and Vulnerability Center (SBV-41618†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Cisco Carrier Grade Services Engine (CGSE)
  • Cisco ASR 9000

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
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: 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: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

08/22/2013 🔍
09/25/2013 +34 days 🔍
09/26/2013 +1 days 🔍
09/26/2013 +0 days 🔍
09/26/2013 +0 days 🔍
09/27/2013 +1 days 🔍
09/27/2013 +0 days 🔍
09/30/2013 +3 days 🔍
05/26/2021 +2795 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: Cisco IOS XR Software CGSE and ISM Vulnerability
Organization: Cisco
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-5498 (🔍)
GCVE (CVE): GCVE-0-2013-5498
GCVE (VulDB): GCVE-100-10505
X-Force: 87462 - Cisco IOS PPTP-ALG denial of service
SecurityFocus: 62651 - Cisco IOS XR Software CVE-2013-5498 Denial of Service Vulnerability
Secunia: 55072
OSVDB: 97777 - Cisco IOS XR Point-to-Point Tunneling Protocol-Application Level Gateway (PPTP-ALG) Crafted Packet Sequence Handling Remote DoS
Vulnerability Center: 41618 - Cisco IOS XR Software CGSE and ISM Remote DoS Vulnerability - CVE-2013-5498, Medium

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

Entryinfo

Created: 09/30/2013 18:40
Updated: 05/26/2021 02:50
Changes: 09/30/2013 18:40 (50), 07/09/2015 10:50 (18), 05/26/2021 02:50 (8)
Complete: 🔍
Committer:
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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