Cisco IOS XR up to 3.7.0 memory allocation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS XR up to 3.7.0. It has been classified as problematic. This vulnerability affects unknown code. This manipulation causes memory allocation. This vulnerability is tracked as CVE-2010-0137. No exploit exists.

Detailsinfo

A vulnerability has been found in Cisco IOS XR up to 3.7.0 (Router Operating System) and classified as critical. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a memory allocation vulnerability. The CWE definition for the vulnerability is CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. As an impact it is known to affect availability. The summary by CVE is:

Unspecified vulnerability in the sshd_child_handler process in the SSH server in Cisco IOS XR 3.4.1 through 3.7.0 allows remote attackers to cause a denial of service (process crash and memory consumption) via a crafted SSH2 packet, aka Bug ID CSCsu10574.

The weakness was disclosed 01/21/2010 with Cisco (Website). The advisory is shared at cisco.com. This vulnerability is known as CVE-2010-0137. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/11/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at SecurityFocus (BID 37878†), SecurityTracker (ID 1023480†) and Vulnerability Center (SBV-24654†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory allocation
CWE: CWE-789 / CWE-400 / CWE-404
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2010 🔍
01/20/2010 +16 days 🔍
01/20/2010 +0 days 🔍
01/21/2010 +1 days 🔍
01/21/2010 +0 days 🔍
01/21/2010 +0 days 🔍
03/18/2015 +1882 days 🔍
04/11/2025 +3677 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Organization: Cisco
Status: Not defined

CVE: CVE-2010-0137 (🔍)
GCVE (CVE): GCVE-0-2010-0137
GCVE (VulDB): GCVE-100-51637
X-Force: 55767
SecurityFocus: 37878 - Cisco IOS XR SSH Protocol Implementation Remote Denial of Service Vulnerability
SecurityTracker: 1023480
Vulnerability Center: 24654 - [cisco-sa-20100120-xr-ssh] Cisco IOS XR SSH Implementation Remote DoS Vulnerability via Crafted SSH, High

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

Entryinfo

Created: 03/18/2015 15:15
Updated: 04/11/2025 11:06
Changes: 03/18/2015 15:15 (47), 02/20/2017 10:09 (9), 08/31/2021 13:44 (4), 11/30/2024 11:09 (15), 04/11/2025 11:06 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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