cisco-sa-20180926-ir800-memwrite
Vulnerability from csaf_cisco
Published
2018-09-26 16:00
Modified
2018-09-26 16:00
Summary
Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers Arbitrary Memory Write Vulnerabilities
Notes
Summary
Multiple vulnerabilities in the embedded test subsystem of Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers could allow an authenticated, local attacker to write arbitrary values to arbitrary locations in the memory space of an affected device.
The vulnerabilities are due to the presence of certain test commands that were intended to be available only in internal development builds of the affected software. An attacker could exploit these vulnerabilities by using these commands on an affected device. A successful exploit could allow the attacker to write arbitrary values to arbitrary locations in the memory space of the affected device.
There are no workarounds that address these vulnerabilities.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ir800-memwrite ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ir800-memwrite"]
Vulnerable Products
These vulnerabilities affect the following Cisco devices if they are running a vulnerable release of Cisco IOS Software:
807 Industrial Integrated Services Router
809 Industrial Integrated Services Router
829 Industrial Integrated Services Router
For information about which Cisco IOS Software releases are vulnerable, see the Fixed Software ["#fs"] section of this advisory.
Determining the Cisco IOS Software Release
To determine which Cisco IOS Software release is running on a device, administrators can log in to the device, use the show version command in the CLI, and then refer to the system banner that appears. If the device is running Cisco IOS Software, the system banner displays text similar to Cisco Internetwork Operating System Software or Cisco IOS Software. The banner also displays the installed image name in parentheses, followed by the Cisco IOS Software release number and release name. Some Cisco devices do not support the show version command or may provide different output.
The following example shows the output of the command for a device that is running Cisco IOS Software Release 15.5(2)T1 and has an installed image name of C2951-UNIVERSALK9-M:
Router> show version
Cisco IOS Software, C2951 Software (C2951-UNIVERSALK9-M), Version 15.5(2)T1, RELEASE SOFTWARE (fc1) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2015 by Cisco Systems, Inc. Compiled Mon 22-Jun-15 09:32 by prod_rel_team . . .
For information about the naming and numbering conventions for Cisco IOS Software releases, see the Cisco IOS and NX-OS Software Reference Guide ["https://www.cisco.com/c/en/us/about/security-center/ios-nx-os-reference-guide.html"].
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products ["#vp"] section of this advisory are known to be affected by these vulnerabilities.
Cisco has confirmed that these vulnerabilities do not affect Cisco IOS XE Software, Cisco IOS XR Software, or Cisco NX-OS Software.
Workarounds
There are no workarounds that address these vulnerabilities.
Fixed Software
For detailed information about affected and fixed software releases, consult the Cisco IOS Software Checker.
When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page ["https://www.cisco.com/go/psirt"], to determine exposure and a complete upgrade solution.
In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.
Cisco IOS Software
To help customers determine their exposure to vulnerabilities in Cisco IOS Software, Cisco provides a tool, the Cisco IOS Software Checker ["https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"], that identifies any Cisco Security Advisories that impact a specific Cisco IOS Software release and the earliest release that fixes the vulnerabilities described in each advisory (“First Fixed”). If applicable, the tool also returns the earliest release that fixes all the vulnerabilities described in all the advisories identified (“Combined First Fixed”).
Customers can use this tool to perform the following tasks:
Initiate a search by choosing one or more releases from a drop-down list or uploading a file from a local system for the tool to parse
Enter the output of the show version command for the tool to parse
Create a custom search by including all previously published Cisco Security Advisories, a specific advisory, or all advisories in the most recent bundled publication
To determine whether a release is affected by any published Cisco Security Advisory, use the Cisco IOS Software Checker ["https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"] on Cisco.com or enter a Cisco IOS Software release—for example, 15.1(4)M2—in the following field:
By default, the Cisco IOS Software Checker includes results only for vulnerabilities that have a Critical or High Security Impact Rating (SIR). To include results for Medium SIR vulnerabilities, use the Cisco IOS Software Checker on Cisco.com and check the Medium check box in the Impact Rating drop-down list.
Vulnerability Policy
To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
Exploitation and Public Announcements
The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.
Source
These vulnerabilities were found during internal security testing.
Legal Disclaimer
THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.
A standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.
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"text": "Multiple vulnerabilities in the embedded test subsystem of Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers could allow an authenticated, local attacker to write arbitrary values to arbitrary locations in the memory space of an affected device.\r\n\r\nThe vulnerabilities are due to the presence of certain test commands that were intended to be available only in internal development builds of the affected software. An attacker could exploit these vulnerabilities by using these commands on an affected device. A successful exploit could allow the attacker to write arbitrary values to arbitrary locations in the memory space of the affected device.\r\n\r\nThere are no workarounds that address these vulnerabilities.\r\n\r\nThis advisory is available at the following link:\r\nhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ir800-memwrite [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ir800-memwrite\"]",
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"text": "These vulnerabilities affect the following Cisco devices if they are running a vulnerable release of Cisco IOS Software:\r\n\r\n807 Industrial Integrated Services Router\r\n809 Industrial Integrated Services Router\r\n829 Industrial Integrated Services Router\r\n\r\nFor information about which Cisco IOS Software releases are vulnerable, see the Fixed Software [\"#fs\"] section of this advisory.\r\n Determining the Cisco IOS Software Release\r\nTo determine which Cisco IOS Software release is running on a device, administrators can log in to the device, use the show version command in the CLI, and then refer to the system banner that appears. If the device is running Cisco IOS Software, the system banner displays text similar to Cisco Internetwork Operating System Software or Cisco IOS Software. The banner also displays the installed image name in parentheses, followed by the Cisco IOS Software release number and release name. Some Cisco devices do not support the show version command or may provide different output.\r\n\r\nThe following example shows the output of the command for a device that is running Cisco IOS Software Release 15.5(2)T1 and has an installed image name of C2951-UNIVERSALK9-M:\r\n\r\n\r\nRouter\u003e show version\r\n Cisco IOS Software, C2951 Software (C2951-UNIVERSALK9-M), Version 15.5(2)T1, RELEASE SOFTWARE (fc1) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2015 by Cisco Systems, Inc. Compiled Mon 22-Jun-15 09:32 by prod_rel_team . . .\r\n\r\nFor information about the naming and numbering conventions for Cisco IOS Software releases, see the Cisco IOS and NX-OS Software Reference Guide [\"https://www.cisco.com/c/en/us/about/security-center/ios-nx-os-reference-guide.html\"].",
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"text": "Only products listed in the Vulnerable Products [\"#vp\"] section of this advisory are known to be affected by these vulnerabilities.\r\n\r\nCisco has confirmed that these vulnerabilities do not affect Cisco IOS XE Software, Cisco IOS XR Software, or Cisco NX-OS Software.",
"title": "Products Confirmed Not Vulnerable"
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"title": "Fixed Software"
},
{
"category": "general",
"text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.",
"title": "Vulnerability Policy"
},
{
"category": "general",
"text": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.",
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{
"category": "general",
"text": "These vulnerabilities were found during internal security testing.",
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"text": "THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.\r\n\r\nA standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.",
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"contact_details": "Emergency Support:\r\n+1 877 228 7302 (toll-free within North America)\r\n+1 408 525 6532 (International direct-dial)\r\nNon-emergency Support:\r\nEmail: psirt@cisco.com\r\nSupport requests that are received via e-mail are typically acknowledged within 48 hours.",
"issuing_authority": "Cisco product security incident response is the responsibility of the Cisco Product Security Incident Response Team (PSIRT). The Cisco PSIRT is a dedicated, global team that manages the receipt, investigation, and public reporting of security vulnerability information that is related to Cisco products and networks. The on-call Cisco PSIRT works 24x7 with Cisco customers, independent security researchers, consultants, industry organizations, and other vendors to identify possible security issues with Cisco products and networks.\r\nMore information can be found in Cisco Security Vulnerability Policy available at https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html",
"name": "Cisco",
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"title": "Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers Arbitrary Memory Write Vulnerabilities",
"tracking": {
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{
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{
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},
{
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{
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{
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{
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{
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{
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{
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},
{
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{
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},
{
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},
{
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}
},
{
"category": "service_pack",
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"product": {
"name": "15.6(2)T3",
"product_id": "CSAFPID-227914"
}
}
],
"category": "product_version",
"name": "15.6T"
},
{
"branches": [
{
"category": "service_pack",
"name": "15.3(3)JD15",
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}
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{
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{
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},
{
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},
{
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}
},
{
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"product": {
"name": "15.6(3)M1a",
"product_id": "CSAFPID-224327"
}
},
{
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"name": "15.6(3)M1b",
"product": {
"name": "15.6(3)M1b",
"product_id": "CSAFPID-224443"
}
}
],
"category": "product_version",
"name": "15.6M"
},
{
"branches": [
{
"category": "service_pack",
"name": "15.3(3)JDA15",
"product": {
"name": "15.3(3)JDA15",
"product_id": "CSAFPID-238668"
}
}
],
"category": "product_version",
"name": "15.3JDA"
},
{
"branches": [
{
"category": "service_pack",
"name": "12.2(6)I1",
"product": {
"name": "12.2(6)I1",
"product_id": "CSAFPID-243144"
}
}
],
"category": "product_version",
"name": "12.2I"
}
],
"category": "product_family",
"name": "IOS"
}
],
"category": "vendor",
"name": "Cisco"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2018-15375",
"ids": [
{
"system_name": "Cisco Bug ID",
"text": "CSCuy10473"
},
{
"system_name": "Cisco Bug ID",
"text": "CSCvc82464"
}
],
"notes": [
{
"category": "other",
"text": "Complete.",
"title": "Affected Product Comprehensiveness"
}
],
"product_status": {
"known_affected": [
"CSAFPID-200509",
"CSAFPID-205516",
"CSAFPID-209115",
"CSAFPID-209360",
"CSAFPID-209936",
"CSAFPID-211825",
"CSAFPID-212118",
"CSAFPID-212445",
"CSAFPID-213633",
"CSAFPID-213789",
"CSAFPID-214074",
"CSAFPID-214938",
"CSAFPID-216215",
"CSAFPID-216239",
"CSAFPID-216962",
"CSAFPID-218996",
"CSAFPID-220396",
"CSAFPID-220522",
"CSAFPID-221093",
"CSAFPID-222988",
"CSAFPID-222989",
"CSAFPID-223189",
"CSAFPID-224327",
"CSAFPID-224443",
"CSAFPID-225155",
"CSAFPID-227613",
"CSAFPID-227914",
"CSAFPID-228957",
"CSAFPID-230609",
"CSAFPID-238668",
"CSAFPID-238669",
"CSAFPID-243144"
]
},
"release_date": "2018-09-26T16:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"details": "Cisco has released software updates that address this vulnerability.",
"product_ids": [
"CSAFPID-200509",
"CSAFPID-205516",
"CSAFPID-209115",
"CSAFPID-209360",
"CSAFPID-209936",
"CSAFPID-211825",
"CSAFPID-212118",
"CSAFPID-212445",
"CSAFPID-213633",
"CSAFPID-213789",
"CSAFPID-214074",
"CSAFPID-214938",
"CSAFPID-216215",
"CSAFPID-216239",
"CSAFPID-216962",
"CSAFPID-218996",
"CSAFPID-220396",
"CSAFPID-220522",
"CSAFPID-221093",
"CSAFPID-222988",
"CSAFPID-222989",
"CSAFPID-223189",
"CSAFPID-224327",
"CSAFPID-224443",
"CSAFPID-225155",
"CSAFPID-227613",
"CSAFPID-227914",
"CSAFPID-228957",
"CSAFPID-230609",
"CSAFPID-238668",
"CSAFPID-238669",
"CSAFPID-243144"
],
"url": "https://software.cisco.com"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
"CSAFPID-200509",
"CSAFPID-205516",
"CSAFPID-209115",
"CSAFPID-209360",
"CSAFPID-209936",
"CSAFPID-211825",
"CSAFPID-212118",
"CSAFPID-212445",
"CSAFPID-213633",
"CSAFPID-213789",
"CSAFPID-214074",
"CSAFPID-214938",
"CSAFPID-216215",
"CSAFPID-216239",
"CSAFPID-216962",
"CSAFPID-218996",
"CSAFPID-220396",
"CSAFPID-220522",
"CSAFPID-221093",
"CSAFPID-222988",
"CSAFPID-222989",
"CSAFPID-223189",
"CSAFPID-224327",
"CSAFPID-224443",
"CSAFPID-225155",
"CSAFPID-227613",
"CSAFPID-227914",
"CSAFPID-228957",
"CSAFPID-230609",
"CSAFPID-238668",
"CSAFPID-238669",
"CSAFPID-243144"
]
}
],
"title": "Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers Arbitrary Memory Write Vulnerabilities"
},
{
"cve": "CVE-2018-15376",
"ids": [
{
"system_name": "Cisco Bug ID",
"text": "CSCuy10473"
},
{
"system_name": "Cisco Bug ID",
"text": "CSCvc82464"
}
],
"notes": [
{
"category": "other",
"text": "Complete.",
"title": "Affected Product Comprehensiveness"
}
],
"product_status": {
"known_affected": [
"CSAFPID-200509",
"CSAFPID-205516",
"CSAFPID-209115",
"CSAFPID-209360",
"CSAFPID-209936",
"CSAFPID-211825",
"CSAFPID-212118",
"CSAFPID-212445",
"CSAFPID-213633",
"CSAFPID-213789",
"CSAFPID-214074",
"CSAFPID-214938",
"CSAFPID-216215",
"CSAFPID-216239",
"CSAFPID-216962",
"CSAFPID-218996",
"CSAFPID-220396",
"CSAFPID-220522",
"CSAFPID-221093",
"CSAFPID-222988",
"CSAFPID-222989",
"CSAFPID-223189",
"CSAFPID-224327",
"CSAFPID-224443",
"CSAFPID-225155",
"CSAFPID-227613",
"CSAFPID-227914",
"CSAFPID-228957",
"CSAFPID-230609",
"CSAFPID-238668",
"CSAFPID-238669",
"CSAFPID-243144"
]
},
"release_date": "2018-09-26T16:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"details": "Cisco has released software updates that address this vulnerability.",
"product_ids": [
"CSAFPID-200509",
"CSAFPID-205516",
"CSAFPID-209115",
"CSAFPID-209360",
"CSAFPID-209936",
"CSAFPID-211825",
"CSAFPID-212118",
"CSAFPID-212445",
"CSAFPID-213633",
"CSAFPID-213789",
"CSAFPID-214074",
"CSAFPID-214938",
"CSAFPID-216215",
"CSAFPID-216239",
"CSAFPID-216962",
"CSAFPID-218996",
"CSAFPID-220396",
"CSAFPID-220522",
"CSAFPID-221093",
"CSAFPID-222988",
"CSAFPID-222989",
"CSAFPID-223189",
"CSAFPID-224327",
"CSAFPID-224443",
"CSAFPID-225155",
"CSAFPID-227613",
"CSAFPID-227914",
"CSAFPID-228957",
"CSAFPID-230609",
"CSAFPID-238668",
"CSAFPID-238669",
"CSAFPID-243144"
],
"url": "https://software.cisco.com"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
"CSAFPID-200509",
"CSAFPID-205516",
"CSAFPID-209115",
"CSAFPID-209360",
"CSAFPID-209936",
"CSAFPID-211825",
"CSAFPID-212118",
"CSAFPID-212445",
"CSAFPID-213633",
"CSAFPID-213789",
"CSAFPID-214074",
"CSAFPID-214938",
"CSAFPID-216215",
"CSAFPID-216239",
"CSAFPID-216962",
"CSAFPID-218996",
"CSAFPID-220396",
"CSAFPID-220522",
"CSAFPID-221093",
"CSAFPID-222988",
"CSAFPID-222989",
"CSAFPID-223189",
"CSAFPID-224327",
"CSAFPID-224443",
"CSAFPID-225155",
"CSAFPID-227613",
"CSAFPID-227914",
"CSAFPID-228957",
"CSAFPID-230609",
"CSAFPID-238668",
"CSAFPID-238669",
"CSAFPID-243144"
]
}
],
"title": "Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers Arbitrary Memory Write Vulnerabilities"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.