ID
VAR-202202-0320
CVE
CVE-2022-20708
TITLE
plural Cisco Small Business RV Series router out-of-bounds write vulnerability
Trust: 0.8
DESCRIPTION
Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory. plural Cisco Small Business RV Series routers contain an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Cisco RV340 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.The specific flaw exists within the handling of the update-clients method. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root
Trust: 2.34
AFFECTED PRODUCTS
| vendor: | cisco | model: | rv340w | scope: | lte | version: | 1.0.03.24 | Trust: 1.0 |
| vendor: | cisco | model: | rv345p | scope: | lte | version: | 1.0.03.24 | Trust: 1.0 |
| vendor: | cisco | model: | rv340 | scope: | lte | version: | 1.0.03.24 | Trust: 1.0 |
| vendor: | cisco | model: | rv345 | scope: | lte | version: | 1.0.03.24 | Trust: 1.0 |
| vendor: | シスコシステムズ | model: | rv345p dual wan gigabit poe vpn ルータ | scope: | - | version: | - | Trust: 0.8 |
| vendor: | シスコシステムズ | model: | rv345 dual wan gigabit vpn ルータ | scope: | - | version: | - | Trust: 0.8 |
| vendor: | シスコシステムズ | model: | rv340w dual wan gigabit wireless-ac vpn ルータ | scope: | - | version: | - | Trust: 0.8 |
| vendor: | シスコシステムズ | model: | rv340 dual wan gigabit vpn ルータ | scope: | - | version: | - | Trust: 0.8 |
| vendor: | cisco | model: | rv340 | scope: | - | version: | - | Trust: 0.7 |
CVSS
SEVERITY | CVSSV2 | CVSSV3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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PROBLEMTYPE DATA
| problemtype: | CWE-121 | Trust: 1.0 |
| problemtype: | CWE-78 | Trust: 1.0 |
| problemtype: | Out-of-bounds writing (CWE-787) [NVD evaluation ] | Trust: 0.8 |
THREAT TYPE
remote
Trust: 0.6
TYPE
operating system commend injection
Trust: 0.6
PATCH
| title: | cisco-sa-smb-mult-vuln-KA9PK6D | url: | https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D | Trust: 0.8 |
| title: | Cisco has issued an update to correct this vulnerability. | url: | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D | Trust: 0.7 |
| title: | Cisco Small Business Buffer error vulnerability fix | url: | http://123.124.177.30/web/xxk/bdxqById.tag?id=182679 | Trust: 0.6 |
| title: | Cisco: Cisco Small Business RV Series Routers Vulnerabilities | url: | https://vulmon.com/vendoradvisory?qidtp=cisco_security_advisories_and_alerts_ciscoproducts&qid=cisco-sa-smb-mult-vuln-KA9PK6D | Trust: 0.1 |
| title: | Known Exploited Vulnerabilities Detector | url: | https://github.com/Ostorlab/KEV | Trust: 0.1 |
| title: | CVE-2022-XXXX | url: | https://github.com/AlphabugX/CVE-2022-23305 | Trust: 0.1 |
| title: | CVE-2022-XXXX | url: | https://github.com/AlphabugX/CVE-2022-RCE | Trust: 0.1 |
| title: | Threatpost | url: | https://threatpost.com/critical-cisco-bugs-vpn-routers-cyberattacks/178199/ | Trust: 0.1 |
EXTERNAL IDS
| db: | NVD | id: | CVE-2022-20708 | Trust: 4.0 |
| db: | ZDI | id: | ZDI-22-417 | Trust: 2.4 |
| db: | JVNDB | id: | JVNDB-2022-005341 | Trust: 0.8 |
| db: | ZDI_CAN | id: | ZDI-CAN-15893 | Trust: 0.7 |
| db: | CS-HELP | id: | SB2022020301 | Trust: 0.6 |
| db: | CNNVD | id: | CNNVD-202202-168 | Trust: 0.6 |
| db: | VULMON | id: | CVE-2022-20708 | Trust: 0.1 |
REFERENCES
| url: | https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-smb-mult-vuln-ka9pk6d | Trust: 2.4 |
| url: | https://www.zerodayinitiative.com/advisories/zdi-22-417/ | Trust: 1.8 |
| url: | https://nvd.nist.gov/vuln/detail/cve-2022-20708 | Trust: 1.4 |
| url: | https://www.cybersecurity-help.cz/vdb/sb2022020301 | Trust: 0.6 |
| url: | https://cwe.mitre.org/data/definitions/78.html | Trust: 0.1 |
| url: | https://nvd.nist.gov | Trust: 0.1 |
| url: | https://threatpost.com/critical-cisco-bugs-vpn-routers-cyberattacks/178199/ | Trust: 0.1 |
CREDITS
Q. Kaiser from IoT Inspector Research Lab
Trust: 1.3
SOURCES
| db: | ZDI | id: | ZDI-22-417 |
| db: | VULMON | id: | CVE-2022-20708 |
| db: | JVNDB | id: | JVNDB-2022-005341 |
| db: | CNNVD | id: | CNNVD-202202-168 |
| db: | NVD | id: | CVE-2022-20708 |
LAST UPDATE DATE
2024-08-14T13:53:35.686000+00:00
SOURCES UPDATE DATE
| db: | ZDI | id: | ZDI-22-417 | date: | 2022-02-22T00:00:00 |
| db: | VULMON | id: | CVE-2022-20708 | date: | 2023-11-07T00:00:00 |
| db: | JVNDB | id: | JVNDB-2022-005341 | date: | 2023-05-29T06:45:00 |
| db: | CNNVD | id: | CNNVD-202202-168 | date: | 2023-06-28T00:00:00 |
| db: | NVD | id: | CVE-2022-20708 | date: | 2024-07-24T13:34:53.930 |
SOURCES RELEASE DATE
| db: | ZDI | id: | ZDI-22-417 | date: | 2022-02-22T00:00:00 |
| db: | VULMON | id: | CVE-2022-20708 | date: | 2022-02-10T00:00:00 |
| db: | JVNDB | id: | JVNDB-2022-005341 | date: | 2023-05-29T00:00:00 |
| db: | CNNVD | id: | CNNVD-202202-168 | date: | 2022-02-03T00:00:00 |
| db: | NVD | id: | CVE-2022-20708 | date: | 2022-02-10T18:15:09.467 |