Common Weakness Enumeration
CWE-77
Allowed-with-ReviewImproper Neutralization of Special Elements used in a Command ('Command Injection')
Abstraction: Class · Status: Draft
The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
5383 vulnerabilities reference this CWE, most recent first.
CVE-2018-0341 (GCVE-0-2018-0341)
Vulnerability from cvelistv5 – Published: 2018-07-16 17:00 – Updated: 2024-11-29 14:55
VLAI
EPSS
VEX
Summary
A vulnerability in the web-based UI of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware before 11.2(1) could allow an authenticated, remote attacker to perform a command injection and execute commands with the privileges of the web server. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by including arbitrary shell commands in a specific user input field. Cisco Bug IDs: CSCvi51426.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/104731 | vdb-entryx_refsource_BID |
| http://www.securitytracker.com/id/1041285 | vdb-entryx_refsource_SECTRACK |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Cisco IP Phone 6800, 7800, and 8800 unknown |
Affected:
Cisco IP Phone 6800, 7800, and 8800 unknown
|
Date Public
2018-07-16 00:00
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CVE-2018-0324 (GCVE-0-2018-0324)
Vulnerability from cvelistv5 – Published: 2018-05-17 03:00 – Updated: 2024-11-29 15:08
VLAI
EPSS
VEX
Summary
A vulnerability in the CLI of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, high-privileged, local attacker to perform a command injection attack. The vulnerability is due to insufficient input validation of command parameters in the CLI parser. An attacker could exploit this vulnerability by invoking a vulnerable CLI command with crafted malicious parameters. An exploit could allow the attacker to execute arbitrary commands with a non-root user account on the underlying Linux operating system of the affected device. Cisco Bug IDs: CSCvi09723.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/104208 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Cisco Enterprise NFV Infrastructure Software |
Affected:
Cisco Enterprise NFV Infrastructure Software
|
Date Public
2018-05-16 00:00
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CVE-2018-0224 (GCVE-0-2018-0224)
Vulnerability from cvelistv5 – Published: 2018-03-08 07:00 – Updated: 2024-12-02 20:56
VLAI
EPSS
VEX
Summary
A vulnerability in the CLI of the Cisco StarOS operating system for Cisco ASR 5000 Series Aggregation Services Routers could allow an authenticated, local attacker to execute arbitrary commands with root privileges on an affected operating system. The vulnerability is due to insufficient validation of user-supplied input by the affected operating system. An attacker could exploit this vulnerability by authenticating to an affected system and injecting malicious arguments into a vulnerable CLI command. A successful exploit could allow the attacker to execute arbitrary commands with root privileges on the affected system. Cisco Bug IDs: CSCvg38807.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | x_refsource_CONFIRM |
| http://www.securitytracker.com/id/1040466 | vdb-entryx_refsource_SECTRACK |
| http://www.securityfocus.com/bid/103344 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Cisco StarOS |
Affected:
Cisco StarOS
|
Date Public
2018-03-08 00:00
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CVE-2018-0217 (GCVE-0-2018-0217)
Vulnerability from cvelistv5 – Published: 2018-03-08 07:00 – Updated: 2024-12-02 20:57
VLAI
EPSS
VEX
Summary
A vulnerability in the CLI of the Cisco StarOS operating system for Cisco ASR 5000 Series Aggregation Services Routers could allow an authenticated, local attacker to perform a command injection attack on an affected system. The vulnerability is due to insufficient validation of commands that are supplied to certain configurations in the CLI of the affected operating system. An attacker could exploit this vulnerability by injecting crafted arguments into a vulnerable CLI command for an affected system. A successful exploit could allow the attacker to insert and execute arbitrary commands in the CLI of the affected system. To exploit this vulnerability, the attacker would need to authenticate to an affected system by using valid administrator credentials. Cisco Bug IDs: CSCvg29441.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/103346 | vdb-entryx_refsource_BID |
| http://www.securitytracker.com/id/1040466 | vdb-entryx_refsource_SECTRACK |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Cisco StarOS |
Affected:
Cisco StarOS
|
Date Public
2018-03-08 00:00
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CVE-2017-20156 (GCVE-0-2017-20156)
Vulnerability from cvelistv5 – Published: 2022-12-31 09:07 – Updated: 2024-08-05 21:45
VLAI
EPSS
VEX
Title
Exciting Printer Argument prepare_page.rb command injection
Summary
A vulnerability was found in Exciting Printer and classified as critical. This issue affects some unknown processing of the file lib/printer/jobs/prepare_page.rb of the component Argument Handler. The manipulation of the argument URL leads to command injection. The patch is named 5f8c715d6e2cc000f621a6833f0a86a673462136. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-217139.
Severity
5.5 (Medium)
5.5 (Medium)
CWE
- CWE-77 - Command Injection
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.217139 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.217139 | signaturepermissions-required |
| https://github.com/exciting-io/printer/issues/56 | issue-tracking |
| https://github.com/exciting-io/printer/commit/5f8… | patch |
Credits
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CVE-2017-15889 (GCVE-0-2017-15889)
Vulnerability from cvelistv5 – Published: 2017-12-04 19:00 – Updated: 2024-09-16 17:34
VLAI
EPSS
VEX
Summary
Command injection vulnerability in smart.cgi in Synology DiskStation Manager (DSM) before 5.2-5967-5 allows remote authenticated users to execute arbitrary commands via disk field.
Severity
No CVSS data available.
CWE
- CWE-77 - Improper Neutralization of Special Elements used in a Command (CWE-77)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.synology.com/en-global/support/securi… | x_refsource_CONFIRM |
| http://packetstormsecurity.com/files/157807/Synol… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synology | DiskStation Manager (DSM) |
Affected:
before 5.2-5967-5
|
Date Public
2017-11-08 00:00
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CVE-2017-12352 (GCVE-0-2017-12352)
Vulnerability from cvelistv5 – Published: 2017-11-30 09:00 – Updated: 2024-08-05 18:36
VLAI
EPSS
VEX
Summary
A vulnerability in certain system script files that are installed at boot time on Cisco Application Policy Infrastructure Controllers could allow an authenticated, local attacker to gain elevated privileges and execute arbitrary commands with root privileges on an affected host operating system. The vulnerability is due to insufficient validation of user-controlled input that is supplied to certain script files of an affected system. An attacker could exploit this vulnerability by submitting crafted input to a script file on an affected system. A successful exploit could allow the attacker to gain elevated privileges and execute arbitrary commands with root privileges on the affected system. To exploit this vulnerability, the attacker would need to authenticate to the affected system by using valid administrator credentials. Cisco Bug IDs: CSCvf57274.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/101993 | vdb-entryx_refsource_BID |
| https://tools.cisco.com/security/center/content/C… | x_refsource_CONFIRM |
| http://www.securitytracker.com/id/1039925 | vdb-entryx_refsource_SECTRACK |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Cisco Application Policy Infrastructure Controller |
Affected:
Cisco Application Policy Infrastructure Controller
|
Date Public
2017-11-30 00:00
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CVE-2017-12341 (GCVE-0-2017-12341)
Vulnerability from cvelistv5 – Published: 2017-11-30 09:00 – Updated: 2024-08-05 18:36
VLAI
EPSS
VEX
Summary
A vulnerability in the CLI of Cisco NX-OS System Software could allow an authenticated, local attacker to perform a command injection attack. An attacker would need valid administrator credentials to perform this exploit. The vulnerability is due to insufficient input validation during the installation of a software patch. An attacker could exploit this vulnerability by installing a crafted patch image with the vulnerable operation occurring prior to patch activation. An exploit could allow the attacker to execute arbitrary commands on an affected system as root. This vulnerability affects the following products running Cisco NX-OS System Software: Multilayer Director Switches, Nexus 2000 Series Fabric Extenders, Nexus 5000 Series Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Unified Computing System Manager. Cisco Bug IDs: CSCvf23735, CSCvg04072.
Severity
No CVSS data available.
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | x_refsource_CONFIRM |
| http://www.securitytracker.com/id/1039939 | vdb-entryx_refsource_SECTRACK |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Cisco NX-OS |
Affected:
Cisco NX-OS
|
Date Public
2017-11-30 00:00
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CVE-2017-12339 (GCVE-0-2017-12339)
Vulnerability from cvelistv5 – Published: 2017-11-30 09:00 – Updated: 2024-08-05 18:36
VLAI
EPSS
VEX
Summary
A vulnerability in the CLI of Cisco NX-OS System Software could allow an authenticated, local attacker to perform a command injection attack. The vulnerability is due to insufficient input validation of command arguments to the CLI parser. An attacker could exploit this vulnerability by injecting crafted command arguments into a vulnerable CLI command. An exploit could allow the attacker to execute arbitrary commands at the user's privilege level. On products that support multiple virtual device contexts (VDCs), this vulnerability could allow the attacker to execute commands at the user's privilege level outside the user's environment. This vulnerability affects the following products running Cisco NX-OS System Software: Multilayer Director Switches, Nexus 2000 Series Fabric Extenders, Nexus 3000 Series Switches, Nexus 5000 Series Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode, Nexus 9000 Series Switches in standalone NX-OS mode, and Nexus 9500 R-Series Line Cards and Fabric Modules. Cisco Bug IDs: CSCve99925, CSCvf15164, CSCvf15167, CSCvf15170, CSCvf15173.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/102198 | vdb-entryx_refsource_BID |
| http://www.securitytracker.com/id/1039938 | vdb-entryx_refsource_SECTRACK |
| https://tools.cisco.com/security/center/content/C… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Cisco NX-OS |
Affected:
Cisco NX-OS
|
Date Public
2017-11-30 00:00
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CVE-2017-12335 (GCVE-0-2017-12335)
Vulnerability from cvelistv5 – Published: 2017-11-30 09:00 – Updated: 2024-08-05 18:36
VLAI
EPSS
VEX
Summary
A vulnerability in the CLI of Cisco NX-OS System Software could allow an authenticated, local attacker to perform a command injection attack. The vulnerability is due to insufficient input validation of command arguments. An attacker could exploit this vulnerability by injecting crafted command arguments into a vulnerable CLI command and gain unauthorized access to the underlying operating system of the device. An exploit could allow the attacker to execute arbitrary commands at the user's privilege level. On products that support multiple virtual device contexts (VDCs), this vulnerability could allow an attacker to execute commands at the user's privilege level outside the user's environment. This vulnerability affects the following products running Cisco NX-OS System Software: Multilayer Director Switches, Nexus 2000 Series Fabric Extenders, Nexus 3000 Series Switches, Nexus 5000 Series Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Nexus 9000 Series Switches in standalone NX-OS mode, Nexus 9500 R-Series Line Cards and Fabric Modules, Unified Computing System Manager. Cisco Bug IDs: CSCvf14923, CSCvf14926, CSCvg04095.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | x_refsource_CONFIRM |
| http://www.securitytracker.com/id/1039935 | vdb-entryx_refsource_SECTRACK |
| http://www.securityfocus.com/bid/102165 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Cisco NX-OS |
Affected:
Cisco NX-OS
|
Date Public
2017-11-30 00:00
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Mitigation
Architecture and Design
If at all possible, use library calls rather than external processes to recreate the desired functionality.
Mitigation
Implementation
If possible, ensure that all external commands called from the program are statically created.
Mitigation MIT-5
Implementation
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
Mitigation
Operation
Run time: Run time policy enforcement may be used in an allowlist fashion to prevent use of any non-sanctioned commands.
Mitigation
System Configuration
Assign permissions that prevent the user from accessing/opening privileged files.
CAPEC-136: LDAP Injection
An attacker manipulates or crafts an LDAP query for the purpose of undermining the security of the target. Some applications use user input to create LDAP queries that are processed by an LDAP server. For example, a user might provide their username during authentication and the username might be inserted in an LDAP query during the authentication process. An attacker could use this input to inject additional commands into an LDAP query that could disclose sensitive information. For example, entering a * in the aforementioned query might return information about all users on the system. This attack is very similar to an SQL injection attack in that it manipulates a query to gather additional information or coerce a particular return value.
CAPEC-15: Command Delimiters
An attack of this type exploits a programs' vulnerabilities that allows an attacker's commands to be concatenated onto a legitimate command with the intent of targeting other resources such as the file system or database. The system that uses a filter or denylist input validation, as opposed to allowlist validation is vulnerable to an attacker who predicts delimiters (or combinations of delimiters) not present in the filter or denylist. As with other injection attacks, the attacker uses the command delimiter payload as an entry point to tunnel through the application and activate additional attacks through SQL queries, shell commands, network scanning, and so on.
CAPEC-183: IMAP/SMTP Command Injection
An adversary exploits weaknesses in input validation on web-mail servers to execute commands on the IMAP/SMTP server. Web-mail servers often sit between the Internet and the IMAP or SMTP mail server. User requests are received by the web-mail servers which then query the back-end mail server for the requested information and return this response to the user. In an IMAP/SMTP command injection attack, mail-server commands are embedded in parts of the request sent to the web-mail server. If the web-mail server fails to adequately sanitize these requests, these commands are then sent to the back-end mail server when it is queried by the web-mail server, where the commands are then executed. This attack can be especially dangerous since administrators may assume that the back-end server is protected against direct Internet access and therefore may not secure it adequately against the execution of malicious commands.
CAPEC-248: Command Injection
An adversary looking to execute a command of their choosing, injects new items into an existing command thus modifying interpretation away from what was intended. Commands in this context are often standalone strings that are interpreted by a downstream component and cause specific responses. This type of attack is possible when untrusted values are used to build these command strings. Weaknesses in input validation or command construction can enable the attack and lead to successful exploitation.
CAPEC-40: Manipulating Writeable Terminal Devices
This attack exploits terminal devices that allow themselves to be written to by other users. The attacker sends command strings to the target terminal device hoping that the target user will hit enter and thereby execute the malicious command with their privileges. The attacker can send the results (such as copying /etc/passwd) to a known directory and collect once the attack has succeeded.
CAPEC-43: Exploiting Multiple Input Interpretation Layers
An attacker supplies the target software with input data that contains sequences of special characters designed to bypass input validation logic. This exploit relies on the target making multiples passes over the input data and processing a "layer" of special characters with each pass. In this manner, the attacker can disguise input that would otherwise be rejected as invalid by concealing it with layers of special/escape characters that are stripped off by subsequent processing steps. The goal is to first discover cases where the input validation layer executes before one or more parsing layers. That is, user input may go through the following logic in an application: <parser1> --> <input validator> --> <parser2>. In such cases, the attacker will need to provide input that will pass through the input validator, but after passing through parser2, will be converted into something that the input validator was supposed to stop.
CAPEC-75: Manipulating Writeable Configuration Files
Generally these are manually edited files that are not in the preview of the system administrators, any ability on the attackers' behalf to modify these files, for example in a CVS repository, gives unauthorized access directly to the application, the same as authorized users.
CAPEC-76: Manipulating Web Input to File System Calls
An attacker manipulates inputs to the target software which the target software passes to file system calls in the OS. The goal is to gain access to, and perhaps modify, areas of the file system that the target software did not intend to be accessible.