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.
5391 vulnerabilities reference this CWE, most recent first.
GHSA-59MJ-2QFF-F42P
Vulnerability from github – Published: 2022-05-13 01:37 – Updated: 2022-05-13 01:37A vulnerability in the debug interface of Cisco IP Phone 8800 series could allow an authenticated, local attacker to execute arbitrary commands, aka Debug Shell Command Injection. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by authenticating to the device and submitting additional command input to the affected parameter in the debug shell. Cisco Bug IDs: CSCvf80034.
{
"affected": [],
"aliases": [
"CVE-2017-12305"
],
"database_specific": {
"cwe_ids": [
"CWE-77",
"CWE-78"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2017-11-16T07:29:00Z",
"severity": "HIGH"
},
"details": "A vulnerability in the debug interface of Cisco IP Phone 8800 series could allow an authenticated, local attacker to execute arbitrary commands, aka Debug Shell Command Injection. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by authenticating to the device and submitting additional command input to the affected parameter in the debug shell. Cisco Bug IDs: CSCvf80034.",
"id": "GHSA-59mj-2qff-f42p",
"modified": "2022-05-13T01:37:54Z",
"published": "2022-05-13T01:37:54Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-12305"
},
{
"type": "WEB",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-ipp"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/101869"
},
{
"type": "WEB",
"url": "http://www.securitytracker.com/id/1039829"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-59P2-366R-GX84
Vulnerability from github – Published: 2023-03-23 18:30 – Updated: 2023-04-05 18:30A vulnerability in Cisco access points (AP) software could allow an authenticated, local attacker to inject arbitrary commands and execute them with root privileges. This vulnerability is due to improper input validation of commands that are issued from a wireless controller to an AP. An attacker with Administrator access to the CLI of the controller could exploit this vulnerability by issuing a command with crafted arguments. A successful exploit could allow the attacker to gain full root access on the AP.
{
"affected": [],
"aliases": [
"CVE-2023-20097"
],
"database_specific": {
"cwe_ids": [
"CWE-77"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-03-23T17:15:00Z",
"severity": "MODERATE"
},
"details": "A vulnerability in Cisco access points (AP) software could allow an authenticated, local attacker to inject arbitrary commands and execute them with root privileges. This vulnerability is due to improper input validation of commands that are issued from a wireless controller to an AP. An attacker with Administrator access to the CLI of the controller could exploit this vulnerability by issuing a command with crafted arguments. A successful exploit could allow the attacker to gain full root access on the AP.",
"id": "GHSA-59p2-366r-gx84",
"modified": "2023-04-05T18:30:15Z",
"published": "2023-03-23T18:30:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-20097"
},
{
"type": "WEB",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aironetap-cmdinj-6bjT4FL8"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-59RR-998R-96GQ
Vulnerability from github – Published: 2023-03-01 09:30 – Updated: 2023-03-04 06:30Authenticated command injection vulnerabilities exist in the ArubaOS command line interface. Successful exploitation of these vulnerabilities result in the ability to execute arbitrary commands as a privileged user on the underlying operating system.
{
"affected": [],
"aliases": [
"CVE-2023-22766"
],
"database_specific": {
"cwe_ids": [
"CWE-77"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-03-01T08:15:00Z",
"severity": "HIGH"
},
"details": "Authenticated command injection vulnerabilities exist in the ArubaOS command line interface. Successful exploitation of these vulnerabilities result in the ability to execute arbitrary commands as a privileged user on the underlying operating system.",
"id": "GHSA-59rr-998r-96gq",
"modified": "2023-03-04T06:30:22Z",
"published": "2023-03-01T09:30:28Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-22766"
},
{
"type": "WEB",
"url": "https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2023-002.txt"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-5C44-2P98-M32J
Vulnerability from github – Published: 2025-05-01 18:31 – Updated: 2025-05-02 18:31TOTOLINK CA600-PoE V5.3c.6665_B20180820 was found to contain a command injection vulnerability in the CloudSrvUserdataVersionCheck function via the svn parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.
{
"affected": [],
"aliases": [
"CVE-2025-44840"
],
"database_specific": {
"cwe_ids": [
"CWE-77"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-05-01T17:15:50Z",
"severity": "MODERATE"
},
"details": "TOTOLINK CA600-PoE V5.3c.6665_B20180820 was found to contain a command injection vulnerability in the CloudSrvUserdataVersionCheck function via the svn parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.",
"id": "GHSA-5c44-2p98-m32j",
"modified": "2025-05-02T18:31:31Z",
"published": "2025-05-01T18:31:46Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-44840"
},
{
"type": "WEB",
"url": "https://github.com/Summermu/VulnForIoT/tree/main/Totolink_CA600-PoE/CloudSrvUserdataVersionCheck_svn/readme.md"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-5C8J-XR24-2665
Vulnerability from github – Published: 2017-11-28 22:44 – Updated: 2021-09-01 21:34Versions 0.0.1 and earlier of printer are affected by a command injection vulnerability resulting from a failure to sanitize command arguments properly in the printDirect() function.
Recommendation
Update to version 0.0.2 or later.
{
"affected": [
{
"database_specific": {
"last_known_affected_version_range": "\u003c= 0.0.1"
},
"package": {
"ecosystem": "npm",
"name": "printer"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.0.2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2014-3741"
],
"database_specific": {
"cwe_ids": [
"CWE-77"
],
"github_reviewed": true,
"github_reviewed_at": "2020-06-16T21:00:28Z",
"nvd_published_at": null,
"severity": "CRITICAL"
},
"details": "Versions 0.0.1 and earlier of `printer` are affected by a command injection vulnerability resulting from a failure to sanitize command arguments properly in the `printDirect()` function. \n\n\n\n## Recommendation\n\nUpdate to version 0.0.2 or later.",
"id": "GHSA-5c8j-xr24-2665",
"modified": "2021-09-01T21:34:20Z",
"published": "2017-11-28T22:44:52Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-3741"
},
{
"type": "WEB",
"url": "https://github.com/tojocky/node-printer/commit/e001e38738c17219a1d9dd8c31f7d82b9c0013c7"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-5c8j-xr24-2665"
},
{
"type": "PACKAGE",
"url": "https://github.com/tojocky/node-printer"
},
{
"type": "WEB",
"url": "https://www.npmjs.com/advisories/27"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2014/05/13/1"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2014/05/15/2"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Potential Command Injection in printer"
}
GHSA-5CMW-62MJ-H539
Vulnerability from github – Published: 2022-05-17 02:14 – Updated: 2022-05-17 02:14IBM Curam Social Program Management 6.0 SP2 before EP26, 6.0.4 before 6.0.4.5iFix10 and 6.0.5 before 6.0.5.6 allows remote authenticated users to load arbitrary Java classes via unspecified vectors.
{
"affected": [],
"aliases": [
"CVE-2014-8903"
],
"database_specific": {
"cwe_ids": [
"CWE-77"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2017-08-02T19:29:00Z",
"severity": "HIGH"
},
"details": "IBM Curam Social Program Management 6.0 SP2 before EP26, 6.0.4 before 6.0.4.5iFix10 and 6.0.5 before 6.0.5.6 allows remote authenticated users to load arbitrary Java classes via unspecified vectors.",
"id": "GHSA-5cmw-62mj-h539",
"modified": "2022-05-17T02:14:02Z",
"published": "2022-05-17T02:14:02Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-8903"
},
{
"type": "WEB",
"url": "http://www-01.ibm.com/support/docview.wss?uid=swg21700098"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/73947"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-5F2J-F39J-26M7
Vulnerability from github – Published: 2024-09-26 18:31 – Updated: 2024-09-26 18:31Dell SmartFabric OS10 Software, versions 10.5.6.x, 10.5.5.x, 10.5.4.x, 10.5.3.x, contains an Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability leading to code execution.
{
"affected": [],
"aliases": [
"CVE-2024-39577"
],
"database_specific": {
"cwe_ids": [
"CWE-77"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-09-26T18:15:05Z",
"severity": "HIGH"
},
"details": "Dell SmartFabric OS10 Software, versions 10.5.6.x, 10.5.5.x, 10.5.4.x, 10.5.3.x, contains an Improper Neutralization of Special Elements used in a Command (\u0027Command Injection\u0027) vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability leading to code execution.",
"id": "GHSA-5f2j-f39j-26m7",
"modified": "2024-09-26T18:31:45Z",
"published": "2024-09-26T18:31:45Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-39577"
},
{
"type": "WEB",
"url": "https://www.dell.com/support/kbdoc/en-us/000228976/dsa-2024-274-security-update-for-dell-networking-os10-vulnerabilities"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-5F37-GXVH-23V6
Vulnerability from github – Published: 2020-03-05 22:09 – Updated: 2025-10-22 17:33Impact
The mailSend function in the default isMail transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command and consequently execute arbitrary code via a \" (backslash double quote) in a crafted Sender property.
Patches
Fixed in 5.2.18
Workarounds
Filter and validate user input before passing it to internal functions.
References
https://nvd.nist.gov/vuln/detail/CVE-2016-10033 Related to a follow-on issue in https://nvd.nist.gov/vuln/detail/CVE-2016-10045
For more information
If you have any questions or comments about this advisory: * Open a private issue in the PHPMailer project
{
"affected": [
{
"package": {
"ecosystem": "Packagist",
"name": "phpmailer/phpmailer"
},
"ranges": [
{
"events": [
{
"introduced": "5.0.0"
},
{
"fixed": "5.2.18"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2016-10033"
],
"database_specific": {
"cwe_ids": [
"CWE-77",
"CWE-88"
],
"github_reviewed": true,
"github_reviewed_at": "2020-03-05T22:05:13Z",
"nvd_published_at": "2016-12-30T19:59:00Z",
"severity": "CRITICAL"
},
"details": "### Impact\nThe `mailSend` function in the default `isMail` transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command and consequently execute arbitrary code via a \\\u0026quot; (backslash double quote) in a crafted `Sender` property.\n\n### Patches\nFixed in 5.2.18\n\n### Workarounds\nFilter and validate user input before passing it to internal functions.\n\n### References\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-10033\nRelated to a follow-on issue in https://nvd.nist.gov/vuln/detail/CVE-2016-10045\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open a private issue in [the PHPMailer project](https://github.com/PHPMailer/PHPMailer)",
"id": "GHSA-5f37-gxvh-23v6",
"modified": "2025-10-22T17:33:42Z",
"published": "2020-03-05T22:09:17Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-5f37-gxvh-23v6"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-10033"
},
{
"type": "WEB",
"url": "https://www.exploit-db.com/exploits/42221"
},
{
"type": "WEB",
"url": "https://www.exploit-db.com/exploits/42024"
},
{
"type": "WEB",
"url": "https://www.exploit-db.com/exploits/41996"
},
{
"type": "WEB",
"url": "https://www.exploit-db.com/exploits/41962"
},
{
"type": "WEB",
"url": "https://www.exploit-db.com/exploits/40986"
},
{
"type": "WEB",
"url": "https://www.exploit-db.com/exploits/40974"
},
{
"type": "WEB",
"url": "https://www.exploit-db.com/exploits/40970"
},
{
"type": "WEB",
"url": "https://www.exploit-db.com/exploits/40969"
},
{
"type": "WEB",
"url": "https://www.exploit-db.com/exploits/40968"
},
{
"type": "WEB",
"url": "https://www.drupal.org/psa-2016-004"
},
{
"type": "WEB",
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-10033"
},
{
"type": "WEB",
"url": "https://legalhackers.com/advisories/PHPMailer-Exploit-Remote-Code-Exec-CVE-2016-10033-Vuln.html"
},
{
"type": "WEB",
"url": "https://github.com/PHPMailer/PHPMailer/wiki/About-the-CVE-2016-10033-and-CVE-2016-10045-vulnerabilities"
},
{
"type": "WEB",
"url": "https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.18"
},
{
"type": "PACKAGE",
"url": "https://github.com/PHPMailer/PHPMailer"
},
{
"type": "WEB",
"url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/phpmailer/phpmailer/CVE-2016-10033.yaml"
},
{
"type": "WEB",
"url": "https://developer.joomla.org/security-centre/668-20161205-phpmailer-security-advisory.html"
},
{
"type": "WEB",
"url": "http://packetstormsecurity.com/files/140291/PHPMailer-Remote-Code-Execution.html"
},
{
"type": "WEB",
"url": "http://packetstormsecurity.com/files/140350/PHPMailer-Sendmail-Argument-Injection.html"
},
{
"type": "WEB",
"url": "http://seclists.org/fulldisclosure/2016/Dec/78"
},
{
"type": "WEB",
"url": "http://www.rapid7.com/db/modules/exploit/multi/http/phpmailer_arg_injection"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H",
"type": "CVSS_V3"
}
],
"summary": "Remote code execution in PHPMailer"
}
GHSA-5F37-M2HF-QPHR
Vulnerability from github – Published: 2023-04-04 12:30 – Updated: 2025-10-22 00:32A pre-auth command injection vulnerability in the warn-proceed handler of Sophos Web Appliance older than version 4.3.10.4 allows execution of arbitrary code.
{
"affected": [],
"aliases": [
"CVE-2023-1671"
],
"database_specific": {
"cwe_ids": [
"CWE-77"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-04-04T10:15:00Z",
"severity": "CRITICAL"
},
"details": "A pre-auth command injection vulnerability in the warn-proceed handler of Sophos Web Appliance older than version 4.3.10.4 allows execution of arbitrary code.",
"id": "GHSA-5f37-m2hf-qphr",
"modified": "2025-10-22T00:32:43Z",
"published": "2023-04-04T12:30:30Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-1671"
},
{
"type": "WEB",
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-1671"
},
{
"type": "WEB",
"url": "https://www.sophos.com/en-us/security-advisories/sophos-sa-20230404-swa-rce"
},
{
"type": "WEB",
"url": "http://packetstormsecurity.com/files/172016/Sophos-Web-Appliance-4.3.10.4-Command-Injection.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-5F5R-CV84-3XJR
Vulnerability from github – Published: 2025-01-14 15:30 – Updated: 2025-11-04 00:32Multiple OS command injection vulnerabilities exist in the internet.cgi set_add_routing() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.A command injection vulnerability exists in the netmask POST parameter.
{
"affected": [],
"aliases": [
"CVE-2024-39762"
],
"database_specific": {
"cwe_ids": [
"CWE-77"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-01-14T15:15:21Z",
"severity": "CRITICAL"
},
"details": "Multiple OS command injection vulnerabilities exist in the internet.cgi set_add_routing() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.A command injection vulnerability exists in the `netmask` POST parameter.",
"id": "GHSA-5f5r-cv84-3xjr",
"modified": "2025-11-04T00:32:15Z",
"published": "2025-01-14T15:30:56Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-39762"
},
{
"type": "WEB",
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2024-2020"
},
{
"type": "WEB",
"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2020"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
Mitigation
If at all possible, use library calls rather than external processes to recreate the desired functionality.
Mitigation
If possible, ensure that all external commands called from the program are statically created.
Mitigation MIT-5
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
Run time: Run time policy enforcement may be used in an allowlist fashion to prevent use of any non-sanctioned commands.
Mitigation
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.