CWE-94
Allowed-with-ReviewImproper Control of Generation of Code ('Code Injection')
Abstraction: Base · Status: Draft
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
8368 vulnerabilities reference this CWE, most recent first.
GHSA-2QM5-CXH9-VCP8
Vulnerability from github – Published: 2022-05-14 01:57 – Updated: 2022-05-14 01:57The videowhisper-video-presentation plugin 3.31.17 for WordPress allows remote attackers to execute arbitrary code because vp/vw_upload.php considers a file safe when "html" are the last four characters, as demonstrated by a .phtml file containing PHP code.
{
"affected": [],
"aliases": [
"CVE-2015-9272"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2018-10-05T06:29:00Z",
"severity": "CRITICAL"
},
"details": "The videowhisper-video-presentation plugin 3.31.17 for WordPress allows remote attackers to execute arbitrary code because vp/vw_upload.php considers a file safe when \"html\" are the last four characters, as demonstrated by a .phtml file containing PHP code.",
"id": "GHSA-2qm5-cxh9-vcp8",
"modified": "2022-05-14T01:57:00Z",
"published": "2022-05-14T01:57:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2015-9272"
},
{
"type": "WEB",
"url": "https://www.openwall.com/lists/oss-security/2015/04/01/2"
},
{
"type": "WEB",
"url": "http://www.vapidlabs.com/advisory.php?v=117"
}
],
"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"
}
]
}
GHSA-2QM6-VPRH-VGFC
Vulnerability from github – Published: 2025-12-27 15:30 – Updated: 2025-12-27 15:30Xspeeder SXZOS through 2025-12-26 allows root remote code execution via base64-encoded Python code in the chkid parameter to vLogin.py. The title and oIP parameters are also used.
{
"affected": [],
"aliases": [
"CVE-2025-54322"
],
"database_specific": {
"cwe_ids": [
"CWE-94",
"CWE-95"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-12-27T14:15:49Z",
"severity": "CRITICAL"
},
"details": "Xspeeder SXZOS through 2025-12-26 allows root remote code execution via base64-encoded Python code in the chkid parameter to vLogin.py. The title and oIP parameters are also used.",
"id": "GHSA-2qm6-vprh-vgfc",
"modified": "2025-12-27T15:30:17Z",
"published": "2025-12-27T15:30:16Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-54322"
},
{
"type": "WEB",
"url": "https://pwn.ai/blog/cve-2025-54322-zeroday-unauthenticated-root-rce-affecting-70-000-hosts"
},
{
"type": "WEB",
"url": "https://www.xspeeder.com"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-2QMJ-7962-CJQ8
Vulnerability from github – Published: 2023-07-03 21:30 – Updated: 2024-11-22 22:42An issue in langchain allows an attacker to execute arbitrary code via the PALChain in the python exec method.
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "langchain"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.0.247"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2023-36258"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": true,
"github_reviewed_at": "2023-07-06T15:11:23Z",
"nvd_published_at": "2023-07-03T21:15:09Z",
"severity": "CRITICAL"
},
"details": "An issue in langchain allows an attacker to execute arbitrary code via the PALChain in the python exec method.",
"id": "GHSA-2qmj-7962-cjq8",
"modified": "2024-11-22T22:42:14Z",
"published": "2023-07-03T21:30:57Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-36258"
},
{
"type": "WEB",
"url": "https://github.com/langchain-ai/langchain/issues/5872"
},
{
"type": "WEB",
"url": "https://github.com/langchain-ai/langchain/issues/5872#issuecomment-1697785619"
},
{
"type": "WEB",
"url": "https://github.com/langchain-ai/langchain/pull/6003"
},
{
"type": "WEB",
"url": "https://github.com/langchain-ai/langchain/pull/7870"
},
{
"type": "WEB",
"url": "https://github.com/langchain-ai/langchain/pull/8425"
},
{
"type": "WEB",
"url": "https://github.com/langchain-ai/langchain/commit/8ba9835b925473655914f63822775679e03ea137"
},
{
"type": "WEB",
"url": "https://github.com/langchain-ai/langchain/commit/e294ba475a355feb95003ed8f1a2b99942509a9e"
},
{
"type": "WEB",
"url": "https://github.com/langchain-ai/langchain/commit/fab24457bcf8ede882abd11419769c92bc4e7751"
},
{
"type": "PACKAGE",
"url": "https://github.com/hwchase17/langchain"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/langchain/PYSEC-2023-98.yaml"
}
],
"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"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "langchain arbitrary code execution vulnerability"
}
GHSA-2QQ9-7PPW-4M9Q
Vulnerability from github – Published: 2026-06-09 18:30 – Updated: 2026-06-09 18:30Improper control of generation of code ('code injection') in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.
{
"affected": [],
"aliases": [
"CVE-2026-45583"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-06-09T17:17:26Z",
"severity": "HIGH"
},
"details": "Improper control of generation of code (\u0027code injection\u0027) in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.",
"id": "GHSA-2qq9-7ppw-4m9q",
"modified": "2026-06-09T18:30:51Z",
"published": "2026-06-09T18:30:51Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45583"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45583"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-2QWG-C99H-5PXC
Vulnerability from github – Published: 2025-01-15 00:30 – Updated: 2025-02-03 18:30ECOVACS Robotics Deebot T20 OMNI and T20e OMNI before 1.24.0 was discovered to contain a WiFi Remote Code Execution vulnerability.
{
"affected": [],
"aliases": [
"CVE-2024-42911"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-01-14T23:15:07Z",
"severity": "HIGH"
},
"details": "ECOVACS Robotics Deebot T20 OMNI and T20e OMNI before 1.24.0 was discovered to contain a WiFi Remote Code Execution vulnerability.",
"id": "GHSA-2qwg-c99h-5pxc",
"modified": "2025-02-03T18:30:39Z",
"published": "2025-01-15T00:30:42Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-42911"
},
{
"type": "WEB",
"url": "https://www.ecovacs.com/global/userhelp/dsa20250113001"
},
{
"type": "WEB",
"url": "http://ecovacs.com"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-2R2C-PRQV-CXP3
Vulnerability from github – Published: 2022-05-14 02:36 – Updated: 2022-05-14 02:36The WMITools ActiveX control in WBEMSingleView.ocx 1.50.1131.0 in Microsoft WMI Administrative Tools 1.1 and earlier in Microsoft Windows XP SP2 and SP3 allows remote attackers to execute arbitrary code via a crafted argument to the AddContextRef method, possibly an untrusted pointer dereference, aka "Microsoft WMITools ActiveX Control Vulnerability."
{
"affected": [],
"aliases": [
"CVE-2010-3973"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2010-12-23T18:00:00Z",
"severity": "HIGH"
},
"details": "The WMITools ActiveX control in WBEMSingleView.ocx 1.50.1131.0 in Microsoft WMI Administrative Tools 1.1 and earlier in Microsoft Windows XP SP2 and SP3 allows remote attackers to execute arbitrary code via a crafted argument to the AddContextRef method, possibly an untrusted pointer dereference, aka \"Microsoft WMITools ActiveX Control Vulnerability.\"",
"id": "GHSA-2r2c-prqv-cxp3",
"modified": "2022-05-14T02:36:06Z",
"published": "2022-05-14T02:36:06Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2010-3973"
},
{
"type": "WEB",
"url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-027"
},
{
"type": "WEB",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64250"
},
{
"type": "WEB",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12475"
},
{
"type": "WEB",
"url": "http://blogs.technet.com/b/srd/archive/2011/01/07/assessing-the-risk-of-public-issues-currently-being-tracked-by-the-msrc.aspx"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/42693"
},
{
"type": "WEB",
"url": "http://www.exploit-db.com/exploits/15809"
},
{
"type": "WEB",
"url": "http://www.kb.cert.org/vuls/id/725596"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/45546"
},
{
"type": "WEB",
"url": "http://www.vupen.com/english/advisories/2010/3301"
},
{
"type": "WEB",
"url": "http://www.wooyun.org/bug.php?action=view\u0026id=1006"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-2R4F-PHW2-GPQP
Vulnerability from github – Published: 2022-12-19 03:30 – Updated: 2025-04-17 15:32Hidden functionality vulnerability in Buffalo network devices WSR-3200AX4S firmware Ver. 1.26 and earlier, WSR-3200AX4B firmware Ver. 1.25, WSR-2533DHP firmware Ver. 1.08 and earlier, WSR-2533DHP2 firmware Ver. 1.22 and earlier, WSR-A2533DHP2 firmware Ver. 1.22 and earlier, WSR-2533DHP3 firmware Ver. 1.26 and earlier, WSR-A2533DHP3 firmware Ver. 1.26 and earlier, WSR-2533DHPL firmware Ver. 1.08 and earlier, WSR-2533DHPL2 firmware Ver. 1.03 and earlier, WSR-2533DHPLS firmware Ver. 1.07 and earlier, WCR-1166DS firmware Ver. 1.34 and earlier, WEX-1800AX4 firmware Ver. 1.13 and earlier, and WEX-1800AX4EA firmware Ver. 1.13 and earlier allows a network-adjacent attacker with an administrative privilege to enable the debug functionalities and execute an arbitrary command on the affected device.
{
"affected": [],
"aliases": [
"CVE-2022-43486"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-12-19T03:15:00Z",
"severity": "MODERATE"
},
"details": "Hidden functionality vulnerability in Buffalo network devices WSR-3200AX4S firmware Ver. 1.26 and earlier, WSR-3200AX4B firmware Ver. 1.25, WSR-2533DHP firmware Ver. 1.08 and earlier, WSR-2533DHP2 firmware Ver. 1.22 and earlier, WSR-A2533DHP2 firmware Ver. 1.22 and earlier, WSR-2533DHP3 firmware Ver. 1.26 and earlier, WSR-A2533DHP3 firmware Ver. 1.26 and earlier, WSR-2533DHPL firmware Ver. 1.08 and earlier, WSR-2533DHPL2 firmware Ver. 1.03 and earlier, WSR-2533DHPLS firmware Ver. 1.07 and earlier, WCR-1166DS firmware Ver. 1.34 and earlier, WEX-1800AX4 firmware Ver. 1.13 and earlier, and WEX-1800AX4EA firmware Ver. 1.13 and earlier allows a network-adjacent attacker with an administrative privilege to enable the debug functionalities and execute an arbitrary command on the affected device.",
"id": "GHSA-2r4f-phw2-gpqp",
"modified": "2025-04-17T15:32:26Z",
"published": "2022-12-19T03:30:31Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-43486"
},
{
"type": "WEB",
"url": "https://jvn.jp/en/vu/JVNVU97099584"
},
{
"type": "WEB",
"url": "https://jvn.jp/en/vu/JVNVU97099584/index.html"
},
{
"type": "WEB",
"url": "https://www.buffalo.jp/news/detail/20221205-01.html"
},
{
"type": "WEB",
"url": "https://www.buffalo.jp/news/detail/20240131-01.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-2R53-9295-3M86
Vulnerability from github – Published: 2023-11-14 22:25 – Updated: 2023-11-15 18:08Impact
Similar to another advisory, certain additional PHP files crafted to look like images may be uploaded regardless of mime type validation rules. This affects front-end forms using the "Forms" feature, and asset upload fields in the control panel.
Patches
It has been patched in 3.4.14 and 4.34.0.
{
"affected": [
{
"package": {
"ecosystem": "Packagist",
"name": "statamic/cms"
},
"ranges": [
{
"events": [
{
"introduced": "4.0.0"
},
{
"fixed": "4.34.0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Packagist",
"name": "statamic/cms"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.4.14"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2023-48217"
],
"database_specific": {
"cwe_ids": [
"CWE-434",
"CWE-94"
],
"github_reviewed": true,
"github_reviewed_at": "2023-11-14T22:25:41Z",
"nvd_published_at": "2023-11-14T22:15:31Z",
"severity": "HIGH"
},
"details": "### Impact\n\nSimilar to [another advisory](https://github.com/statamic/cms/security/advisories/GHSA-72hg-5wr5-rmfc), certain additional PHP files crafted to look like images may be uploaded regardless of mime type validation rules. This affects front-end forms using the \"Forms\" feature, and asset upload fields in the control panel.\n\n### Patches\nIt has been patched in 3.4.14 and 4.34.0.",
"id": "GHSA-2r53-9295-3m86",
"modified": "2023-11-15T18:08:58Z",
"published": "2023-11-14T22:25:41Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/statamic/cms/security/advisories/GHSA-2r53-9295-3m86"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-48217"
},
{
"type": "WEB",
"url": "https://github.com/statamic/cms/pull/8991"
},
{
"type": "WEB",
"url": "https://github.com/statamic/cms/pull/8992"
},
{
"type": "WEB",
"url": "https://github.com/statamic/cms/commit/4c6fe041e2203a8033e5949ce4a5d9d6c0ad2411"
},
{
"type": "WEB",
"url": "https://github.com/statamic/cms/commit/da28afde818d605179fbb63b96eabafabad876b6"
},
{
"type": "PACKAGE",
"url": "https://github.com/statamic/cms"
},
{
"type": "WEB",
"url": "https://github.com/statamic/cms/releases/tag/v3.4.14"
},
{
"type": "WEB",
"url": "https://github.com/statamic/cms/releases/tag/v4.34.0"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Statamic CMS vulnerable to remote code execution via form uploads"
}
GHSA-2R5H-6R7V-5M7C
Vulnerability from github – Published: 2022-05-17 01:36 – Updated: 2024-04-25 22:09The Yaml::parse function in Symfony 2.0.x before 2.0.22 remote attackers to execute arbitrary PHP code via a PHP file, a different vulnerability than CVE-2013-1397.
{
"affected": [
{
"package": {
"ecosystem": "Packagist",
"name": "symfony/symfony"
},
"ranges": [
{
"events": [
{
"introduced": "2.0.0"
},
{
"fixed": "2.0.22"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Packagist",
"name": "symfony/yaml"
},
"ranges": [
{
"events": [
{
"introduced": "2.0.0"
},
{
"fixed": "2.0.22"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2013-1348"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": true,
"github_reviewed_at": "2024-04-25T22:09:29Z",
"nvd_published_at": "2014-06-02T15:55:00Z",
"severity": "HIGH"
},
"details": "The `Yaml::parse` function in Symfony 2.0.x before 2.0.22 remote attackers to execute arbitrary PHP code via a PHP file, a different vulnerability than CVE-2013-1397.",
"id": "GHSA-2r5h-6r7v-5m7c",
"modified": "2024-04-25T22:09:29Z",
"published": "2022-05-17T01:36:50Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1348"
},
{
"type": "WEB",
"url": "https://github.com/symfony/symfony/commit/ac756bf39e646b4e130fad058d10a0228dbd9779"
},
{
"type": "WEB",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/81550"
},
{
"type": "WEB",
"url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2013-1348.yaml"
},
{
"type": "WEB",
"url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/yaml/CVE-2013-1348.yaml"
},
{
"type": "PACKAGE",
"url": "https://github.com/symfony/symfony"
},
{
"type": "WEB",
"url": "https://symfony.com/blog/security-release-symfony-2-0-22-and-2-1-7-released"
},
{
"type": "WEB",
"url": "https://web.archive.org/web/20150612022223/http://www.securityfocus.com/bid/57574"
}
],
"schema_version": "1.4.0",
"severity": [],
"summary": "Symphony Vulnerable to PHP Code Injection via YAML Parsing"
}
GHSA-2R65-43VV-HG7R
Vulnerability from github – Published: 2022-05-01 18:43 – Updated: 2022-05-01 18:43Multiple PHP remote file inclusion vulnerabilities in Centreon 1.4.1 (aka Oreon 1.4) allow remote attackers to execute arbitrary PHP code via a URL in the fileOreonConf parameter to (1) MakeXML.php or (2) MakeXML4statusCounter.php in include/monitoring/engine/.
{
"affected": [],
"aliases": [
"CVE-2007-6485"
],
"database_specific": {
"cwe_ids": [
"CWE-94"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2007-12-20T20:46:00Z",
"severity": "HIGH"
},
"details": "Multiple PHP remote file inclusion vulnerabilities in Centreon 1.4.1 (aka Oreon 1.4) allow remote attackers to execute arbitrary PHP code via a URL in the fileOreonConf parameter to (1) MakeXML.php or (2) MakeXML4statusCounter.php in include/monitoring/engine/.",
"id": "GHSA-2r65-43vv-hg7r",
"modified": "2022-05-01T18:43:21Z",
"published": "2022-05-01T18:43:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2007-6485"
},
{
"type": "WEB",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/39065"
},
{
"type": "WEB",
"url": "https://www.exploit-db.com/exploits/4735"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/28112"
},
{
"type": "WEB",
"url": "http://securityreason.com/securityalert/3472"
},
{
"type": "WEB",
"url": "http://www.osvdb.org/39226"
},
{
"type": "WEB",
"url": "http://www.osvdb.org/39227"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/archive/1/485152/100/0/threaded"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/26883"
}
],
"schema_version": "1.4.0",
"severity": []
}
Mitigation
Strategy: Refactoring
Refactor your program so that you do not have to dynamically generate code.
Mitigation
- Run your code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which code can be executed by your product.
- Examples include the Unix chroot jail and AppArmor. In general, managed code may provide some protection.
- This may not be a feasible solution, and it only limits the impact to the operating system; the rest of your application may still be subject to compromise.
- Be careful to avoid CWE-243 and other weaknesses related to jails.
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.
- To reduce the likelihood of code injection, use stringent allowlists that limit which constructs are allowed. If you are dynamically constructing code that invokes a function, then verifying that the input is alphanumeric might be insufficient. An attacker might still be able to reference a dangerous function that you did not intend to allow, such as system(), exec(), or exit().
Mitigation
Use dynamic tools and techniques that interact with the product using large test suites with many diverse inputs, such as fuzz testing (fuzzing), robustness testing, and fault injection. The product's operation may slow down, but it should not become unstable, crash, or generate incorrect results.
Mitigation MIT-32
Strategy: Compilation or Build Hardening
Run the code in an environment that performs automatic taint propagation and prevents any command execution that uses tainted variables, such as Perl's "-T" switch. This will force the program to perform validation steps that remove the taint, although you must be careful to correctly validate your inputs so that you do not accidentally mark dangerous inputs as untainted (see CWE-183 and CWE-184).
Mitigation MIT-32
Strategy: Environment Hardening
Run the code in an environment that performs automatic taint propagation and prevents any command execution that uses tainted variables, such as Perl's "-T" switch. This will force the program to perform validation steps that remove the taint, although you must be careful to correctly validate your inputs so that you do not accidentally mark dangerous inputs as untainted (see CWE-183 and CWE-184).
Mitigation
For Python programs, it is frequently encouraged to use the ast.literal_eval() function instead of eval, since it is intentionally designed to avoid executing code. However, an adversary could still cause excessive memory or stack consumption via deeply nested structures [REF-1372], so the python documentation discourages use of ast.literal_eval() on untrusted data [REF-1373].
CAPEC-242: Code Injection
An adversary exploits a weakness in input validation on the target to inject new code into that which is currently executing. This differs from code inclusion in that code inclusion involves the addition or replacement of a reference to a code file, which is subsequently loaded by the target and used as part of the code of some application.
CAPEC-35: Leverage Executable Code in Non-Executable Files
An attack of this type exploits a system's trust in configuration and resource files. When the executable loads the resource (such as an image file or configuration file) the attacker has modified the file to either execute malicious code directly or manipulate the target process (e.g. application server) to execute based on the malicious configuration parameters. Since systems are increasingly interrelated mashing up resources from local and remote sources the possibility of this attack occurring is high.
CAPEC-77: Manipulating User-Controlled Variables
This attack targets user controlled variables (DEBUG=1, PHP Globals, and So Forth). An adversary can override variables leveraging user-supplied, untrusted query variables directly used on the application server without any data sanitization. In extreme cases, the adversary can change variables controlling the business logic of the application. For instance, in languages like PHP, a number of poorly set default configurations may allow the user to override variables.