CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2019-1836 (GCVE-0-2019-1836)
Vulnerability from cvelistv5 – Published: 2019-05-03 16:30 – Updated: 2024-11-21 19:34
VLAI
Title
Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Symbolic Link Path Traversal Vulnerability
Summary
A vulnerability in the system shell for Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode could allow an authenticated, local attacker to use symbolic links to overwrite system files. These system files may be sensitive and should not be overwritable by non-root users. The attacker would need valid device credentials. The vulnerability is due to incorrect symbolic link verification of directory paths when they are used in the system shell. An attacker could exploit this vulnerability by authenticating to the device and providing crafted user input to specific symbolic link CLI commands. Successful exploitation could allow the attacker to overwrite system files that should be restricted. This vulnerability has been fixed in software version 14.1(1i).
Severity
5.5 (Medium)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
| http://www.securityfocus.com/bid/108150 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco NX-OS Software for Nexus 9000 Series Fabric Switches ACI Mode |
Affected:
unspecified , < 14.1(1i)
(custom)
|
Date Public
2019-05-01 00:00
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CVE-2019-1854 (GCVE-0-2019-1854)
Vulnerability from cvelistv5 – Published: 2019-05-03 16:35 – Updated: 2024-11-21 19:32
VLAI
Title
Cisco Expressway Series Directory Traversal Vulnerability
Summary
A vulnerability in the management web interface of Cisco Expressway Series could allow an authenticated, remote attacker to perform a directory traversal attack against an affected device. The vulnerability is due to insufficient input validation on the web interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web interface. A successful exploit could allow the attacker to bypass security restrictions and access the web interface of a Cisco Unified Communications Manager associated with the affected device. Valid credentials would still be required to access the Cisco Unified Communications Manager interface.
Severity
4.1 (Medium)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
| http://www.securityfocus.com/bid/108154 | vdb-entryx_refsource_BID |
| http://seclists.org/fulldisclosure/2019/May/28 | mailing-listx_refsource_FULLDISC |
| https://seclists.org/bugtraq/2019/May/49 | mailing-listx_refsource_BUGTRAQ |
| http://packetstormsecurity.com/files/152963/Cisco… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Expressway |
Affected:
unspecified , < X12.5.2
(custom)
|
Date Public
2019-05-01 00:00
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CVE-2019-19102 (GCVE-0-2019-19102)
Vulnerability from cvelistv5 – Published: 2020-04-29 02:07 – Updated: 2024-08-05 02:09
VLAI
Title
Zip Slip vulnerability in 3rd-Party library in B&R Automation Studio upgrade service
Summary
A directory traversal vulnerability in SharpZipLib used in the upgrade service in B&R Automation Studio versions 4.0.x, 4.1.x and 4.2.x allow unauthenticated users to write to certain local directories. The vulnerability is also known as zip slip.
Severity
5.5 (Medium)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.br-automation.com/en/downloads/032020… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| B&R | Automation Studio |
Affected:
4.0.x
Affected: 4.1.x Affected: 4.2.x |
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CVE-2019-19290 (GCVE-0-2019-19290)
Vulnerability from cvelistv5 – Published: 2020-03-10 19:16 – Updated: 2024-08-05 02:09
VLAI
Summary
A vulnerability has been identified in Control Center Server (CCS) (All versions < V1.5.0). The DOWNLOADS section in the web interface of the Control Center
Server (CCS) contains a path traversal vulnerability
that could allow an authenticated remote attacker to access and download
arbitrary files from the server where CCS is installed.
Severity
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | Control Center Server (CCS) |
Affected:
All versions < V1.5.0
|
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CVE-2019-19296 (GCVE-0-2019-19296)
Vulnerability from cvelistv5 – Published: 2020-03-10 19:16 – Updated: 2024-08-05 02:09
VLAI
Summary
A vulnerability has been identified in SiNVR/SiVMS Video Server (All versions < V5.0.0). The two FTP services (default ports 21/tcp and 5411/tcp) of the SiVMS/SiNVR Video
Server contain a path traversal vulnerability
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Severity
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | SiNVR/SiVMS Video Server |
Affected:
All versions < V5.0.0
|
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CVE-2019-19297 (GCVE-0-2019-19297)
Vulnerability from cvelistv5 – Published: 2020-03-10 19:16 – Updated: 2024-08-05 02:09
VLAI
Summary
A vulnerability has been identified in SiNVR/SiVMS Video Server (All versions < V5.0.0). The streaming service (default port 5410/tcp) of the SiVMS/SiNVR Video Server
contains a path traversal vulnerability, that could allow an
unauthenticated remote attacker to access and download arbitrary files from the server.
Severity
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
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| Siemens | SiNVR/SiVMS Video Server |
Affected:
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CVE-2019-1952 (GCVE-0-2019-1952)
Vulnerability from cvelistv5 – Published: 2019-08-08 07:25 – Updated: 2024-11-20 17:13
VLAI
Title
Cisco Enterprise NFV Infrastructure Software Path Traversal Vulnerability
Summary
A vulnerability in the CLI of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, local attacker to overwrite or read arbitrary files. The attacker would need valid administrator privilege-level credentials. This vulnerability is due to improper input validation of CLI command arguments. An attacker could exploit this vulnerability by using directory traversal techniques when executing a vulnerable command. A successful exploit could allow the attacker to overwrite or read arbitrary files on an affected device.
Severity
6.7 (Medium)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Enterprise NFV Infrastructure Software |
Affected:
unspecified , < 3.10.1
(custom)
|
Date Public
2019-08-07 00:00
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CVE-2019-25097 (GCVE-0-2019-25097)
Vulnerability from cvelistv5 – Published: 2023-01-05 07:58 – Updated: 2024-08-05 03:00
VLAI
Title
soerennb eXtplorer Directory Content path traversal
Summary
A vulnerability was found in soerennb eXtplorer up to 2.1.12 and classified as critical. Affected by this issue is some unknown functionality of the component Directory Content Handler. The manipulation leads to path traversal. Upgrading to version 2.1.13 is able to address this issue. The name of the patch is b8fcb888f4ff5e171c16797a4b075c6c6f50bf46. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-217436.
Severity
5.5 (Medium)
5.5 (Medium)
CWE
- CWE-22 - Path Traversal
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.217436 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.217436 | signaturepermissions-required |
| https://github.com/soerennb/extplorer/commit/b8fc… | patch |
| https://github.com/soerennb/extplorer/releases/ta… | patch |
Impacted products
Credits
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CVE-2019-25098 (GCVE-0-2019-25098)
Vulnerability from cvelistv5 – Published: 2023-01-05 07:59 – Updated: 2024-08-05 03:00
VLAI
Title
soerennb eXtplorer Archive archive.php path traversal
Summary
A vulnerability was found in soerennb eXtplorer up to 2.1.12. It has been classified as critical. This affects an unknown part of the file include/archive.php of the component Archive Handler. The manipulation leads to path traversal. Upgrading to version 2.1.13 is able to address this issue. The identifier of the patch is b8fcb888f4ff5e171c16797a4b075c6c6f50bf46. It is recommended to upgrade the affected component. The identifier VDB-217437 was assigned to this vulnerability.
Severity
5.5 (Medium)
5.5 (Medium)
CWE
- CWE-22 - Path Traversal
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.217437 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.217437 | signaturepermissions-required |
| https://github.com/soerennb/extplorer/commit/b8fc… | patch |
| https://github.com/soerennb/extplorer/releases/ta… | patch |
Impacted products
Credits
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CVE-2019-25099 (GCVE-0-2019-25099)
Vulnerability from cvelistv5 – Published: 2023-01-06 12:01 – Updated: 2025-04-10 13:20
VLAI
Title
Arthmoor QSF-Portal index.php path traversal
Summary
A vulnerability classified as critical was found in Arthmoor QSF-Portal. This vulnerability affects unknown code of the file index.php. The manipulation of the argument a leads to path traversal. The patch is identified as ea4f61e23ecb83247d174bc2e2cbab521c751a7d. It is recommended to apply a patch to fix this issue. VDB-217558 is the identifier assigned to this vulnerability.
Severity
5.5 (Medium)
5.5 (Medium)
CWE
- CWE-22 - Path Traversal
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.217558 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.217558 | signaturepermissions-required |
| https://github.com/Arthmoor/QSF-Portal/commit/ea4… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Arthmoor | QSF-Portal |
Affected:
n/a
|
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Mitigation ID: MIT-5.1
Phase: Implementation
Strategy: Input Validation
Description:
- 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.
- When validating filenames, use stringent allowlists that limit the character set to be used. If feasible, only allow a single "." character in the filename to avoid weaknesses such as CWE-23, and exclude directory separators such as "/" to avoid CWE-36. Use a list of allowable file extensions, which will help to avoid CWE-434.
- Do not rely exclusively on a filtering mechanism that removes potentially dangerous characters. This is equivalent to a denylist, which may be incomplete (CWE-184). For example, filtering "/" is insufficient protection if the filesystem also supports the use of "\" as a directory separator. Another possible error could occur when the filtering is applied in a way that still produces dangerous data (CWE-182). For example, if "../" sequences are removed from the ".../...//" string in a sequential fashion, two instances of "../" would be removed from the original string, but the remaining characters would still form the "../" string.
Mitigation ID: MIT-15
Phase: Architecture and Design
Description:
- For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation ID: MIT-20.1
Phase: Implementation
Strategy: Input Validation
Description:
- Inputs should be decoded and canonicalized to the application's current internal representation before being validated (CWE-180). Make sure that the application does not decode the same input twice (CWE-174). Such errors could be used to bypass allowlist validation schemes by introducing dangerous inputs after they have been checked.
- Use a built-in path canonicalization function (such as realpath() in C) that produces the canonical version of the pathname, which effectively removes ".." sequences and symbolic links (CWE-23, CWE-59). This includes:
- realpath() in C
- getCanonicalPath() in Java
- GetFullPath() in ASP.NET
- realpath() or abs_path() in Perl
- realpath() in PHP
Mitigation ID: MIT-4
Phase: Architecture and Design
Strategy: Libraries or Frameworks
Description:
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482].
Mitigation ID: MIT-29
Phase: Operation
Strategy: Firewall
Description:
- Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].
Mitigation ID: MIT-17
Phases: Architecture and Design, Operation
Strategy: Environment Hardening
Description:
- Run your code using the lowest privileges that are required to accomplish the necessary tasks [REF-76]. If possible, create isolated accounts with limited privileges that are only used for a single task. That way, a successful attack will not immediately give the attacker access to the rest of the software or its environment. For example, database applications rarely need to run as the database administrator, especially in day-to-day operations.
Mitigation ID: MIT-21.1
Phase: Architecture and Design
Strategy: Enforcement by Conversion
Description:
- When the set of acceptable objects, such as filenames or URLs, is limited or known, create a mapping from a set of fixed input values (such as numeric IDs) to the actual filenames or URLs, and reject all other inputs.
- For example, ID 1 could map to "inbox.txt" and ID 2 could map to "profile.txt". Features such as the ESAPI AccessReferenceMap [REF-185] provide this capability.
Mitigation ID: MIT-22
Phases: Architecture and Design, Operation
Strategy: Sandbox or Jail
Description:
- Run the code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which files can be accessed in a particular directory or which commands can be executed by the software.
- OS-level examples include the Unix chroot jail, AppArmor, and SELinux. In general, managed code may provide some protection. For example, java.io.FilePermission in the Java SecurityManager allows the software to specify restrictions on file operations.
- This may not be a feasible solution, and it only limits the impact to the operating system; the rest of the application may still be subject to compromise.
- Be careful to avoid CWE-243 and other weaknesses related to jails.
Mitigation ID: MIT-34
Phases: Architecture and Design, Operation
Strategy: Attack Surface Reduction
Description:
- Store library, include, and utility files outside of the web document root, if possible. Otherwise, store them in a separate directory and use the web server's access control capabilities to prevent attackers from directly requesting them. One common practice is to define a fixed constant in each calling program, then check for the existence of the constant in the library/include file; if the constant does not exist, then the file was directly requested, and it can exit immediately.
- This significantly reduces the chance of an attacker being able to bypass any protection mechanisms that are in the base program but not in the include files. It will also reduce the attack surface.
Mitigation ID: MIT-39
Phase: Implementation
Description:
- Ensure that error messages only contain minimal details that are useful to the intended audience and no one else. The messages need to strike the balance between being too cryptic (which can confuse users) or being too detailed (which may reveal more than intended). The messages should not reveal the methods that were used to determine the error. Attackers can use detailed information to refine or optimize their original attack, thereby increasing their chances of success.
- If errors must be captured in some detail, record them in log messages, but consider what could occur if the log messages can be viewed by attackers. Highly sensitive information such as passwords should never be saved to log files.
- Avoid inconsistent messaging that might accidentally tip off an attacker about internal state, such as whether a user account exists or not.
- In the context of path traversal, error messages which disclose path information can help attackers craft the appropriate attack strings to move through the file system hierarchy.
Mitigation ID: MIT-16
Phases: Operation, Implementation
Strategy: Environment Hardening
Description:
- When using PHP, configure the application so that it does not use register_globals. During implementation, develop the application so that it does not rely on this feature, but be wary of implementing a register_globals emulation that is subject to weaknesses such as CWE-95, CWE-621, and similar issues.
CAPEC-126: Path Traversal
An adversary uses path manipulation methods to exploit insufficient input validation of a target to obtain access to data that should be not be retrievable by ordinary well-formed requests. A typical variety of this attack involves specifying a path to a desired file together with dot-dot-slash characters, resulting in the file access API or function traversing out of the intended directory structure and into the root file system. By replacing or modifying the expected path information the access function or API retrieves the file desired by the attacker. These attacks either involve the attacker providing a complete path to a targeted file or using control characters (e.g. path separators (/ or \) and/or dots (.)) to reach desired directories or files.
CAPEC-64: Using Slashes and URL Encoding Combined to Bypass Validation Logic
This attack targets the encoding of the URL combined with the encoding of the slash characters. An attacker can take advantage of the multiple ways of encoding a URL and abuse the interpretation of the URL. A URL may contain special character that need special syntax handling in order to be interpreted. Special characters are represented using a percentage character followed by two digits representing the octet code of the original character (%HEX-CODE). For instance US-ASCII space character would be represented with %20. This is often referred as escaped ending or percent-encoding. Since the server decodes the URL from the requests, it may restrict the access to some URL paths by validating and filtering out the URL requests it received. An attacker will try to craft an URL with a sequence of special characters which once interpreted by the server will be equivalent to a forbidden URL. It can be difficult to protect against this attack since the URL can contain other format of encoding such as UTF-8 encoding, Unicode-encoding, etc.
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.
CAPEC-78: Using Escaped Slashes in Alternate Encoding
This attack targets the use of the backslash in alternate encoding. An adversary can provide a backslash as a leading character and causes a parser to believe that the next character is special. This is called an escape. By using that trick, the adversary tries to exploit alternate ways to encode the same character which leads to filter problems and opens avenues to attack.
CAPEC-79: Using Slashes in Alternate Encoding
This attack targets the encoding of the Slash characters. An adversary would try to exploit common filtering problems related to the use of the slashes characters to gain access to resources on the target host. Directory-driven systems, such as file systems and databases, typically use the slash character to indicate traversal between directories or other container components. For murky historical reasons, PCs (and, as a result, Microsoft OSs) choose to use a backslash, whereas the UNIX world typically makes use of the forward slash. The schizophrenic result is that many MS-based systems are required to understand both forms of the slash. This gives the adversary many opportunities to discover and abuse a number of common filtering problems. The goal of this pattern is to discover server software that only applies filters to one version, but not the other.