Vulnerability Mapping:ALLOWEDThis CWE ID may be used to map to real-world vulnerabilities Abstraction:
VariantVariant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
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Description
The product accepts path input in the form of leading space (' filedir') without appropriate validation, which can lead to ambiguous path resolution and allow an attacker to traverse the file system to unintended locations or access arbitrary files.
Common Consequences
This table specifies different individual consequences
associated with the weakness. The Scope identifies the application security area that is
violated, while the Impact describes the negative technical impact that arises if an
adversary succeeds in exploiting this weakness. The Likelihood provides information about
how likely the specific consequence is expected to be seen relative to the other
consequences in the list. For example, there may be high likelihood that a weakness will be
exploited to achieve a certain impact, but a low likelihood that it will be exploited to
achieve a different impact.
Impact
Details
Read Files or Directories; Modify Files or Directories
This table shows the weaknesses and high level categories that are related to this
weakness. These relationships are defined as ChildOf, ParentOf, MemberOf and give insight to
similar items that may exist at higher and lower levels of abstraction. In addition,
relationships such as PeerOf and CanAlsoBe are defined to show similar weaknesses that the user
may want to explore.
Relevant to the view "Research Concepts" (View-1000)
Nature
Type
ID
Name
ChildOf
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
The different Modes of Introduction provide information
about how and when this
weakness may be introduced. The Phase identifies a point in the life cycle at which
introduction
may occur, while the Note provides a typical scenario related to introduction during the
given
phase.
Phase
Note
Implementation
Applicable Platforms
This listing shows possible areas for which the given
weakness could appear. These
may be for specific named Languages, Operating Systems, Architectures, Paradigms,
Technologies,
or a class of such platforms. The platform is listed along with how frequently the given
weakness appears for that instance.
Languages
Class: Not Language-Specific
(Undetermined Prevalence)
Weakness Ordinalities
Ordinality
Description
Resultant
(where the weakness is typically related to the presence of some other weaknesses)
Functional Areas
File Processing
Affected Resources
File or Directory
Memberships
This MemberOf Relationships table shows additional CWE Categories and Views that
reference this weakness as a member. This information is often useful in understanding where a
weakness fits within the context of external information sources.
Nature
Type
ID
Name
MemberOf
Category - a CWE entry that contains a set of other entries that share a common characteristic.
(this CWE ID may be used to map to real-world vulnerabilities)
Reason
Acceptable-Use
Rationale
This CWE entry is at the Variant level of abstraction, which is a preferred level of abstraction for mapping to the root causes of vulnerabilities.
Comments
Carefully read both the name and description to ensure that this mapping is an appropriate fit. Do not try to 'force' a mapping to a lower-level Base/Variant simply to comply with this preferred level of abstraction.
Taxonomy
Mappings
Mapped Taxonomy Name
Node ID
Fit
Mapped Node Name
PLOVER
Leading Space - ' filedir'
Software Fault Patterns
SFP16
Path Traversal
Content
History
Submissions
Submission Date
Submitter
Organization
2006-07-19
(CWE Draft 3, 2006-07-19)
PLOVER
Modifications
Modification Date
Modifier
Organization
2025-12-11
(CWE 4.19, 2025-12-11)
CWE Content Team
MITRE
updated Weakness_Ordinalities
2025-09-09
(CWE 4.18, 2025-09-09)
CWE Content Team
MITRE
updated Affected_Resources, Functional_Areas
2023-06-29
CWE Content Team
MITRE
updated Mapping_Notes
2023-04-27
CWE Content Team
MITRE
updated Relationships
2023-01-31
CWE Content Team
MITRE
updated Description
2020-02-24
CWE Content Team
MITRE
updated Relationships
2017-11-08
CWE Content Team
MITRE
updated Applicable_Platforms
2014-07-30
CWE Content Team
MITRE
updated Relationships, Taxonomy_Mappings
2012-10-30
CWE Content Team
MITRE
updated Potential_Mitigations
2012-05-11
CWE Content Team
MITRE
updated Relationships
2011-06-01
CWE Content Team
MITRE
updated Common_Consequences
2008-09-08
CWE Content Team
MITRE
updated Relationships, Taxonomy_Mappings
2008-07-01
Eric Dalci
Cigital
updated Time_of_Introduction
Previous Entry Names
Change Date
Previous Entry Name
2008-04-11
Path Issue - Leading Space - ' filedir'
2010-09-27
Path Equivalence: ' filename (Leading Space)
More information is available — Please edit the custom filter or select a different filter.
Description
This table specifies different individual consequences
associated with the weakness. The Scope identifies the application security area that is
violated, while the Impact describes the negative technical impact that arises if an
adversary succeeds in exploiting this weakness. The Likelihood provides information about
how likely the specific consequence is expected to be seen relative to the other
consequences in the list. For example, there may be high likelihood that a weakness will be
exploited to achieve a certain impact, but a low likelihood that it will be exploited to
achieve a different impact.
