CVE-2003-1564
Scores
EPSS
Percentile: 0.6%
CVSS
CVSS Score: 6.5/10
All CVSS Scores
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Privileges Required
None (N)
Describes the level of privileges an attacker must possess
User Interaction
Required (R)
Captures the requirement for a human user participation
Scope
Unchanged (U)
Determines if a successful attack impacts components beyond the vulnerable component
Confidentiality Impact
None (N)
Measures the impact to the confidentiality of information
Integrity Impact
None (N)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
High (H)
Measures the impact to the availability of the impacted component
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Medium
Describes the conditions beyond the attacker's control
Authentication
None (N)
Describes the level of privileges an attacker must possess
Confidentiality Impact
Complete
Measures the impact to the confidentiality of information
Integrity Impact
Complete
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Complete
Measures the impact to the availability of the impacted component
Description
libxml2, possibly before 2.5.0, does not properly detect recursion during entity expansion, which allows context-dependent attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, aka the “billion laughs attack.”
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Sources
CWEs
Related Vulnerabilities
Exploits
Vulnerable Software (3)
Type: Configuration
Product: libxml2
Operating System: ubuntu hardy 8.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: libxml2
Operating System: rhel 2.1
{ "fixed": "2.4.19-11.ent"}
Source: redhat
Type: Configuration
Vendor: *
Product: libxml2
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.5.0", "vulnerable": true } ], "operator": "OR"}
Source: nvd