Attacker Value
Unknown
CVE-2018-20843
CVE-2018-20843
(Last updated November 08, 2023) ▾
MITRE ATT&CK
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Description
In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
7.5 High
Impact Score:
3.6
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
General Information
Vendors
- canonical,
- debian,
- fedoraproject,
- libexpat project,
- opensuse,
- oracle,
- tenable
Products
- debian linux 8.0,
- debian linux 9.0,
- fedora 29,
- fedora 30,
- hospitality res 3700,
- http server 12.1.3.0,
- http server 12.2.1.4.0,
- leap 15.0,
- leap 15.1,
- libexpat,
- nessus,
- outside in technology 8.5.4,
- outside in technology 8.5.5,
- ubuntu linux 12.04,
- ubuntu linux 14.04,
- ubuntu linux 16.04,
- ubuntu linux 18.04,
- ubuntu linux 18.10,
- ubuntu linux 19.04
References
Advisory
Miscellaneous
