Executive Summary

Informations
NameCVE-2018-20843First vendor Publication2019-06-24
VendorCveLast vendor Modification2019-06-26

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:C)
Cvss Base Score7.8Attack RangeNetwork
Cvss Impact Score6.9Attack ComplexityLow
Cvss Expoit Score10AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores

Detail

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).

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20843

CWE : Common Weakness Enumeration

%idName
100 %CWE-611Information Leak Through XML External Entity File Disclosure

CPE : Common Platform Enumeration

TypeDescriptionCount
Application21

Sources (Detail)

SourceUrl
BUGTRAQ https://seclists.org/bugtraq/2019/Jun/39
CONFIRM https://security.netapp.com/advisory/ntap-20190703-0001/
DEBIAN https://www.debian.org/security/2019/dsa-4472
MISC https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226
https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changes
https://github.com/libexpat/libexpat/issues/186
https://github.com/libexpat/libexpat/pull/262
https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9...
MLIST https://lists.debian.org/debian-lts-announce/2019/06/msg00028.html
UBUNTU https://usn.ubuntu.com/4040-1/
https://usn.ubuntu.com/4040-2/

Alert History

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DateInformations
2019-07-03 17:19:07
  • Multiple Updates
2019-06-30 21:19:24
  • Multiple Updates
2019-06-28 21:19:32
  • Multiple Updates
2019-06-27 05:19:10
  • Multiple Updates
2019-06-25 21:19:15
  • Multiple Updates
2019-06-24 21:19:44
  • First insertion