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Python < 2.7.14, 3.3.x < 3.3.7, 3.4.x < 3.4.7, 3.5.x < 3.5.4, 3.6.x < 3.6.2 Expat 2.2.1 (bpo-30694) - Mac OS X
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
'Expat' in Python is prone to multiple vulnerabilities.
Insight
Insight
The following vulnerabilities exist: - CVE-2012-0876: The XML parser (xmlparse.c) in expat computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via an XML file with many identifiers with the same value. - CVE-2016-0718: Expat allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a malformed input document, which triggers a buffer overflow. - CVE-2016-9063: An integer overflow during the parsing of XML using the Expat library. This vulnerability affects Firefox < 50. - CVE-2017-9233: XML External Entity vulnerability in libexpat 2.2.0 and earlier (Expat XML Parser Library) allows attackers to put the parser in an infinite loop using a malformed external entity definition from an external DTD.
Affected Software
Affected Software
Python prior to version 2.7.14, versions 3.3.x prior to 3.3.7, 3.4.x prior to 3.4.7, 3.5.x priot to 3.5.4 and 3.6.x prior to 3.6.2.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 2.7.14, 3.3.7, 3.4.7, 3.5.4, 3.6.2 or later.