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Test Kennung:1.3.6.1.4.1.25623.1.0.120402
Kategorie:Amazon Linux Local Security Checks
Titel:Amazon Linux: Security Advisory (ALAS-2014-380)
Zusammenfassung:The remote host is missing an update announced via the referenced Security Advisory.
Beschreibung:Summary:
The remote host is missing an update announced via the referenced Security Advisory.

Vulnerability Insight:
It was reported that Python built-in _json module have a flaw (insufficient bounds checking), which allows a local user to read current process's arbitrary memory.Quoting the upstream bug report:The sole prerequisites of this attack are that the attacker is able to control or influence the two parameters of the default scanstring function: the string to be decoded and the index.The bug is caused by allowing the user to supply a negative index value. The index value is then used directly as an index to an array in the C code. Internally the address of the array and its index are added to each other in order to yield the address of the value that is desired. However, by supplying a negative index value and adding this to the address of the array, the processor's register value wraps around and the calculated value will point to a position in memory which isn't within the bounds of the supplied string, causing the function to access other parts of the process memory.

Solution:
Run yum update python27 to update your system.

CVSS Score:
4.3

CVSS Vector:
AV:N/AC:M/Au:N/C:P/I:N/A:N

Querverweis: Common Vulnerability Exposure (CVE) ID: CVE-2014-4616
BugTraq ID: 68119
http://www.securityfocus.com/bid/68119
https://security.gentoo.org/glsa/201503-10
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=752395
https://hackerone.com/reports/12297
http://openwall.com/lists/oss-security/2014/06/24/7
RedHat Security Advisories: RHSA-2015:1064
http://rhn.redhat.com/errata/RHSA-2015-1064.html
SuSE Security Announcement: openSUSE-SU-2014:0890 (Google Search)
http://lists.opensuse.org/opensuse-updates/2014-07/msg00015.html
CopyrightCopyright (C) 2015 Eero Volotinen

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