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Test ID:1.3.6.1.4.1.25623.1.0.843703
Category:Ubuntu Local Security Checks
Title:Ubuntu Update for python-crypto USN-3199-2
Summary:The remote host is missing an update for the 'python-crypto'; package(s) announced via the USN-3199-2 advisory.
Description:Summary:
The remote host is missing an update for the 'python-crypto'
package(s) announced via the USN-3199-2 advisory.

Vulnerability Insight:
USN-3199-1 fixed a vulnerability in the Python Cryptography Toolkit.
Unfortunately, various programs depended on the original behavior of the Python
Cryptography Toolkit which was altered when fixing the vulnerability. This
update retains the fix for the vulnerability but issues a warning rather than
throwing an exception. Code which produces this warning should be updated
because future versions of the Python Cryptography Toolkit re-introduce the
exception.

We apologize for the inconvenience.

Original advisory details:

  It was discovered that the ALGnew function in block_template.c in the Python
  Cryptography Toolkit contained a heap-based buffer overflow vulnerability.
  A remote attacker could use this flaw to execute arbitrary code by using
  a crafted initialization vector parameter.

Affected Software/OS:
python-crypto on Ubuntu 16.10,
Ubuntu 16.04 LTS,
Ubuntu 14.04 LTS.

Solution:
Please install the updated package(s).

CVSS Score:
7.5

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2013-7459
BugTraq ID: 95122
http://www.securityfocus.com/bid/95122
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C6BWNADPLKDBBQBUT3P75W7HAJCE7M3B/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RJ37R2YLX56YZABFNAOWV4VTHTGYREAE/
https://security.gentoo.org/glsa/201702-14
https://pony7.fr/ctf:public:32c3:cryptmsg
http://www.openwall.com/lists/oss-security/2016/12/27/8
CopyrightCopyright (C) 2018 Greenbone Networks GmbH

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