Gentoo: GLSA-201702-14 Moderate: PyCrypto Remote Code Execution
gentoo
February 21, 2017
A heap-based buffer overflow in PyCrypto might allow remote attackers to execute arbitrary code.
Summary
A heap-based buffer overflow vulnerability has been discovered in PyCrypto. Please review the CVE identifier referenced below for details.
Resolution
All PyCrypto users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-python/pycrypto-2.6.1-r2"
References
[ 1 ] CVE-2013-7459 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-7459
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201702-14
style>.gentoo_availability{display:block;}
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
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Severity: Normal
Title: PyCrypto: Remote execution of arbitrary code
Date: February 20, 2017
Bugs: #576494
ID: 201702-14
Background
The Python Cryptography Toolkit (PyCrypto) is a collection of both
secure hash functions (such as SHA256 and RIPEMD160), and various
encryption algorithms (AES, DES, RSA, ElGamal, etc.).
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-python/pycrypto < 2.6.1-r2 >= 2.6.1-r2
Impact
=====
A remote attacker, able to control the mode of operation in PyCrypto's
AES module, could possibly execute arbitrary code with the privileges
of the process or cause a Denial of Service condition.
Workaround
There is no known workaround at this time.
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