Arch Linux Security Advisory ASA-201701-26
=========================================
Severity: Critical
Date    : 2017-01-15
CVE-ID  : CVE-2013-7459
Package : python-crypto
Type    : arbitrary code execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-118

Summary
======
The package python-crypto before version 2.6.1-5 is vulnerable to
arbitrary code execution.

Resolution
=========
Upgrade to 2.6.1-5.

# pacman -Syu "python-crypto>=2.6.1-5"

The problem has been fixed upstream but no release is available yet.

Workaround
=========
None.

Description
==========
A heap-buffer overflow vulnerability was discovered in pycrypto leading
to arbitrary code execution. All users of pycrypto's AES module that
allow the mode of operation to be specified by an attacker, check for
ECB explicitly and create the objects without specifying an IV are
vulnerable to this issue.

Impact
=====
A remote attacker is able to execute arbitrary code by passing certain
parameters to the AES module.

References
=========
https://github.com/pycrypto/pycrypto/issues/176
https://github.com/pycrypto/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4
https://seclists.org/oss-sec/2016/q4/760
https://security.archlinux.org/CVE-2013-7459

ArchLinux: 201701-26: python-crypto: arbitrary code execution

January 16, 2017

Summary

A heap-buffer overflow vulnerability was discovered in pycrypto leading to arbitrary code execution. All users of pycrypto's AES module that allow the mode of operation to be specified by an attacker, check for ECB explicitly and create the objects without specifying an IV are vulnerable to this issue.

Resolution

Upgrade to 2.6.1-5. # pacman -Syu "python-crypto>=2.6.1-5"
The problem has been fixed upstream but no release is available yet.

References

https://github.com/pycrypto/pycrypto/issues/176 https://github.com/pycrypto/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4 https://seclists.org/oss-sec/2016/q4/760 https://security.archlinux.org/CVE-2013-7459

Severity
Package : python-crypto
Type : arbitrary code execution
Remote : Yes
Link : https://security.archlinux.org/AVG-118

Workaround

None.

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