CVE-2013-7459: Buffer Overflow

Published Jan 3, 2017
·
Updated

A heap-buffer overflow vulnerability was discovered in cryptopp. This vulnerability can be used to remotely gain access to shell.

References:

http://seclists.org/oss-sec/2016/q4/760 https://pony7.fr/ctf:public:32c3:cryptmsg

Upstream bug:

https://github.com/dlitz/pycrypto/issues/176

Other sources

Heap-based buffer overflow in the ALGnew function in blocktemplace.c in Python Cryptography Toolkit (aka pycrypto) allows remote attackers to execute arbitrary code as demonstrated by a crafted iv parameter to cryptmsg.py.

GitHub

Affected Software

4 affected components
pip/pycrypto<=2.6.1
dlitz pycrypto<=2.6.1
Fedoraproject Fedora=24
Fedoraproject Fedora=25

Event History

Jan 3, 2017
Data Sourced
via Red Hat·09:13 AM
DescriptionSeverityAffected Software
Feb 15, 2017
CVE Published
via MITRE·03:00 PM
Data Sourced
via MITRE·03:00 PM
Description
Data Sourced
via NVD·03:59 PM
RemedyDescriptionSeverityWeaknessAffected Software
Dec 14, 2018
Advisory Published
via GitHub·06:51 PM

Frequently Asked Questions

1

What is the severity of CVE-2013-7459?

CVE-2013-7459 is classified as a high severity vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2013-7459?

To fix CVE-2013-7459, update the affected software to a version that is not vulnerable, such as upgrading pycrypto to a version later than 2.6.1.

3

What software is affected by CVE-2013-7459?

CVE-2013-7459 affects pycrypto versions up to and including 2.6.1, as well as Fedora versions 24 and 25.

4

What type of vulnerability is CVE-2013-7459?

CVE-2013-7459 is a heap-buffer overflow vulnerability that can lead to remote shell access.

5

Can CVE-2013-7459 be exploited remotely?

Yes, CVE-2013-7459 can be exploited remotely, potentially allowing attackers to gain unauthorized access.

Contact

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