CVE-2013-7459

Publication date 15 February 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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

Status

Show unmaintained releases

Package	Ubuntu Release	Status
python-crypto	17.04 zesty	Not affected
	16.10 yakkety	Fixed 2.6.1-6ubuntu0.16.10.2
	16.04 LTS xenial	Fixed 2.6.1-6ubuntu0.16.04.1
	14.04 LTS trusty	Fixed 2.6.1-4ubuntu0.1
	12.04 LTS precise	Ignored end of life

Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3199-2
Python Crypto regression
17 February 2017

USN-3199-1
Python Crypto vulnerability
16 February 2017