Bug 1623060 (CVE-2018-15560)

Summary:	CVE-2018-15560 python-pycryptodomex: Integer overflow in he data_len variable in AESNI.c
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED CURRENTRELEASE	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	pikachu.2014
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	python-pycryptodomex 3.6.6	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-11-21 13:06:52 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1623062
Bug Blocks:

Description Andrej Nemec 2018-08-28 12:28:31 UTC

PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.

Upstream issue:

https://github.com/Legrandin/pycryptodome/issues/198

References:

https://whitehatck01.blogspot.com/2018/08/integer-overflow-vulnerability-in.html

Comment 1 Andrej Nemec 2018-08-28 12:30:51 UTC

Created python-pycryptodomex tracking bugs for this issue:

Affects: fedora-all [bug 1623062]