ASA-201609-28 log original external raw
[ASA-201609-28] lib32-openssl: denial of service |
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Arch Linux Security Advisory ASA-201609-28
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Severity: Medium
Date : 2016-09-27
CVE-ID : CVE-2016-7052
Package : lib32-openssl
Type : denial of service
Remote : Yes
Link : https://security.archlinux.org/AVG-34
Summary
=======
The package lib32-openssl before version 1:1.0.2.j-1 is vulnerable to
denial of service.
Resolution
==========
Upgrade to 1:1.0.2.j-1.
# pacman -Syu "lib32-openssl>=1:1.0.2.j-1"
The problem has been fixed upstream in version 1.0.2.j.
Workaround
==========
None.
Description
===========
A bug fix which included a CRL sanity check was added to OpenSSL 1.1.0
but was omitted from OpenSSL 1.0.2i. As a result any attempt to use
CRLs in OpenSSL 1.0.2i will crash with a null pointer exception.
The issue was reported to OpenSSL on 22nd September 2016 by Bruce
Stephens and Thomas Jakobi.
Impact
======
A remote attacker is able to perform a denial of service attack by
using a certificate revocation list.
References
==========
https://www.openssl.org/news/secadv/20160926.txt
https://security.archlinux.org/CVE-2016-7052
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