Arch Linux Security Advisory ASA-201512-19
=========================================
Severity: Low
Date    : 2015-12-28
CVE-ID  : N/A
Package : openvpn
Type    : out-of-bound error
Remote  : Yes
Link    : https://wiki.archlinux.org/title/CVE

Summary
======
The package openvpn before version 2.3.9-1 is vulnerable to an
out-of-bound read.

Resolution
=========
Upgrade to 2.3.9-1.

# pacman -Syu "openvpn>=2.3.9-1"

The problem has been fixed upstream in version 2.3.9.

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

Description
==========
The code always tried to copy-out a "struct sockaddr_in6" even for IPv4
results, which reads more bytes than getaddrinfo() is guaranteed to
allocate.

Impact
=====
A remote attacker might be able to cause a denial of service
(application crash) or access sensitive data.

References
=========
https://bugs.archlinux.org/task/47498
https://seclists.org/oss-sec/2015/q4/535
https://blog.fuzzing-project.org/32-Out-of-bounds-read-in-OpenVPN.html

ArchLinux: 201512-19: openvpn: out-of-bound read

December 28, 2015

Summary

The code always tried to copy-out a "struct sockaddr_in6" even for IPv4 results, which reads more bytes than getaddrinfo() is guaranteed to allocate.

Resolution

Upgrade to 2.3.9-1. # pacman -Syu "openvpn>=2.3.9-1"
The problem has been fixed upstream in version 2.3.9.

References

https://bugs.archlinux.org/task/47498 https://seclists.org/oss-sec/2015/q4/535 https://blog.fuzzing-project.org/32-Out-of-bounds-read-in-OpenVPN.html

Severity
Package : openvpn
Type : out-of-bound error
Remote : Yes
Link : https://wiki.archlinux.org/title/CVE

Workaround

None.

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