Arch Linux Security Advisory ASA-201708-10
=========================================
Severity: High
Date    : 2017-08-14
CVE-ID  : CVE-2017-9058
Package : libytnef
Type    : arbitrary code execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-275

Summary
======
The package libytnef before version 1.9.2-2 is vulnerable to arbitrary
code execution.

Resolution
=========
Upgrade to 1.9.2-2.

# pacman -Syu "libytnef>=1.9.2-2"

The problem has been fixed upstream but no release is available yet.

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

Description
==========
A heap-buffer-overflow vulnerability has been found in the libytnef in
the lib/ytnef.c module.

Impact
=====
A remote attacker can execute arbitrary code on the affected host via a
crafted tnef file.

References
=========
https://raw.githubusercontent.com/bingosxs/fuzzdata/master/ytnef-1.9/TNEFFreeMapiProps-Invalid-read.tnef
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=862556
https://security.archlinux.org/CVE-2017-9058

ArchLinux: 201708-10: libytnef: arbitrary code execution

August 15, 2017

Summary

A heap-buffer-overflow vulnerability has been found in the libytnef in the lib/ytnef.c module.

Resolution

Upgrade to 1.9.2-2. # pacman -Syu "libytnef>=1.9.2-2"
The problem has been fixed upstream but no release is available yet.

References

https://raw.githubusercontent.com/bingosxs/fuzzdata/master/ytnef-1.9/TNEFFreeMapiProps-Invalid-read.tnef https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=862556 https://security.archlinux.org/CVE-2017-9058

Severity
Package : libytnef
Type : arbitrary code execution
Remote : Yes
Link : https://security.archlinux.org/AVG-275

Workaround

None.

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