CVE-2015-8721: Input Validation

Published Jan 4, 2016

Updated

Buffer overflow in the tvbuncompress function in epan/tvbuffzlib.c in Wireshark 1.12.x before 1.12.9 and 2.0.x before 2.0.1 allows remote attackers to cause a denial of service (application crash) via a crafted packet with zlib compression.

Affected Software

9 affected components

Wireshark Wireshark=1.12.0

Wireshark Wireshark=1.12.1

Wireshark Wireshark=1.12.2

Wireshark Wireshark=1.12.3

Wireshark Wireshark=1.12.4

Wireshark Wireshark=1.12.5

Wireshark Wireshark=1.12.6

Wireshark Wireshark=1.12.7

Wireshark Wireshark=1.12.8

Event History

Jan 4, 2016

CVE Published

via MITRE·02:00 AM

Data Sourced

via MITRE·02:00 AM

Description

Frequently Asked Questions

What is the severity of CVE-2015-8721?

CVE-2015-8721 has a severity rating that could lead to a denial of service due to a buffer overflow vulnerability.

How do I fix CVE-2015-8721?

To fix CVE-2015-8721, you should update Wireshark to version 1.12.9 or later for the 1.12.x series, or version 2.0.1 or later for the 2.0.x series.

Which versions of Wireshark are affected by CVE-2015-8721?

Wireshark versions 1.12.0 to 1.12.8 and 2.0.0 are affected by CVE-2015-8721.

What types of attacks could exploit CVE-2015-8721?

CVE-2015-8721 can be exploited by remote attackers through crafted packets with zlib compression to cause application crashes.

What component of Wireshark is impacted by CVE-2015-8721?

CVE-2015-8721 impacts the tvb_uncompress function in the epan/tvbuff_zlib.c file of Wireshark.