#VU40447 Input validation error in Wireshark - CVE-2016-2525
Published: February 28, 2016 / Updated: August 9, 2020
Vulnerability identifier: #VU40447
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-2525
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Wireshark
Wireshark
Software vendor:
Wireshark.org
Wireshark.org
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
epan/dissectors/packet-http2.c in the HTTP/2 dissector in Wireshark 2.0.x before 2.0.2 does not limit the amount of header data, which allows remote attackers to cause a denial of service (memory consumption or application crash) via a crafted packet.
Remediation
Install update from vendor's website.
External links
- http://www.securitytracker.com/id/1035118
- http://www.wireshark.org/security/wnpa-sec-2016-05.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12077
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=6a47ac7624993b99966e1d813245ffb419a2d201
- https://security.gentoo.org/glsa/201604-05