Division by zero in Wireshark - CVE-2016-6505
Published: August 7, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32251
CSH Severity: Medium
CVSS v4: 8.2 [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]
CVE-ID: CVE-2016-6505
CWE-ID: CWE-369
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to divide-by-zero error within epan/dissectors/packet-packetbb.c in the PacketBB dissector in Wireshark 1.12.x before 1.12.13 and 2.x before 2.0.5. A remote attacker can perform a denial of service (divide-by-zero error and application crash) via a crafted packet.
Affected software
Wireshark
wireshark (Alpine package)
wireshark (Alpine package)
How to mitigate CVE-2016-6505
Update to version 1.12.13.
Wireshark - update to 1.12.13
wireshark (Alpine package) - update to 1.12.13-r0
wireshark (Alpine package) - update to 1.12.13-r0
External References
- http://openwall.com/lists/oss-security/2016/07/28/3
- http://www.debian.org/security/2016/dsa-3648
- http://www.securityfocus.com/bid/92163
- http://www.securitytracker.com/id/1036480
- http://www.wireshark.org/security/wnpa-sec-2016-41.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12577
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=94e97e45cf614c7bb8fe90c23df52910246b2c95
- https://www.exploit-db.com/exploits/40197/