Input validation error in Wireshark - CVE-2016-6512
Published: August 7, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32094
CSH Severity: Medium
CVSS v4.0: 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-2016-6512
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Wireshark.org
Affected software:
Wireshark
Wireshark
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
epan/dissectors/packet-wap.c in Wireshark 2.x before 2.0.5 omits an overflow check in the tvb_get_guintvar function, which allows remote attackers to cause a denial of service (infinite loop) via a crafted packet, related to the MMSE, WAP, WBXML, and WSP dissectors.
How to mitigate CVE-2016-6512
Install update from vendor's website.
Sources
- http://openwall.com/lists/oss-security/2016/07/28/3
- http://www.securityfocus.com/bid/92174
- http://www.securitytracker.com/id/1036480
- http://www.wireshark.org/security/wnpa-sec-2016-48.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12661
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=2193bea3212d74e2a907152055e27d409b59485e
- https://www.exploit-db.com/exploits/40195/