CVE-2015-3814
wireshark: IEEE 802.11 infinite loop (wnpa-sec-2015-17)
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · May 12, 2015
Updated · November 21, 2025
Description
The (1) dissect_tfs_request and (2) dissect_tfs_response functions in epan/dissectors/packet-ieee80211.c in the IEEE 802.11 dissector in Wireshark 1.10.x before 1.10.14 and 1.12.x before 1.12.5 interpret a zero value as a length rather than an error condition, which allows remote attackers to cause a denial of service (infinite loop) via a crafted packet.
Statement
This issue did not affect the versions of wireshark as shipped with Red Hat Enterprise Linux 5, 6 and 7.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 4.3AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')