Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2016-6504 — NULL Pointer Dereference in Wireshark

CWE-476 — NULL Pointer Dereference6 documents6 sources
Severity
5.9MEDIUMNVD
EPSS
2.0%
top 16.25%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
2
WiresharkDebian Wireshark
Timeline
PublishedAug 6
Latest updateMay 17

Description

epan/dissectors/packet-ncp2222.inc in the NDS dissector in Wireshark 1.12.x before 1.12.13 does not properly maintain a ptvc data structure, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet.

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.2 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/wireshark< wireshark 2.0 (bookworm)
▶Debianwireshark/wireshark< 2.0+3
▶NVDwireshark/wireshark13 versions+12

🔴Vulnerability Details

2
GHSA
GHSA-j2vp-v494-6r6f: epan/dissectors/packet-ncp2222↗2022-05-17
▶
OSV
CVE-2016-6504: epan/dissectors/packet-ncp2222↗2016-08-06
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💥Exploits & PoCs

1
Exploit-DB
Wireshark 1.12.0 < 1.12.12 - NDS Dissector Denial of Service↗2016-08-03
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📋Vendor Advisories

1
Debian
CVE-2016-6504: wireshark - epan/dissectors/packet-ncp2222.inc in the NDS dissector in Wireshark 1.12.x befo...↗2016
▶

💬Community

1
Bugzilla
CVE-2016-6504 wireshark: NDS dissector crash (wnpa-sec-2016-40) [fedora-all]↗2016-07-28
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