Vulnerability Details : CVE-2017-13764
In Wireshark 2.4.0, the Modbus dissector could crash with a NULL pointer dereference. This was addressed in epan/dissectors/packet-mbtcp.c by adding length validation.
Vulnerability category: Memory Corruption
Products affected by CVE-2017-13764
- cpe:2.3:a:wireshark:wireshark:2.4.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-13764
0.28%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 64 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-13764
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2017-13764
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-13764
-
http://www.securitytracker.com/id/1039254
Wireshark MSDP/Profinet I/O/Modbus/IrCOMM Dissector Bugs Lets Remote Users Cause Denial of Service Conditions - SecurityTracker
-
http://www.securityfocus.com/bid/100545
Wireshark Modbus Dissector CVE-2017-13764 Denial of Service Vulnerability
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https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13925
13925 – Crash when opening Modbus Unity pcapIssue Tracking;Patch;Vendor Advisory
-
https://www.wireshark.org/security/wnpa-sec-2017-40.html
Wireshark · wnpa-sec-2017-40 · Modbus dissector crashVendor Advisory
-
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=b87ffbd12bddf64582c0a6e082b462744474de94
code.wireshark Code Review - wireshark.git/commitIssue Tracking;Patch;Vendor Advisory
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