Current Description
In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the LWAPP dissector could crash. This was addressed in epan/dissectors/packet-lwapp.c by limiting the encapsulation levels to restrict the recursion depth.
Source:
MITRE
Description Last Modified:
04/04/2018
View Analysis Description
Analysis Description
In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the LWAPP dissector could crash. This was addressed in epan/dissectors/packet-lwapp.c by limiting the encapsulation levels to restrict the recursion depth.
Source:
MITRE
Description Last Modified:
04/04/2018
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
7.5 HIGH
Vector:
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
(V3 legend)
Impact Score:
3.6
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
(V2 legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
Access Vector (AV):
Network
Access Complexity (AC):
Low
Authentication (AU):
None
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Partial
Additional Information:
Allows disruption of service
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Change History
1 change record found
- show changes
Initial Analysis -
4/17/2018 1:31:28 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* versions from (including) 2.2.0 up to (including) 2.2.13
*cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* versions from (including) 2.4.0 up to (including) 2.4.5 |
| Added |
CVSS V2 |
|
(AV:N/AC:L/Au:N/C:N/I:N/A:P) |
| Added |
CVSS V3 |
|
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Added |
CWE |
|
CWE-20 |
| Changed |
Reference Type |
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14467 No Types Assigned |
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14467 Exploit, Issue Tracking |
| Changed |
Reference Type |
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=dac48f148538c706c446e5105d84ebcb54587528 No Types Assigned |
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=dac48f148538c706c446e5105d84ebcb54587528 Patch |
| Changed |
Reference Type |
https://www.wireshark.org/security/wnpa-sec-2018-20.html No Types Assigned |
https://www.wireshark.org/security/wnpa-sec-2018-20.html Vendor Advisory |