Vulnerability Details : CVE-2018-9256
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.
Vulnerability category: Input validation
Products affected by CVE-2018-9256
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-9256
0.25%
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-2018-9256
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-2018-9256
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-9256
-
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14467
14467 – Crafted LWAPP Layer 3 Packet causes stack-overflowExploit;Issue Tracking
-
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=dac48f148538c706c446e5105d84ebcb54587528
code.wireshark Code Review - wireshark.git/commitPatch
-
https://www.wireshark.org/security/wnpa-sec-2018-20.html
Wireshark · wnpa-sec-2018-20 · LWAPP dissector crashVendor Advisory
-
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
[SECURITY] [DLA 1634-1] wireshark security updateMailing List;Third Party Advisory
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