Vulnerability Details : CVE-2018-7320
In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, the SIGCOMP protocol dissector could crash. This was addressed in epan/dissectors/packet-sigcomp.c by validating operand offsets.
Products affected by CVE-2018-7320
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-7320
0.70%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-7320
| 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 |
References for CVE-2018-7320
-
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14398
14398 – [oss-fuzz] ASAN: heap-buffer-overflow epan/dissectors/packet-sigcomp.c:1353:16 in dissect_udvm_reference_operand_memoryIssue Tracking;Vendor Advisory
-
http://www.securityfocus.com/bid/103160
Wireshark SIGCOMP Dissector CVE-2018-7320 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://www.wireshark.org/security/wnpa-sec-2018-10.html
Wireshark · wnpa-sec-2018-10 · SIGCOMP dissector crashVendor Advisory
-
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=015e3399390b8b5cfbfcfcda30589983ab6cc129
code.wireshark Code Review - wireshark.git/commitPatch;Vendor Advisory
-
https://www.debian.org/security/2018/dsa-4217
Debian -- Security Information -- DSA-4217-1 wiresharkThird Party Advisory
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