Vulnerability Details : CVE-2018-7323
In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, epan/dissectors/packet-wccp.c had a large loop that was addressed by ensuring that a calculated length was monotonically increasing.
Exploit prediction scoring system (EPSS) score for CVE-2018-7323
Probability of exploitation activity in the next 30 days: 0.24%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 62 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-7323
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
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-2018-7323
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The product performs an iteration or loop without sufficiently limiting the number of times that the loop is executed.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-7323
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https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=5d45b69b590cabc5127282d1ade3bca1598e5f5c
code.wireshark Code Review - wireshark.git/commitPatch;Vendor Advisory
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https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=4f9199ea8cff56c6704e9828c3d80360b27c4565
code.wireshark Code Review - wireshark.git/commitPatch;Vendor Advisory
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http://www.securityfocus.com/bid/103158
Wireshark Multiple Denial of Service VulnerabilitiesThird Party Advisory;VDB Entry
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https://lists.debian.org/debian-lts-announce/2018/04/msg00018.html
[SECURITY] [DLA 1353-1] wireshark security updateMailing List;Third Party Advisory
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https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14412
14412 – [oss-fuzz] WCCP: very long loop (dissect_wccp2_alternate_mask_value_set_element)Issue Tracking;Vendor Advisory
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https://www.wireshark.org/security/wnpa-sec-2018-06.html
Wireshark · wnpa-sec-2018-06 · Large or infinite loops in multiple dissectorsVendor Advisory
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https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
[SECURITY] [DLA 1634-1] wireshark security updateMailing List;Third Party Advisory
Products affected by CVE-2018-7323
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*