Vulnerability Details : CVE-2017-7704
In Wireshark 2.2.0 to 2.2.5, the DOF dissector could go into an infinite loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-dof.c by using a different integer data type and adjusting a return value.
Exploit prediction scoring system (EPSS) score for CVE-2017-7704
Probability of exploitation activity in the next 30 days: 0.26%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 64 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-7704
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
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-2017-7704
-
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-7704
-
http://www.securityfocus.com/bid/97634
Wireshark DOF Dissector 'packet-dof.c' Infinite Loop Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=6032b0fe5fc1176ab77e03e20765f95fbd21b19e
code.wireshark Code Review - wireshark.git/commitIssue Tracking;Patch;Vendor Advisory
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https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=da53a90b6895e47e03c5de05edf84bd99d535fd8
code.wireshark Code Review - wireshark.git/commitIssue Tracking;Patch;Vendor Advisory
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https://www.wireshark.org/security/wnpa-sec-2017-17.html
Wireshark · wnpa-sec-2017-17 · DOF dissector infinite loopVendor Advisory
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http://www.securitytracker.com/id/1038262
Wireshark Multiple Bugs Lets Remote Users Deny Service - SecurityTracker
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https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13453
13453 – Buildbot crash output: fuzz-2017-03-04-4648.pcapIssue Tracking;Patch
-
https://security.gentoo.org/glsa/201706-12
Wireshark: Multiple vulnerabilities (GLSA 201706-12) — Gentoo security
Products affected by CVE-2017-7704
- cpe:2.3:a:wireshark:wireshark:2.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.2.3:*:*:*:*:*:*:*