Vulnerability Details : CVE-2017-6472
In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is an RTMPT dissector infinite loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-rtmpt.c by properly incrementing a certain sequence value.
Exploit prediction scoring system (EPSS) score for CVE-2017-6472
Probability of exploitation activity in the next 30 days: 0.22%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 60 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-6472
| 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-2017-6472
-
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-2017-6472
-
http://www.securityfocus.com/bid/96571
Wireshark RTMPT Dissector 'dissectors/packet-rtmpt.c' Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://www.wireshark.org/security/wnpa-sec-2017-04.html
Wireshark · wnpa-sec-2017-04 · RTMPT dissector infinite loopVendor Advisory
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https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13347
13347 – Fuzzed PCAP causes large memory usage in dissect_rtmptIssue Tracking;Patch;Vendor Advisory
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http://www.debian.org/security/2017/dsa-3811
Debian -- Security Information -- DSA-3811-1 wiresharkThird Party Advisory
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https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=2b3a0909beff8963b390034c594e0b6be6a4e531
code.wireshark Code Review - wireshark.git/commitIssue Tracking;Patch;Vendor Advisory
Products affected by CVE-2017-6472
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*