Vulnerability Details : CVE-2017-7745
In Wireshark 2.2.0 to 2.2.5 and 2.0.0 to 2.0.11, the SIGCOMP dissector could go into an infinite loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-sigcomp.c by correcting a memory-size check.
Products affected by CVE-2017-7745
- cpe:2.3:a:wireshark:wireshark:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.0.8:*:*:*:*:*:*:*
- 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:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-7745
0.32%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 67 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-7745
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
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-2017-7745
-
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-2017-7745
-
https://www.wireshark.org/security/wnpa-sec-2017-20.html
Wireshark · wnpa-sec-2017-20 · SIGCOMP dissector infinite loopVendor Advisory
-
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=acd8e1a9b17ad274bea1e01e10e4481508a1cbf0
code.wireshark Code Review - wireshark.git/commitIssue Tracking;Patch;Vendor Advisory
-
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13578
13578 – libfuzzer: sigcomp dissector loopIssue Tracking;Patch
-
http://www.securityfocus.com/bid/97627
Wireshark SIGCOMP Dissector 'packet-sigcomp.c' Infinite Loop Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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