CVE-2017-7748

Description

In Wireshark 2.2.0 to 2.2.5 and 2.0.0 to 2.0.11, the WSP dissector could go into an infinite loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-wsp.c by adding a length check.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.42%
Vendor Advisory wireshark.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=f55cbcde2c8f74b652add4450b0592082eb6acff
https://www.wireshark.org/security/wnpa-sec-2017-21.html vendor advisory
http://www.securityfocus.com/bid/97628 vdb entry third party advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13581 issue tracking patch

Frequently Asked Questions

What is the severity of CVE-2017-7748?
CVE-2017-7748 has been scored as a high severity vulnerability.
How to fix CVE-2017-7748?
To fix CVE-2017-7748, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7748 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-7748 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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