CVE-2017-7702

Description

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

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.53%
Vendor Advisory gentoo.org Vendor Advisory wireshark.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/97633 vdb entry third party advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=2f322f66cbcca2fefdaa630494f9d6c97eb659b7
http://www.securitytracker.com/id/1038262 vdb entry
https://security.gentoo.org/glsa/201706-12 vendor advisory
https://www.wireshark.org/security/wnpa-sec-2017-13.html vendor advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13477 issue tracking patch

Frequently Asked Questions

What is the severity of CVE-2017-7702?
CVE-2017-7702 has been scored as a high severity vulnerability.
How to fix CVE-2017-7702?
To fix CVE-2017-7702, 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-2017-7702 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-7702 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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