Multiple DoS vulnerabilities in Wireshark

Description

Multiple serious vulnerabilities have been found in Wireshark. Malicious users can exploit these vulnerabilities to cause denial of service.

Below is a complete list of vulnerabilities:

1. A recursion depth error in epan/tvbparse.c can be exploited remotely via a malformed packet to cause denial of service;
2. An validating error in in epan/dissectors/packet-mrdisc.c can be exploited remotely via a malformed packet to cause denial of service;
3. A bounds check error in wiretap/vwr.c can be exploited remotely via a malformed packet to cause denial of service;
4. Buffer length validating error in in epan/dissectors/packet-wcp.c can be exploited remotely via a malformed packet to cause denial of service;

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Technical details

Vulnerability (2) affects only Wireshark 2.2.x versions

NB: This vulnerability does not have any public CVSS rating, so rating can be changed by the time.

Original advisories

• wnpa-sec-2018-02

• wnpa-sec-2018-04
• wnpa-sec-2018-01
• wnpa-sec-2018-03

Related products

• Wireshark

CVE list

• CVE-2018-5334
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• CVE-2018-5336
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• CVE-2018-5335
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• CVE-2017-17997
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Read more

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