Multiple vulnerabilities in Wireshark

Description

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

Below is a complete list of vulnerabilities:

1. An improper handling of dividing by zero in the L2CAP dissector can be exploited remotely via a specially designed packet, which is injected onto the wire, or by convincing a user to handle a specially designed packet trace file to cause a denial of service;
2. Multiple unspecified vulnerabilities in the MSNIP, RGMP, IPv6 dissectors can be exploited remotely via a specially designed packet, which is injected onto the wire, or by convincing a user to handle a specially designed packet trace file to cause a denial of service;
3. An unspecified vulnerability in the openSAFETY dissector can be exploited remotely via a specially designed packet, which is injected onto the wire, or by convincing a user to handle a specially designed packet trace file to cause a denial of service;
4. An infinite loop in the DICOM dissector can be exploited remotely via a specially designed packet, which is injected onto the wire, or by convincing a user to handle a specially designed packet trace file to cause a denial of service;
5. Infinite loops in the DNS, SoulSeek and Bazaar dissectors can be exploited remotely via a specially designed packet, which is injected onto the wire, or by convincing a user to handle a specially designed packet trace file to cause a denial of service;
6. An out-of-bounds read in the DHCP and DOF dissectors can be exploited remotely via a specially designed packet, which is injected onto the wire, or by convincing a user to handle a specially designed packet trace file to cause a denial of service;
7. A null pointer dereference in the ROS dissector can be exploited remotely via a specially designed packet, which is injected onto the wire, or by convincing a user to handle a specially designed packet trace file to cause a denial of service;

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Technical details

In case of vulnerability (3), denial of service can be a crash or a system memory exhaustion.

Denial of service, which might become a result of exploiting vulnerabilities (5), occurs because of consuming excessive CPU resources.

Original advisories

• wnpa-sec-2017-31

• wnpa-sec-2017-33
• wnpa-sec-2017-26
• wnpa-sec-2017-27
• wnpa-sec-2017-28
• wnpa-sec-2017-29
• wnpa-sec-2017-30
• wnpa-sec-2017-24
• wnpa-sec-2017-32
• wnpa-sec-2017-22
• wnpa-sec-2017-23
• wnpa-sec-2017-25

Exploitation

Public exploits exist for this vulnerability.

Related products

• Wireshark

CVE list

• CVE-2017-9343
  warning
• CVE-2017-9344
  warning
• CVE-2017-9345
  critical
• CVE-2017-9346
  critical
• CVE-2017-9347
  warning
• CVE-2017-9349
  critical
• CVE-2017-9350
  critical
• CVE-2017-9351
  warning
• CVE-2017-9352
  critical
• CVE-2017-9353
  warning
• CVE-2017-9354
  warning

Read more

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