CVE-2017-5597: wireshark Integer Overflow or Wraparound

Vulnerability summary

CVE-2017-5597 is a high (CVSS 7.5) Integer Overflow or Wraparound vulnerability in wireshark. EPSS estimates a 2.00% chance of exploitation in the next 30 days, higher than 80.5% of scored vulnerabilities.

Timeline

1. 25-01-2017
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

In Wireshark 2.2.0 to 2.2.3 and 2.0.0 to 2.0.9, the DHCPv6 dissector could go into a large loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-dhcpv6.c by changing a data type to avoid an integer overflow.

• CWE-190Integer Overflow or WraparoundThe product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.