vulnwire
7.5high

CVE-2017-5597

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 malform…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.0%
percentile 81%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

2.00% probability of exploitation in the next 30 days, higher than 81% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

  • wireshark.org /security/wnpa-sec-2017-02.html · x_refsource_CONFIRM, x_transferred
  • code.wireshark.org /review/gitweb?p=wireshark.git%3Ba=commit%3Bh=57894f741f7cc98b46c9fdce7eee8256d2a4ae3f · x_refsource_CONFIRM, x_transferred
  • code.wireshark.org /review/#/c/19747/ · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/95798 · vdb-entry, x_refsource_BID, x_transferred
  • debian.org /security/2017/dsa-3811 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • securitytracker.com /id/1037694 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • bugs.wireshark.org /bugzilla/show_bug.cgi?id=13345 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.