CVE-2017-7747
HIGH severity · CVSS 7.5 · Improper input validation
7.5CVSS HIGH
Summary
In Wireshark 2.2.0 to 2.2.5 and 2.0.0 to 2.0.11, the PacketBB dissector could crash, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-packetbb.c by restricting additions to the protocol tree.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)2%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13559 ↗
Additional information
- NVD record
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13559Patch
- https://www.wireshark.org/security/wnpa-sec-2017-18.htmlAdvisory
- http://www.securityfocus.com/bid/97638Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=5cfd52d6629cf8a7ab67c6bacd3431a964f43584
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlAdvisory