Vulnerability CVE-2017-17997
Published: 2017-12-30

Description:
In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.

Type:

CWE-476

 (NULL Pointer Dereference)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Wireshark -> Wireshark 
Debian -> Debian linux 

 References:
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299
https://code.wireshark.org/review/#/c/25063/
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=80a695869c9aef2fb473d9361da068022be7cb50
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
https://www.wireshark.org/security/wnpa-sec-2018-02.html
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