CVE-2017-17997

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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=80a695869c9aef2fb473d9361da068022be7cb50	Issue Tracking Patch Vendor Advisory
https://code.wireshark.org/review/#/c/25063/	Issue Tracking Patch Vendor Advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299	Issue Tracking Patch Vendor Advisory
https://www.wireshark.org/security/wnpa-sec-2018-02.html	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Information

Published : 2017-12-29 23:29

Updated : 2019-03-01 10:19

NVD link : CVE-2017-17997

Mitre link : CVE-2017-17997

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

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Products Affected

debian

debian_linux

wireshark

wireshark

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