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CVE-2017-17997

Date: December 30, 2017

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.

Language: C

Severity Score

Related Resources (11)

https://www.wireshark.org/security/wnpa-sec-2018-02.html
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
https://security-tracker.debian.org/tracker/CVE-2017-17997
https://nvd.nist.gov/vuln/detail/CVE-2017-17997
https://code.wireshark.org/review/#/c/25063/
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=80a695869c9aef2fb473d9361da068022be7cb50
https://security.alpinelinux.org/vuln/CVE-2017-17997
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-17997
https://access.redhat.com/security/cve/CVE-2017-17997
https://www.mend.io/vulnerability-database/CVE-2017-17997

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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