High severity · published Dec 30, 2017
CVE-2017-17997
In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes
7.5
CVSS
1.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
WI
Wireshark · Wireshark
through 2.2.11 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-17997
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-17997
Issue Tracking
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299
Issue Tracking
https://code.wireshark.org/review/#/c/25063/
code.wireshark.org
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=80a695869c9aef2fb473d9361da068022be7cb50
Mailing List
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
Vendor Advisory
https://www.wireshark.org/security/wnpa-sec-2018-02.html
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