Vulnerability Monitor

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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.

Published

2017-12-30T07:29:00.537

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	wireshark	wireshark	≤ 2.2.11	Yes
Operating System	debian	debian_linux	8.0	Yes

References

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299 Issue Tracking, Patch, Vendor Advisory ([email protected])
https://code.wireshark.org/review/#/c/25063/ Issue Tracking, Patch, Vendor Advisory ([email protected])
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=80a695869c9aef2fb473d9361da068022be7cb50 ([email protected])
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html Mailing List, Third Party Advisory ([email protected])
https://www.wireshark.org/security/wnpa-sec-2018-02.html Vendor Advisory ([email protected])
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299 Issue Tracking, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://code.wireshark.org/review/#/c/25063/ Issue Tracking, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=80a695869c9aef2fb473d9361da068022be7cb50 (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.wireshark.org/security/wnpa-sec-2018-02.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)