CVE-2020-9430: In Wireshark 3.2.0 to 3.2.1, 3.0.0 to 3.0.8, and 2.6.0 to 2.6.14, the WiMax DLMAP dissector could crash

High severity · published Feb 27, 2020

CVE-2020-9430

In Wireshark 3.2.0 to 3.2.1, 3.0.0 to 3.0.8, and 2.6.0 to 2.6.14, the WiMax DLMAP dissector could crash

7.5

CVSS

2.8%

EPSS

On KEV

Description

In Wireshark 3.2.0 to 3.2.1, 3.0.0 to 3.0.8, and 2.6.0 to 2.6.14, the WiMax DLMAP dissector could crash. This was addressed in plugins/epan/wimax/msg_dlmap.c by validating a length field.

CVSS vector

CVSS:3.1/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)2.8% · higher than 86% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Debian Linux · Debian

9.0 · source: NVD

Fedora · Fedoraproject

30; 31; 32 · source: NVD

Leap · Opensuse

15.1 · source: NVD

Wireshark · Wireshark

2.6.0 through 2.6.14; 3.0.0 through 3.0.8; 3.2.0 through 3.2.1 · source: NVD

Affected product

Debian Linux

Debian

All Debian Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2020-9430

CVE.org

https://www.cve.org/CVERecord?id=CVE-2020-9430

Mailing List

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html

Exploit

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16368

Exploit

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16383

code.wireshark.org

https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=6b98dc63701b1da1cc7681cb383dabb0b7007d73

code.wireshark.org

https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=93d6b03a67953b82880cdbdcf0d30e2a3246d790

Mailing List

https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html