Vulnerability Details : CVE-2021-22207

Excessive memory consumption in MS-WSP dissector in Wireshark 3.4.0 to 3.4.4 and 3.2.0 to 3.2.12 allows denial of service via packet injection or crafted capture file

Vulnerability category: Denial of service

Published 2021-04-23 18:15:08

Updated 2022-03-31 16:55:01

Source GitLab Inc.

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-22207

Probability of exploitation activity in the next 30 days: 0.51%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 73 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-22207

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	[email protected]
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	1.8	3.6	[email protected]
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	2.8	3.6	[email protected]
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2021-22207

CWE-770 Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

Assigned by: [email protected] (Primary)

References for CVE-2021-22207

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22207.json

Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/17331

Exploit;Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2021-04.html

Vendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/NL7ZTMMWIEPHHFK3ONRKATWE7CLIGLFD/

Mailing List;Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html

Mailing List;Third Party Advisory

CVEs referencing this url
https://www.oracle.com/security-alerts/cpuoct2021.html

Patch;Third Party Advisory

CVEs referencing this url
https://security.gentoo.org/glsa/202107-21

Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/[email protected]/message/GIWWO27HV4HUKXV6NH6ULHCRAQB26DMD/

Mailing List;Third Party Advisory
https://www.debian.org/security/2021/dsa-5019

Third Party Advisory

CVEs referencing this url

Products affected by CVE-2021-22207

Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 11.0
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Matching versions
Oracle » Zfs Storage Appliance Kit » Version: 8.8
cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
Matching versions
Wireshark » Wireshark
Versions from including (>=) 3.4.0 and up to, including, (<=) 3.4.4
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Matching versions
Wireshark » Wireshark
Versions from including (>=) 3.2.0 and up to, including, (<=) 3.2.12
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 33
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 34
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Matching versions