Medium severity · published Dec 30, 2021
CVE-2021-4183
Crash in the pcapng file parser in Wireshark 3.6.0 allows denial of service via crafted capture file
5.5
CVSS
1.5%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
34; 35 · source: NVD
HS
Http Server · Oracle
12.2.1.3.0; 12.2.1.4.0 · source: NVD
WI
Wireshark · Wireshark
3.6.0 · source: NVD
ZS
Zfs Storage Appliance Kit · Oracle
8.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-4183
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-4183
Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4183.json
Exploit
https://gitlab.com/wireshark/wireshark/-/issues/17755
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/
Third Party Advisory
https://security.gentoo.org/glsa/202210-04
Patch
https://www.oracle.com/security-alerts/cpuapr2022.html
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