CVE-2021-39923

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-39923
Large loop in the PNRP dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/17684 Issue Tracking Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-5019 Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2021-11.html Vendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/17684 Issue Tracking Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-5019 Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2021-11.html Vendor Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
History

21 Nov 2024, 06:20

Type Values Removed Values Added
References () https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json - Third Party Advisory () https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json - Third Party Advisory
References () https://gitlab.com/wireshark/wireshark/-/issues/17684 - Issue Tracking, Patch, Vendor Advisory () https://gitlab.com/wireshark/wireshark/-/issues/17684 - Issue Tracking, Patch, Vendor Advisory
References () https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html - Mailing List, Third Party Advisory
References () https://www.debian.org/security/2021/dsa-5019 - Third Party Advisory () https://www.debian.org/security/2021/dsa-5019 - Third Party Advisory
References () https://www.wireshark.org/security/wnpa-sec-2021-11.html - Vendor Advisory () https://www.wireshark.org/security/wnpa-sec-2021-11.html - Vendor Advisory

09 Mar 2022, 21:42

Type Values Removed Values Added
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html - Mailing List, Third Party Advisory
CPE cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

26 Dec 2021, 22:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html -

15 Dec 2021, 18:41

Type Values Removed Values Added
References (MISC) https://gitlab.com/wireshark/wireshark/-/issues/17684 - (MISC) https://gitlab.com/wireshark/wireshark/-/issues/17684 - Issue Tracking, Patch, Vendor Advisory
References (MISC) https://www.wireshark.org/security/wnpa-sec-2021-11.html - (MISC) https://www.wireshark.org/security/wnpa-sec-2021-11.html - Vendor Advisory
References (DEBIAN) https://www.debian.org/security/2021/dsa-5019 - (DEBIAN) https://www.debian.org/security/2021/dsa-5019 - Third Party Advisory
CWE CWE-476 CWE-834
CPE cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

11 Dec 2021, 12:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-5019 -

07 Dec 2021, 18:15

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/', 'name': 'FEDORA-2021-97bd631e0a', 'tags': [], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/', 'name': 'FEDORA-2021-3747cf6107', 'tags': [], 'refsource': 'FEDORA'}
  • {'url': 'https://www.wireshark.org/security/wnpa-sec-2021-15.html', 'name': 'https://www.wireshark.org/security/wnpa-sec-2021-15.html', 'tags': ['Vendor Advisory'], 'refsource': 'MISC'}
  • {'url': 'https://gitlab.com/wireshark/wireshark/-/issues/17705', 'name': 'https://gitlab.com/wireshark/wireshark/-/issues/17705', 'tags': ['Exploit', 'Issue Tracking', 'Patch', 'Third Party Advisory'], 'refsource': 'MISC'}
  • (MISC) https://gitlab.com/wireshark/wireshark/-/issues/17684 -
  • (MISC) https://www.wireshark.org/security/wnpa-sec-2021-11.html -
Summary NULL pointer exception in the IPPUSB dissector in Wireshark 3.4.0 to 3.4.9 allows denial of service via packet injection or crafted capture file Large loop in the PNRP dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file

03 Dec 2021, 03:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/ -
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/ -

24 Nov 2021, 13:54

Type Values Removed Values Added
CWE CWE-476
CPE cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
References (CONFIRM) https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json - (CONFIRM) https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json - Third Party Advisory
References (MISC) https://www.wireshark.org/security/wnpa-sec-2021-15.html - (MISC) https://www.wireshark.org/security/wnpa-sec-2021-15.html - Vendor Advisory
References (MISC) https://gitlab.com/wireshark/wireshark/-/issues/17705 - (MISC) https://gitlab.com/wireshark/wireshark/-/issues/17705 - Exploit, Issue Tracking, Patch, Third Party Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5

19 Nov 2021, 18:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-11-19 17:15

Updated : 2024-11-21 06:20

NVD link : CVE-2021-39923

Mitre link : CVE-2021-39923

CVE.ORG link : CVE-2021-39923

JSON object : View

Products Affected

wireshark

  • wireshark

debian

  • debian_linux
CWE
CWE-834

Excessive Iteration