CVE-2020-26575

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-26575
In Wireshark through 3.2.7, the Facebook Zero Protocol (aka FBZERO) dissector could enter an infinite loop. This was addressed in epan/dissectors/packet-fbzero.c by correcting the implementation of offset advancement.

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/wireshark/wireshark/-/commit/3ff940652962c099b73ae3233322b8697b0d10ab Patch Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/16887 Broken Link
https://gitlab.com/wireshark/wireshark/-/merge_requests/467 Patch Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/merge_requests/471 Patch Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/merge_requests/472 Patch Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/merge_requests/473 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHZSVK7PO2LTGFQXFHFXY6SOMSQ7UPRS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V2667E6WKVE56G66BVBVD7LJPIDOJ7K3/
https://security.gentoo.org/glsa/202011-08 Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2020-14.html Vendor Advisory
Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

Configuration 3 (hide)

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

Configuration 4 (hide)

AND
cpe:2.3:o:oracle:zfs_storage_appliance_firmware:8.8:*:*:*:*:*:*:*
cpe:2.3:h:oracle:zfs_storage_appliance:-:*:*:*:*:*:*:*
History

07 Nov 2023, 03:20

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V2667E6WKVE56G66BVBVD7LJPIDOJ7K3/', 'name': 'FEDORA-2020-d4344dd12f', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UHZSVK7PO2LTGFQXFHFXY6SOMSQ7UPRS/', 'name': 'FEDORA-2020-4cff262f07', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V2667E6WKVE56G66BVBVD7LJPIDOJ7K3/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHZSVK7PO2LTGFQXFHFXY6SOMSQ7UPRS/ -

11 Feb 2021, 14:48

Type Values Removed Values Added
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html - Mailing List, Third Party Advisory
References (GENTOO) https://security.gentoo.org/glsa/202011-08 - (GENTOO) https://security.gentoo.org/glsa/202011-08 - Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UHZSVK7PO2LTGFQXFHFXY6SOMSQ7UPRS/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UHZSVK7PO2LTGFQXFHFXY6SOMSQ7UPRS/ - Mailing List, Third Party Advisory
References (MISC) https://www.oracle.com/security-alerts/cpujan2021.html - (MISC) https://www.oracle.com/security-alerts/cpujan2021.html - Third Party Advisory
References (CONFIRM) https://www.wireshark.org/security/wnpa-sec-2020-14.html - (CONFIRM) https://www.wireshark.org/security/wnpa-sec-2020-14.html - Vendor Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V2667E6WKVE56G66BVBVD7LJPIDOJ7K3/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V2667E6WKVE56G66BVBVD7LJPIDOJ7K3/ - Mailing List, Third Party Advisory
CPE cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:h:oracle:zfs_storage_appliance:-:*:*:*:*:*:*:*
cpe:2.3:o:oracle:zfs_storage_appliance_firmware:8.8:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

06 Feb 2021, 23:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html -

20 Jan 2021, 15:15

Type Values Removed Values Added
References
  • (MISC) https://www.oracle.com/security-alerts/cpujan2021.html -
Information

Published : 2020-10-06 15:15

Updated : 2023-12-10 13:41

NVD link : CVE-2020-26575

Mitre link : CVE-2020-26575

CVE.ORG link : CVE-2020-26575

JSON object : View

Products Affected

oracle

  • zfs_storage_appliance_firmware
  • zfs_storage_appliance

wireshark

  • wireshark

debian

  • debian_linux

fedoraproject

  • fedora
CWE
CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')