CVE-2020-26575

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2020-26575
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-10-06T15:15:15
  • Last Modified Date
  • 2021-02-11T14:48:07
Weakness Enumerations
CWE URL
CWE-835 http://cwe.mitre.org/data/definitions/835.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* 1 OR 3.2.7
AND
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:oracle:zfs_storage_appliance_firmware:8.8:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:oracle:zfs_storage_appliance:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://gitlab.com/wireshark/wireshark/-/merge_requests/472 Patch Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/merge_requests/471 Patch Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/merge_requests/473 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/-/commit/3ff940652962c099b73ae3233322b8697b0d10ab Patch Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2020-14.html Vendor Advisory
https://security.gentoo.org/glsa/202011-08 Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UHZSVK7PO2LTGFQXFHFXY6SOMSQ7UPRS/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V2667E6WKVE56G66BVBVD7LJPIDOJ7K3/ Mailing List Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-26575
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26575
History
Created Old Value New Value Data Type Notes
2022-05-10 07:23:39 Added to TrackCVE
2022-12-04 23:46:46 2020-10-06T15:15Z 2020-10-06T15:15:15 CVE Published Date updated
2022-12-04 23:46:46 2021-02-11T14:48:07 CVE Modified Date updated
2022-12-04 23:46:46 Analyzed Vulnerability Status updated