CVE Vulnerability

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : 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

References
Link Resource
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
Configurations

Configuration 1

cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Information

Published : 2020-10-06 03:15

Updated : 2021-02-11 02:48

NVD link : CVE-2020-26575

Mitre link : CVE-2020-26575

Products Affected
No products.
CWE
CWE-835