7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.3 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.002 Low
EPSS
Percentile
60.4%
In Wireshark 3.0.0 to 3.0.2, 2.6.0 to 2.6.9, and 2.4.0 to 2.4.15, the ASN.1 BER dissector and related dissectors could crash. This was addressed in epan/asn1.c by properly restricting buffer increments.
lists.opensuse.org/opensuse-security-announce/2019-08/msg00068.html
lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
www.securityfocus.com/bid/109293
bugs.wireshark.org/bugzilla/show_bug.cgi?id=15870
code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=7e90aed666e809c0db5de9d1816802a7dcea28d9
lists.debian.org/debian-lts-announce/2021/02/msg00008.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JY52XAC2UNC4X4ZPIXYMK5SVXV2PO5I3/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q4QVJALLGVVC7MBUT4B4SHQVDXGJKGI7/
usn.ubuntu.com/4133-1/
www.wireshark.org/security/wnpa-sec-2019-20.html
More
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.3 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.002 Low
EPSS
Percentile
60.4%