Vulnerability Name:

CVE-2020-7045 (CCN-174423)

Assigned:2020-01-14
Published:2020-01-14
Updated:2021-07-21
Summary:In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by validating opcodes.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:3.3 Low (CVSS v2 Vector: AV:A/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-74
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-7045

Source: MISC
Type: Exploit, Issue Tracking, Patch, Vendor Advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16258

Source: MISC
Type: Patch, Vendor Advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=01f261de41f4dd3233ef578e5c0ffb9c25c7d14d

Source: XF
Type: UNKNOWN
wireshark-cve20207045-dos(174423)

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20210206 [SECURITY] [DLA 2547-1] wireshark security update

Source: CCN
Type: Wireshark advisory wnpa-sec-2020-02
BT ATT dissector crash

Source: MISC
Type: Vendor Advisory
https://www.wireshark.org/security/wnpa-sec-2020-02.html

Vulnerable Configuration:Configuration 1:
  • cpe:/a:wireshark:wireshark:*:*:*:*:*:*:*:* (Version >= 3.0.0 and < 3.0.8)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:wireshark:wireshark:3.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:wireshark:wireshark:3.0.7:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:202070450000000
    V
    		CVE-2020-7045 on Ubuntu 19.04 (disco) - low.
    2020-01-16
    oval:com.ubuntu.bionic:def:202070450000000
    V
    		CVE-2020-7045 on Ubuntu 18.04 LTS (bionic) - low.
    2020-01-16
    oval:com.ubuntu.xenial:def:202070450000000
    V
    		CVE-2020-7045 on Ubuntu 16.04 LTS (xenial) - low.
    2020-01-16
    BACK
    wireshark wireshark *
    debian debian linux 9.0
    wireshark wireshark 3.0.0
    wireshark wireshark 3.0.7