Vulnerability Name:

CVE-2016-7957 (CCN-124646)

Assigned:2016-09-09
Published:2017-04-12
Updated:2017-04-17
Summary:In Wireshark 2.2.0, the Bluetooth L2CAP dissector could crash, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-btl2cap.c by avoiding use of a seven-byte memcmp for potentially shorter strings.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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
4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-7957

Source: BID
Type: Third Party Advisory, VDB Entry
97597

Source: CCN
Type: BID-97597
Wireshark 'packet-btl2cap.c' Denial of Service Vulnerability

Source: CONFIRM
Type: Issue Tracking, Patch
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12825

Source: CONFIRM
Type: Issue Tracking, Patch, Vendor Advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=355b56b1c6c545072ac0c1225730b526c6749f0a

Source: XF
Type: UNKNOWN
wireshark-cve20167957-dos(124646)

Source: CCN
Type: Wireshark advisory wnpa-sec-2016-56
Bluetooth L2CAP dissector crash

Source: CONFIRM
Type: Vendor Advisory
https://www.wireshark.org/security/wnpa-sec-2016-56.html

Vulnerable Configuration:Configuration 1:
  • cpe:/a:wireshark:wireshark:2.2.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:wireshark:wireshark:2.2.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.artful:def:20167957000
    V
    		CVE-2016-7957 on Ubuntu 17.10 (artful) - medium.
    2017-04-12
    oval:com.ubuntu.xenial:def:20167957000
    V
    		CVE-2016-7957 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-04-12
    oval:com.ubuntu.bionic:def:20167957000
    V
    		CVE-2016-7957 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-04-12
    oval:com.ubuntu.bionic:def:201679570000000
    V
    		CVE-2016-7957 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-04-12
    oval:com.ubuntu.precise:def:20167957000
    V
    		CVE-2016-7957 on Ubuntu 12.04 LTS (precise) - medium.
    2017-04-12
    oval:com.ubuntu.xenial:def:201679570000000
    V
    		CVE-2016-7957 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-04-12
    oval:com.ubuntu.trusty:def:20167957000
    V
    		CVE-2016-7957 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-04-12
    BACK
    wireshark wireshark 2.2.0
    wireshark wireshark 2.2.0