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CVE-2014-4020

Date: June 18, 2014

The dissect_frame function in epan/dissectors/packet-frame.c in the frame metadissector in Wireshark 1.10.x before 1.10.8 interprets a negative integer as a length value even though it was intended to represent an error condition, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

Language: C

Severity Score

Related Resources (10)

https://access.redhat.com/security/cve/CVE-2014-4020
http://lists.opensuse.org/opensuse-updates/2014-06/msg00049.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=10030
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=beb119f911a698d44f4baa06d888bb1e775983bc
http://www.wireshark.org/security/wnpa-sec-2014-07.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9999
https://nvd.nist.gov/vuln/detail/CVE-2014-4020
https://security-tracker.debian.org/tracker/CVE-2014-4020
https://people.canonical.com/~ubuntu-security/cve/CVE-2014-4020
https://www.mend.io/vulnerability-database/CVE-2014-4020

Severity Score

Weakness Type (CWE)

Numeric Errors

CWE-189

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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