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CVE-2018-7420

Date: February 23, 2018

In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could crash. This was addressed in wiretap/pcapng.c by adding a block-size check for sysdig event blocks.

Language: C

Severity Score

Related Resources (10)

https://www.wireshark.org/security/wnpa-sec-2018-11.html
http://www.securityfocus.com/bid/103163
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=129e41f9f63885ad8224ef413c2860788fb9e849
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-7420
https://lists.debian.org/debian-lts-announce/2018/04/msg00018.html
https://nvd.nist.gov/vuln/detail/CVE-2018-7420
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14403
https://security-tracker.debian.org/tracker/CVE-2018-7420
https://www.mend.io/vulnerability-database/CVE-2018-7420

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-74

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

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

CVSS v2

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

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