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CVE-2016-4421

Date: April 30, 2016

epan/dissectors/packet-ber.c in the ASN.1 BER dissector in Wireshark 1.12.x before 1.12.10 and 2.x before 2.0.2 allows remote attackers to cause a denial of service (deep recursion, stack consumption, and application crash) via a packet that specifies deeply nested data.

Language: C

Severity Score

Related Resources (10)

https://nvd.nist.gov/vuln/detail/CVE-2016-4421
https://www.wireshark.org/security/wnpa-sec-2016-18.html
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
https://security-tracker.debian.org/tracker/CVE-2016-4421
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11822
https://access.redhat.com/security/cve/CVE-2016-4421
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-4421
http://lists.opensuse.org/opensuse-updates/2016-03/msg00016.html
http://lists.opensuse.org/opensuse-updates/2016-03/msg00015.html
https://www.mend.io/vulnerability-database/CVE-2016-4421

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

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): HIGH

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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