CVE-2015-6243

wireshark: Dissector table crash (wnpa-sec-2015-23)

Severity Score

7.5

*CVSS v3

Exploit Likelihood

< 1%

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The dissector-table implementation in epan/packet.c in Wireshark 1.12.x before 1.12.7 mishandles table searches for empty strings, which allows remote attackers to cause a denial of service (application crash) via a crafted packet, related to the (1) dissector_get_string_handle and (2) dissector_get_default_string_handle functions.

Vulnerabilidad en la implementación dissector-table en epan/packet.c en Wireshark 1.12.x en versiones anteriores a 1.12.7, maneja incorrectamente las búsquedas de cadenas vacías en tablas, lo que permite a atacantes remotos causar una denegación de servicio (caída de la aplicación) a través de un paquete manipulado, relacionado con las funciones (1) dissector_get_string_handle y (2) dissector_get_default_string_handle.

The wireshark packages contain a network protocol analyzer used to capture and browse the traffic running on a computer network. Several denial of service flaws were found in Wireshark. Wireshark could crash or stop responding if it read a malformed packet off a network, or opened a malicious dump file.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2015-08-14 CVE Reserved
2015-08-24 CVE Published
2024-08-06 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation
CWE-190: Integer Overflow or Wraparound

CAPEC

References (13)

URL	Tag	Source
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html	Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html	Third Party Advisory
http://www.securityfocus.com/bid/76384	Vdb Entry
http://www.securitytracker.com/id/1033272	Vdb Entry
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11381	Issue Tracking
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=eb1ccbdccde89701f255...	X_refsource_confirm

1 - 6 of 6

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2015-Oct...	2023-11-07
http://lists.fedoraproject.org/pipermail/package-announce/2015-Sep...	2023-11-07
http://lists.opensuse.org/opensuse-updates/2015-10/msg00053.html	2023-11-07
http://www.debian.org/security/2015/dsa-3367	2023-11-07
http://www.wireshark.org/security/wnpa-sec-2015-23.html	2023-11-07
https://access.redhat.com/security/cve/CVE-2015-6243	2015-11-19
https://bugzilla.redhat.com/show_bug.cgi?id=1253354	2015-11-19

1 - 7 of 7

Affected Vendors, Products, and Versions (9)

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Oracle Search vendor "Oracle"		Linux Search vendor "Oracle" for product "Linux"				7 Search vendor "Oracle" for product "Linux" and version "7"		-		Affected
Oracle Search vendor "Oracle"		Solaris Search vendor "Oracle" for product "Solaris"				11.3 Search vendor "Oracle" for product "Solaris" and version "11.3"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.12.0 Search vendor "Wireshark" for product "Wireshark" and version "1.12.0"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.12.1 Search vendor "Wireshark" for product "Wireshark" and version "1.12.1"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.12.2 Search vendor "Wireshark" for product "Wireshark" and version "1.12.2"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.12.3 Search vendor "Wireshark" for product "Wireshark" and version "1.12.3"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.12.4 Search vendor "Wireshark" for product "Wireshark" and version "1.12.4"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.12.5 Search vendor "Wireshark" for product "Wireshark" and version "1.12.5"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.12.6 Search vendor "Wireshark" for product "Wireshark" and version "1.12.6"		-		Affected

1 - 9 of 9