CVE-2014-6423

wireshark: MEGACO dissector infinite loop (wnpa-sec-2014-13)

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The tvb_raw_text_add function in epan/dissectors/packet-megaco.c in the MEGACO dissector in Wireshark 1.10.x before 1.10.10 and 1.12.x before 1.12.1 allows remote attackers to cause a denial of service (infinite loop) via an empty line.

La función tvb_raw_text_add en epan/dissectors/packet-megaco.c en el diseccionador MEGACO en Wireshark 1.10.x anterior a 1.10.10 y 1.12.x anterior a 1.12.1 permite a atacantes remotos causar una denegación de servicio (bucle infinito) a través de una línea en blanco.

Wireshark is a network protocol analyzer. It is used to capture and browse the traffic running on a computer network. Multiple flaws were found in Wireshark. If Wireshark read a malformed packet off a network or opened a malicious dump file, it could crash or, possibly, execute arbitrary code as the user running Wireshark. 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

CVSS Scores

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

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

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

2014-09-16 CVE Reserved
2014-09-20 CVE Published
2024-08-06 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-399: Resource Management Errors
CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

CAPEC

References (16)

URL	Tag	Source
http://linux.oracle.com/errata/ELSA-2014-1676	X_refsource_confirm
http://linux.oracle.com/errata/ELSA-2014-1677	X_refsource_confirm
http://secunia.com/advisories/60280	Third Party Advisory
http://secunia.com/advisories/60578	Third Party Advisory
http://secunia.com/advisories/61929	Third Party Advisory
http://secunia.com/advisories/61933	Third Party Advisory
http://www.wireshark.org/security/wnpa-sec-2014-13.html	X_refsource_confirm
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=10333	X_refsource_confirm
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=9112a099d7cc2cd924b7c667bf27f6e112b970c6	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00033.html	2023-11-07
http://lists.opensuse.org/opensuse-updates/2014-09/msg00058.html	2023-11-07
http://rhn.redhat.com/errata/RHSA-2014-1676.html	2023-11-07
http://rhn.redhat.com/errata/RHSA-2014-1677.html	2023-11-07
http://www.debian.org/security/2014/dsa-3049	2023-11-07
https://access.redhat.com/security/cve/CVE-2014-6423	2014-10-21
https://bugzilla.redhat.com/show_bug.cgi?id=1142610	2014-10-21

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.10.0 Search vendor "Wireshark" for product "Wireshark" and version "1.10.0"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.10.1 Search vendor "Wireshark" for product "Wireshark" and version "1.10.1"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.10.2 Search vendor "Wireshark" for product "Wireshark" and version "1.10.2"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.10.3 Search vendor "Wireshark" for product "Wireshark" and version "1.10.3"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.10.4 Search vendor "Wireshark" for product "Wireshark" and version "1.10.4"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.10.5 Search vendor "Wireshark" for product "Wireshark" and version "1.10.5"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.10.6 Search vendor "Wireshark" for product "Wireshark" and version "1.10.6"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.10.7 Search vendor "Wireshark" for product "Wireshark" and version "1.10.7"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.10.8 Search vendor "Wireshark" for product "Wireshark" and version "1.10.8"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.10.9 Search vendor "Wireshark" for product "Wireshark" and version "1.10.9"		-		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