CVE-2012-1593

Wireshark - 'call_dissector()' Null Pointer Dereference Denial of Service

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

epan/dissectors/packet-ansi_a.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6.x before 1.6.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed packet.

epan/dissectors/packet-ansi_a.c en ANSI A en Wireshark v1.4.x anterior a v1.4.12 y v1.6.x anteriores a v1.6.6 permite a atacantes remotos a provocar una denegación de servicio (desreferencia de puntero nulo y caída de la aplicación) a través de un paquete incorrecto.

*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

Adjacent

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2012-03-12 CVE Reserved
2012-04-11 CVE Published
2012-04-19 First Exploit
2024-08-06 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (14)

URL	Tag	Source
http://anonsvn.wireshark.org/viewvc?view=revision&revision=40962	X_refsource_confirm
http://secunia.com/advisories/48548	Third Party Advisory
http://secunia.com/advisories/48986	Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/03/28/13	Mailing List
http://www.securitytracker.com/id?1026874	Vdb Entry
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6823	X_refsource_confirm
https://exchange.xforce.ibmcloud.com/vulnerabilities/74361	Vdb Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14991	Signature

URL	Date	SRC
https://www.exploit-db.com/exploits/18758	2012-04-19
http://www.exploit-db.com/exploits/18758	2024-08-06

URL	Date	SRC

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078769.html	2017-12-29
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078770.html	2017-12-29
http://lists.opensuse.org/opensuse-updates/2012-04/msg00060.html	2017-12-29
http://www.wireshark.org/security/wnpa-sec-2012-04.html	2017-12-29

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"				1.4.0 Search vendor "Wireshark" for product "Wireshark" and version "1.4.0"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.4.1 Search vendor "Wireshark" for product "Wireshark" and version "1.4.1"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.4.2 Search vendor "Wireshark" for product "Wireshark" and version "1.4.2"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.4.3 Search vendor "Wireshark" for product "Wireshark" and version "1.4.3"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.4.4 Search vendor "Wireshark" for product "Wireshark" and version "1.4.4"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.4.5 Search vendor "Wireshark" for product "Wireshark" and version "1.4.5"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.4.6 Search vendor "Wireshark" for product "Wireshark" and version "1.4.6"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.4.7 Search vendor "Wireshark" for product "Wireshark" and version "1.4.7"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.4.8 Search vendor "Wireshark" for product "Wireshark" and version "1.4.8"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.4.9 Search vendor "Wireshark" for product "Wireshark" and version "1.4.9"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.4.10 Search vendor "Wireshark" for product "Wireshark" and version "1.4.10"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				1.4.11 Search vendor "Wireshark" for product "Wireshark" and version "1.4.11"		-		Affected