Wireshark 1.8.0/1.8.1/1.8.2 LDP Dissector memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.7$0-$5k0.00

A vulnerability has been found in Wireshark 1.8.0/1.8.1/1.8.2 (Packet Analyzer Software) and classified as critical. Affected by this vulnerability is an unknown part of the component LDP Dissector. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in the dissect_tlv function in epan/dissectors/packet-ldp.c in the LDP dissector in Wireshark 1.8.x before 1.8.3 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a malformed packet.

The weakness was presented 10/02/2012 by Laurent Butti as wnpa-sec-2012-29 as confirmed advisory (Website). It is possible to read the advisory at wireshark.org. The public release was coordinated in cooperation with the project team. This vulnerability is known as CVE-2012-5240 since 10/02/2012. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 62649 (FreeBSD : Wireshark -- Multiple Vulnerabilities (a7706414-1be7-11e2-9aad-902b343deec9)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121144 (Solaris 11.1 Support Repository Update (SRU) 3.4 Missing).

Upgrading to version 1.8.3 eliminates this vulnerability. The upgrade is hosted for download at wireshark.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (79011) and Tenable (62649). See 6094, 6581 and 6582 for similar entries.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 8.7

VulDB Base Score: 10.0
VulDB Temp Score: 8.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 62649
Nessus Name: FreeBSD : Wireshark -- Multiple Vulnerabilities (a7706414-1be7-11e2-9aad-902b343deec9)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 72500
OpenVAS Name: FreeBSD Ports: wireshark
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Wireshark 1.8.3

Timelineinfo

10/02/2012 🔍
10/02/2012 +0 days 🔍
10/02/2012 +0 days 🔍
10/02/2012 +0 days 🔍
10/02/2012 +0 days 🔍
10/03/2012 +1 days 🔍
10/03/2012 +0 days 🔍
10/03/2012 +0 days 🔍
10/04/2012 +1 days 🔍
10/04/2012 +0 days 🔍
10/07/2012 +3 days 🔍
04/14/2021 +3111 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: wnpa-sec-2012-29
Researcher: Laurent Butti
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-5240 (🔍)
OVAL: 🔍

X-Force: 79011 - Wireshark LDP dissector buffer overflow, High Risk
SecurityTracker: 1027604 - Wireshark HSRP/PPP/LDP Bugs Let Remote Users Deny Service
Vulnerability Center: 36375 - Wireshark 1.8.0-1.8.2 LDP Dissector Allows Remote DoS via a Malformed Packet, Medium
SecurityFocus: 55754 - Wireshark Versions Prior to 1.8.3 Multiple Security Vulnerabilities
Secunia: 50843 - Wireshark Multiple Vulnerabilities, Highly Critical
OSVDB: 85885

See also: 🔍

Entryinfo

Created: 10/04/2012 16:47
Updated: 04/14/2021 15:32
Changes: 10/04/2012 16:47 (81), 04/17/2017 12:15 (11), 04/14/2021 15:32 (2)
Complete: 🔍
Committer:

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