Wireshark up to 1.8.5 Mount Dissector numeric error

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Wireshark. This issue affects some unknown processing of the component Mount Dissector. Executing a manipulation can lead to numeric error. The identification of this vulnerability is CVE-2013-2481. Furthermore, there is an exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Wireshark (Packet Analyzer Software) and classified as critical. This vulnerability affects an unknown function of the component Mount Dissector. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect availability. CVE summarizes:

Integer signedness error in the dissect_mount_dirpath_call function in epan/dissectors/packet-mount.c in the Mount dissector in Wireshark 1.6.x before 1.6.14 and 1.8.x before 1.8.6, when nfs_file_name_snooping is enabled, allows remote attackers to cause a denial of service (application crash) via a negative length value.

The weakness was shared 03/06/2013 by Alyssa Milburn as Wireshark 1.8.6 Release Notes as not defined release notes (Website). The advisory is shared for download at wireshark.org. The vendor cooperated in the coordination of the public release. This vulnerability was named CVE-2013-2481 since 03/06/2013. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.

After even before and not, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 19 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 65557 (Debian DSA-2644-1 : wireshark - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 166512 (OpenSuSE Security Update for wireshark (openSUSE-SU-2013:0494-1)).

Upgrading to version 1.8.6 eliminates this vulnerability. The upgrade is hosted for download at wireshark.org. The problem might be mitigated by replacing the product with tcpdump as an alternative. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (82633), Tenable (65557), SecurityFocus (BID 58340†), OSVDB (90996†) and Secunia (SA52471†). The entries VDB-7931, VDB-7921, VDB-7922 and VDB-7925 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 65557
Nessus Name: Debian DSA-2644-1 : wireshark - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 892644
OpenVAS Name: Debian Security Advisory DSA 2644-1 (wireshark - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Wireshark 1.8.6
Alternative: tcpdump

Timelineinfo

02/15/2013 🔍
03/06/2013 +19 days 🔍
03/06/2013 +0 days 🔍
03/06/2013 +0 days 🔍
03/06/2013 +0 days 🔍
03/06/2013 +0 days 🔍
03/07/2013 +1 days 🔍
03/07/2013 +0 days 🔍
03/08/2013 +1 days 🔍
04/03/2013 +26 days 🔍
05/06/2021 +2955 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: Wireshark 1.8.6 Release Notes
Researcher: Alyssa Milburn
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-2481 (🔍)
GCVE (CVE): GCVE-0-2013-2481
GCVE (VulDB): GCVE-100-7924

OVAL: 🔍

X-Force: 82633
SecurityFocus: 58340 - Wireshark Mount Dissector CVE-2013-2481 Denial of Service Vulnerability
Secunia: 52471 - Wireshark Multiple Denial of Service Vulnerabilities, Moderately Critical
OSVDB: 90996
Vulnerability Center: 39013 - Wireshark 1.6.0 - 1.6.13, 1.8.0 - 1.8.5 Remote DoS in Mount Dissector, Low

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/08/2013 16:57
Updated: 05/06/2021 07:51
Changes: 03/08/2013 16:57 (85), 04/26/2017 18:18 (5), 05/06/2021 07:51 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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