Wireshark up to 2.0.4 packet-wap.c tvb_get_guintvar input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Wireshark up to 2.0.4. It has been classified as problematic. The impacted element is the function tvb_get_guintvar of the file epan/dissectors/packet-wap.c. Performing a manipulation results in input validation. This vulnerability is cataloged as CVE-2016-6512. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Wireshark up to 2.0.4 (Packet Analyzer Software). This affects the function tvb_get_guintvar of the file epan/dissectors/packet-wap.c. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The summary by CVE is:

epan/dissectors/packet-wap.c in Wireshark 2.x before 2.0.5 omits an overflow check in the tvb_get_guintvar function, which allows remote attackers to cause a denial of service (infinite loop) via a crafted packet, related to the MMSE, WAP, WBXML, and WSP dissectors.

The weakness was shared 08/06/2016 (Website). The advisory is shared at openwall.com. This vulnerability is uniquely identified as CVE-2016-6512 since 08/01/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 92771 (FreeBSD : wireshark -- multiple vulnerabilities (610101ea-5b6a-11e6-b334-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370106 (Wireshark Multiple Vulnerabilities.(wnpa-sec-2016-39 to wnpa-sec-2016-49)).

Upgrading to version 2.0.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (40195), Tenable (92771) and SecurityFocus (BID 92174†). The entries VDB-90660, VDB-90661, VDB-90662 and VDB-90663 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.9
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 92771
Nessus Name: FreeBSD : wireshark -- multiple vulnerabilities (610101ea-5b6a-11e6-b334-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 866188
OpenVAS Name: Wireshark Multiple Denial of Service Vulnerabilities-01 August16 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Wireshark 2.0.5
Patch: 2193bea3212d74e2a907152055e27d409b59485e

Timelineinfo

07/28/2016 🔍
08/01/2016 +4 days 🔍
08/06/2016 +5 days 🔍
08/06/2016 +0 days 🔍
08/06/2016 +0 days 🔍
08/08/2016 +2 days 🔍
08/08/2016 +0 days 🔍
01/14/2025 +3081 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: openwall.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-6512 (🔍)
GCVE (CVE): GCVE-0-2016-6512
GCVE (VulDB): GCVE-100-90669
SecurityFocus: 92174 - Wireshark 'add_capabilities()' Function Denial of Service Vulnerability
SecurityTracker: 1036480

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

Entryinfo

Created: 08/08/2016 15:29
Updated: 01/14/2025 04:53
Changes: 08/08/2016 15:29 (66), 03/22/2019 11:28 (16), 09/13/2022 12:05 (6), 01/14/2025 04:53 (16)
Complete: 🔍
Cache ID: 216:760:103

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