Wireshark up to 2.4.5 NBAP Dissector packet-nbap.c Packet memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Wireshark. It has been classified as critical. Affected by this vulnerability is an unknown functionality of the file epan/dissectors/packet-nbap.c of the component NBAP Dissector. This manipulation as part of Packet causes memory corruption. This vulnerability is tracked as CVE-2018-9261. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Wireshark (Packet Analyzer Software). Affected by this vulnerability is an unknown code block of the file epan/dissectors/packet-nbap.c of the component NBAP Dissector. The manipulation as part of a Packet 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:

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the NBAP dissector could crash with a large loop that ends with a heap-based buffer overflow. This was addressed in epan/dissectors/packet-nbap.c by prohibiting the self-linking of DCH-IDs.

The bug was discovered 04/03/2018. The weakness was disclosed 04/04/2018 (Website). It is possible to read the advisory at bugs.wireshark.org. This vulnerability is known as CVE-2018-9261 since 04/04/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 109197 (SUSE SLES11 Security Update : wireshark (SUSE-SU-2018:0980-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171035 (SUSE Enterprise Linux Security Update for wireshark (SUSE-SU-2018:0981-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (109197). The entries VDB-115682, VDB-115685, VDB-115686 and VDB-115688 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 109197
Nessus Name: SUSE SLES11 Security Update : wireshark (SUSE-SU-2018:0980-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 55044
OpenVAS Name: Wireshark Multiple Denial of Service Vulnerabilities Apr18 (Mac OS X)
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: 🔍

Patch: 66bc372716e04d6a8afdf6712583c9b5d11fee55

Timelineinfo

04/03/2018 🔍
04/04/2018 +1 days 🔍
04/04/2018 +0 days 🔍
04/04/2018 +0 days 🔍
04/04/2018 +0 days 🔍
04/19/2018 +15 days 🔍
04/20/2018 +1 days 🔍
02/26/2023 +1773 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: DLA 1388-1
Status: Not defined

CVE: CVE-2018-9261 (🔍)
GCVE (CVE): GCVE-0-2018-9261
GCVE (VulDB): GCVE-100-115687

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 04/04/2018 16:04
Updated: 02/26/2023 15:40
Changes: 04/04/2018 16:04 (75), 01/21/2020 11:25 (3), 02/26/2023 15:40 (6)
Complete: 🔍
Cache ID: 216::103

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