Linux Kernel up to 4.16 net/irda/af_irda.c irda_bind resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Linux Kernel up to 4.16. This affects the function irda_bind of the file net/irda/af_irda.c. The manipulation leads to resource management. This vulnerability is uniquely identified as CVE-2018-6554. Local access is required to approach this attack. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 4.16 (Operating System). It has been rated as problematic. This issue affects the function irda_bind of the file net/irda/af_irda.c. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

Memory leak in the irda_bind function in net/irda/af_irda.c and later in drivers/staging/irda/net/af_irda.c in the Linux kernel before 4.17 allows local users to cause a denial of service (memory consumption) by repeatedly binding an AF_IRDA socket.

The bug was discovered 09/04/2018. The weakness was disclosed 09/04/2018 (Website). It is possible to read the advisory at spinics.net. The identification of this vulnerability is CVE-2018-6554 since 02/01/2018. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 117523 (openSUSE Security Update : the Linux Kernel (openSUSE-2018-1016)), 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 171601 (SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2018:2879-1)).

Upgrading to version 4.17 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (117523) and SecurityFocus (BID 105302†). The entries VDB-123038, VDB-123100, VDB-123273 and VDB-123461 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 117523
Nessus Name: openSUSE Security Update : the Linux Kernel (openSUSE-2018-1016)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Kernel 4.17

Timelineinfo

02/01/2018 🔍
09/04/2018 +214 days 🔍
09/04/2018 +0 days 🔍
09/04/2018 +0 days 🔍
09/05/2018 +1 days 🔍
09/16/2018 +11 days 🔍
09/17/2018 +1 days 🔍
05/07/2023 +1693 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-3775-1
Status: Confirmed

CVE: CVE-2018-6554 (🔍)
GCVE (CVE): GCVE-0-2018-6554
GCVE (VulDB): GCVE-100-123587

OVAL: 🔍

SecurityFocus: 105302

See also: 🔍

Entryinfo

Created: 09/05/2018 06:48
Updated: 05/07/2023 08:43
Changes: 09/05/2018 06:48 (77), 03/20/2020 15:57 (2), 05/07/2023 08:43 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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