Linux Kernel up to 4.13.11 ims-pcu.c ims_pcu_get_cdc_union_desc out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 4.13.11. This affects the function ims_pcu_get_cdc_union_desc of the file drivers/input/misc/ims-pcu.c. The manipulation leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2017-16645. An attack has to be approached locally. There is no exploit available. It is recommended to upgrade the affected component. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 4.13.11 (Operating System). Affected by this issue is the function ims_pcu_get_cdc_union_desc of the file drivers/input/misc/ims-pcu.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The ims_pcu_get_cdc_union_desc function in drivers/input/misc/ims-pcu.c in the Linux kernel through 4.13.11 allows local users to cause a denial of service (ims_pcu_parse_cdc_data out-of-bounds read and system crash) or possibly have unspecified other impact via a crafted USB device.

The bug was discovered 10/08/2017. The weakness was published 11/07/2017 by Andrey Konovalov (Website). The advisory is available at securityfocus.com. This vulnerability is handled as CVE-2017-16645 since 11/07/2017. Local access is required to approach this attack. A simple authentication is needed for exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 30 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 104910 (EulerOS 2.0 SP1 : kernel (EulerOS-SA-2017-1291)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Huawei Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276998 (Fedora Security Update for kernel (FEDORA-2017-905bb449bc)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (104910) and SecurityFocus (BID 101768†). Similar entries are available at VDB-109139, VDB-109140, VDB-109189 and VDB-109191. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.6
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: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 104910
Nessus Name: EulerOS 2.0 SP1 : kernel (EulerOS-SA-2017-1291)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 862920
OpenVAS Name: SuSE Update for Linux Kernel openSUSE-SU-2017:3359-1 (Linux Kernel)
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: github.com

Timelineinfo

10/08/2017 🔍
11/07/2017 +30 days 🔍
11/07/2017 +0 days 🔍
11/07/2017 +0 days 🔍
11/07/2017 +0 days 🔍
11/08/2017 +1 days 🔍
11/08/2017 +0 days 🔍
12/01/2017 +23 days 🔍
01/06/2023 +1862 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-3617-1⛔
Researcher: Andrey Konovalov
Status: Not defined

CVE: CVE-2017-16645 (🔍)
GCVE (CVE): GCVE-0-2017-16645
GCVE (VulDB): GCVE-100-109190
SecurityFocus: 101768 - Linux Kernel 'drivers/input/misc/ims-pcu.c' Local Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 11/08/2017 07:43 AM
Updated: 01/06/2023 03:26 PM
Changes: 11/08/2017 07:43 AM (77), 12/04/2019 08:42 PM (7), 01/06/2023 03:26 PM (5)
Complete: 🔍
Cache ID: 18:C53:40

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