VDB-100467 · CVE-2017-8061 · BID 97972

Linux Kernel up to 4.9.x/4.10.6 dvb-usb-firmware.c memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Linux Kernel up to 4.9.x/4.10.6 and classified as critical. This issue affects some unknown processing of the file drivers/media/usb/dvb-usb/dvb-usb-firmware.c. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2017-8061. The attack requires a local approach. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Linux Kernel up to 4.9.x/4.10.6 (Operating System). This affects an unknown part of the file drivers/media/usb/dvb-usb/dvb-usb-firmware.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

drivers/media/usb/dvb-usb/dvb-usb-firmware.c in the Linux kernel 4.9.x and 4.10.x before 4.10.7 interacts incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash or memory corruption) or possibly have unspecified other impact by leveraging use of more than one virtual page for a DMA scatterlist.

The bug was discovered 04/16/2017. The weakness was disclosed 04/23/2017 (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is uniquely identified as CVE-2017-8061 since 04/23/2017. Attacking locally is a requirement. A authentication is necessary for exploitation. 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 7 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 4.10.7 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97972†). The entries VDB-100468, VDB-100470, VDB-100471 and VDB-100472 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: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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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: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.10.7
Patch: git.kernel.org

Timelineinfo

04/16/2017 🔍
04/23/2017 +7 days 🔍
04/23/2017 +0 days 🔍
04/23/2017 +0 days 🔍
04/23/2017 +0 days 🔍
04/23/2017 +0 days 🔍
12/02/2022 +2049 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 67b0503db9c29b04eadfeede6bebbfe5ddad94ef
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-8061 (🔍)
GCVE (CVE): GCVE-0-2017-8061
GCVE (VulDB): GCVE-100-100467
SecurityFocus: 97972 - Linux Kernel CVE-2017-8061 Local Denial of Service Vulnerability
OSVDB: - CVE-2017-8061 - Linux - Memory Corruption Issue

See also: 🔍

Entryinfo

Created: 04/24/2017 00:06
Updated: 12/02/2022 07:42
Changes: 04/24/2017 00:06 (69), 12/02/2022 07:42 (5)
Complete: 🔍
Cache ID: 216::103

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

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