Linux Kernel up to 4.12.10 qla_attr.c qla2x00_sysfs_write_optrom_ctl integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Linux Kernel up to 4.12.10. This vulnerability affects the function qla2x00_sysfs_write_optrom_ctl of the file drivers/scsi/qla2xxx/qla_attr.c. This manipulation causes integer overflow. This vulnerability is handled as CVE-2017-14051. It is possible to launch the attack on the local host. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel up to 4.12.10 (Operating System). Affected by this vulnerability is the function qla2x00_sysfs_write_optrom_ctl of the file drivers/scsi/qla2xxx/qla_attr.c. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An integer overflow in the qla2x00_sysfs_write_optrom_ctl function in drivers/scsi/qla2xxx/qla_attr.c in the Linux kernel through 4.12.10 allows local users to cause a denial of service (memory corruption and system crash) by leveraging root access.

The bug was discovered 08/30/2017. The weakness was released 08/31/2017 (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2017-14051 since 08/30/2017. An attack has to be approached locally. Required for exploitation is a single authentication. Technical details are known, but no exploit is available.

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 $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 103117 (Fedora 26 : kernel (2017-6764d16965)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276924 (Fedora Security Update for kernel (FEDORA-2017-6764d16965)).

Upgrading 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 (103117) and SecurityFocus (BID 100571†). Entries connected to this vulnerability are available at VDB-105727, VDB-105728 and VDB-105729. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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: 103117
Nessus Name: Fedora 26 : kernel (2017-6764d16965)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for kernel FEDORA-2017-a3a8638a60
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

08/30/2017 🔍
08/30/2017 +0 days 🔍
08/30/2017 +0 days 🔍
08/31/2017 +1 days 🔍
08/31/2017 +0 days 🔍
08/31/2017 +0 days 🔍
09/11/2017 +11 days 🔍
09/12/2017 +1 days 🔍
12/27/2022 +1932 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: FEDORA-2017-6764d16965⛔
Researcher: shqking
Status: Confirmed

CVE: CVE-2017-14051 (🔍)
GCVE (CVE): GCVE-0-2017-14051
GCVE (VulDB): GCVE-100-106021
SecurityFocus: 100571 - Linux Kernel CVE-2017-14051 Local Integer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 08/31/2017 22:44
Updated: 12/27/2022 12:09
Changes: 08/31/2017 22:44 (72), 11/12/2019 11:53 (11), 01/10/2021 13:35 (2), 12/27/2022 12:01 (3), 12/27/2022 12:09 (1)
Complete: 🔍
Cache ID: 216::103

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