Linux Kernel up to 4.11.5 Small Stack Guard memory corruption

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

Summaryinfo

A vulnerability identified as critical has been detected in Linux Kernel up to 4.11.5. This affects an unknown function of the component Small Stack Guard. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2017-1000364. The attack needs to be performed locally. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 4.11.5 (Operating System). It has been rated as critical. This issue affects some unknown functionality of the component Small Stack Guard. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in the size of the stack guard page on Linux, specifically a 4k stack guard page is not sufficiently large and can be "jumped" over (the stack guard page is bypassed), this affects Linux Kernel versions 4.11.5 and earlier (the stackguard page was introduced in 2010).

The bug was discovered 06/20/2017. The weakness was released 06/19/2017 with Qualys (Website). It is possible to read the advisory at qualys.com. The identification of this vulnerability is CVE-2017-1000364 since 06/19/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 100874 (Amazon Linux AMI : kernel (ALAS-2017-845) (Stack Clash)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370433 (FreeBSD Advisory for kernel/ glibc Elevation of Privileges (Stack Clash)).

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

The vulnerability is also documented in the databases at Exploit-DB (45625), Tenable (100874), SecurityFocus (BID 99130†) and SecurityTracker (ID 1038724†). Entries connected to this vulnerability are available at VDB-102673, VDB-102676, VDB-123928 and VDB-123929. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 4.9
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.4
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100874
Nessus Name: Amazon Linux AMI : kernel (ALAS-2017-845) (Stack Clash)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703886
OpenVAS Name: Debian Security Advisory DSA 3886-1 (linux - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: rsh_stack_clash_priv_esc.rb
MetaSploit Name: Solaris RSH Stack Clash Privilege Escalation
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

06/19/2017 🔍
06/19/2017 +0 days 🔍
06/19/2017 +0 days 🔍
06/19/2017 +0 days 🔍
06/19/2017 +0 days 🔍
06/20/2017 +1 days 🔍
06/20/2017 +0 days 🔍
06/20/2017 +0 days 🔍
06/20/2017 +0 days 🔍
12/02/2025 +3087 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: RHSA-2017:1482
Researcher: Qualys Research Labs
Organization: Qualys
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-1000364 (🔍)
GCVE (CVE): GCVE-0-2017-1000364
GCVE (VulDB): GCVE-100-102671

OVAL: 🔍

SecurityFocus: 99130 - Linux Kernel CVE-2017-1000364 Local Memory Corruption Vulnerability
SecurityTracker: 1038724

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 06/20/2017 08:06
Updated: 12/02/2025 15:51
Changes: 06/20/2017 08:06 (81), 10/19/2019 15:51 (12), 12/29/2020 08:56 (3), 12/08/2022 15:26 (3), 12/02/2025 15:51 (14)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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