FreeBSD up to 11.1 Stack Guard memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in FreeBSD up to 11.1. This vulnerability affects unknown code of the component Stack Guard. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2017-1084. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in FreeBSD up to 11.1 (Operating System). It has been rated as problematic. This issue affects an unknown functionality of the component 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:

In FreeBSD before 11.2-RELEASE, multiple issues with the implementation of the stack guard-page reduce the protections afforded by the guard-page. This results in the possibility a poorly written process could be cause a stack overflow.

The bug was discovered 06/19/2017. The weakness was shared 09/12/2018 with Qualys as EDB-ID 42277 as not defined exploit (Exploit-DB). The advisory is shared at exploit-db.com. The identification of this vulnerability is CVE-2017-1084 since 11/29/2016. The exploitation is known to be difficult. 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.

After immediately, there has been an exploit disclosed. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 450 days. During that time the estimated underground price was around $5k-$25k. 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 to version 11.2-RELEASE eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (42277) and SecurityFocus (BID 99130†). The entries VDB-102671, VDB-102673, VDB-123928 and VDB-123930 are related to this item. Several companies clearly confirm that VulDB is the primary source for best 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: 6.2

VulDB Base Score: 5.6
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: FreeBSD 11.2-RELEASE

Timelineinfo

11/29/2016 🔍
06/19/2017 +201 days 🔍
06/19/2017 +0 days 🔍
09/12/2018 +449 days 🔍
09/12/2018 +0 days 🔍
09/12/2018 +0 days 🔍
09/12/2018 +0 days 🔍
09/13/2018 +1 days 🔍
07/08/2024 +2125 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: EDB-ID 42277
Organization: Qualys
Status: Not defined

CVE: CVE-2017-1084 (🔍)
GCVE (CVE): GCVE-0-2017-1084
GCVE (VulDB): GCVE-100-123929
SecurityFocus: 99130 - Linux Kernel CVE-2017-1000364 Local Memory Corruption Vulnerability

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

Entryinfo

Created: 09/13/2018 07:01
Updated: 07/08/2024 09:38
Changes: 09/13/2018 07:01 (72), 03/23/2020 08:03 (4), 07/08/2024 09:38 (18)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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