Google Android sock.c sk_clone_lock type conversion

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Google Android. Impacted is the function sk_clone_lock of the file sock.c. This manipulation causes type conversion. This vulnerability appears as CVE-2018-9568. The attack requires local access. There is no available exploit. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability classified as critical was found in Google Android (Smartphone Operating System) (version now known). Affected by this vulnerability is the function sk_clone_lock of the file sock.c. The manipulation with an unknown input leads to a type conversion vulnerability. The CWE definition for the vulnerability is CWE-704. The product does not correctly convert an object, resource, or structure from one type to a different type. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In sk_clone_lock of sock.c, there is a possible memory corruption due to type confusion. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-113509306. References: Upstream kernel.

The bug was discovered 12/05/2018. The weakness was presented 12/06/2018 by ERNE (Website). The advisory is shared at source.android.com. This vulnerability is known as CVE-2018-9568 since 04/05/2018. 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 119809 (SUSE SLES12 Security Update : kernel (SUSE-SU-2018:4195-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171998 (OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2019:0065-1)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (119809) and SecurityFocus (BID 106009†). See VDB-63774, VDB-119385, VDB-122231 and VDB-122230 for similar entries. 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: 6.5
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: 🔍
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Exploitinginfo

Class: Type conversion
CWE: CWE-704
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: 119809
Nessus Name: SUSE SLES12 Security Update : kernel (SUSE-SU-2018:4195-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

04/05/2018 🔍
11/24/2018 +233 days 🔍
12/05/2018 +11 days 🔍
12/06/2018 +1 days 🔍
12/06/2018 +0 days 🔍
12/07/2018 +1 days 🔍
12/19/2018 +12 days 🔍
12/20/2018 +1 days 🔍
06/13/2023 +1636 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: RHSA-2019:0512
Researcher: ERNE
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-9568 (🔍)
GCVE (CVE): GCVE-0-2018-9568
GCVE (VulDB): GCVE-100-127693
SecurityFocus: 106009 - Linux Kernel CVE-2018-16862 Local Security Bypass Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 12/07/2018 09:46
Updated: 06/13/2023 14:39
Changes: 12/07/2018 09:46 (76), 04/18/2020 22:25 (6), 06/13/2023 14:39 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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