VDB-125883 · CVE-2018-15367 · BID 105757

Trend Micro Antivirus 7.0 on Mac KERedirect ctl_set null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Trend Micro Antivirus 7.0 on Mac. Affected is the function KERedirect. Performing a manipulation of the argument ctl_set results in null pointer dereference. This vulnerability was named CVE-2018-15367. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in Trend Micro Antivirus 7.0 on Mac (Anti-Malware Software). This affects the function KERedirect. The manipulation of the argument ctl_set with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A ctl_set KERedirect Untrusted Pointer Dereference Privilege Escalation vulnerability in Trend Micro Antivirus for Mac (Consumer) 7.0 (2017) and above could allow a local attacker to escalate privileges on vulnerable installations. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The bug was discovered 10/19/2018. The weakness was presented 10/23/2018 (Website). It is possible to read the advisory at esupport.trendmicro.com. This vulnerability is uniquely identified as CVE-2018-15367 since 08/16/2018. Attacking locally is a requirement. A authentication is required 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 4 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 105757†). See VDB-125882, VDB-125896, VDB-125897 and VDB-125898 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/16/2018 🔍
10/19/2018 +64 days 🔍
10/22/2018 +3 days 🔍
10/23/2018 +0 days 🔍
10/23/2018 +0 days 🔍
10/24/2018 +1 days 🔍
04/06/2020 +530 days 🔍

Sourcesinfo

Vendor: trendmicro.com

Advisory: esupport.trendmicro.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-15367 (🔍)
GCVE (CVE): GCVE-0-2018-15367
GCVE (VulDB): GCVE-100-125883
SecurityFocus: 105757 - Trend Micro Antivirus Multiple Local Privilege Escalation Vulnerabilities

See also: 🔍

Entryinfo

Created: 10/24/2018 06:46
Updated: 04/06/2020 09:31
Changes: 10/24/2018 06:46 (63), 04/06/2020 09:31 (4)
Complete: 🔍
Cache ID: 216::103

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

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