VDB-122807 · CVE-2018-14878 · GCVE-0-2018-14878

JetBrains dotPeek/ReSharper Ultimate .NET Object deserialization

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in JetBrains dotPeek and ReSharper Ultimate. This vulnerability affects unknown code of the component .NET Object Handler. The manipulation leads to deserialization. This vulnerability is uniquely identified as CVE-2018-14878. Local access is required to approach this attack. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in JetBrains dotPeek and ReSharper Ultimate (version now known). This issue affects some unknown processing of the component .NET Object Handler. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

JetBrains dotPeek before 2018.2 and ReSharper Ultimate before 2018.1.4 allow attackers to execute code by decompiling a compiled .NET object (such as a DLL or EXE file) with a specific file, because of Deserialization of Untrusted Data.

The bug was discovered 08/02/2018. The weakness was disclosed 08/13/2018 (Website). It is possible to read the advisory at blog.jetbrains.com. The identification of this vulnerability is CVE-2018-14878 since 08/02/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 11 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

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

Productinfo

Name

License

free

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/02/2018 🔍
08/02/2018 +0 days 🔍
08/13/2018 +10 days 🔍
08/13/2018 +0 days 🔍
08/14/2018 +1 days 🔍
03/15/2020 +579 days 🔍

Sourcesinfo

Advisory: blog.jetbrains.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-14878 (🔍)
GCVE (CVE): GCVE-0-2018-14878
GCVE (VulDB): GCVE-100-122807

Entryinfo

Created: 08/14/2018 08:07
Updated: 03/15/2020 09:59
Changes: 08/14/2018 08:07 (55), 03/15/2020 09:59 (2)
Complete: 🔍
Cache ID: 216::103