VDB-102878 · CVE-2017-9830 · Qualys 11941

Code42 CrashPlan 5.4.x RMI Server org.apache.commons.ssl.rmi.DateRMI deserialization

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Code42 CrashPlan 5.4.x. It has been declared as critical. The affected element is the function org.apache.commons.ssl.rmi.DateRMI of the component RMI Server. Such manipulation leads to deserialization. This vulnerability is listed as CVE-2017-9830. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Code42 CrashPlan 5.4.x. It has been rated as critical. Affected by this issue is the function org.apache.commons.ssl.rmi.DateRMI of the component RMI Server. 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. CVE summarizes:

Remote Code Execution is possible in Code42 CrashPlan 5.4.x via the org.apache.commons.ssl.rmi.DateRMI Java class, because (upon instantiation) it creates an RMI server that listens on a TCP port and deserializes objects sent by TCP clients.

The bug was discovered 02/15/2018. The weakness was presented 06/27/2017 (Website). The advisory is available at blog.radicallyopensecurity.com. This vulnerability is handled as CVE-2017-9830 since 06/23/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 11941 (Code42 CrashPlan Deserialization Remote Code Execution Vulnerability).

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

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/23/2017 🔍
06/27/2017 +4 days 🔍
06/27/2017 +0 days 🔍
06/28/2017 +1 days 🔍
02/15/2018 +232 days 🔍
10/21/2019 +613 days 🔍

Sourcesinfo

Advisory: blog.radicallyopensecurity.com
Status: Not defined

CVE: CVE-2017-9830 (🔍)
GCVE (CVE): GCVE-0-2017-9830
GCVE (VulDB): GCVE-100-102878

Entryinfo

Created: 06/28/2017 07:57
Updated: 10/21/2019 06:53
Changes: 06/28/2017 07:57 (59), 10/21/2019 06:53 (1)
Complete: 🔍
Cache ID: 216::103

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