medium
6.4
CWE
22
Advisory Published
Updated

CVE-2020-15858: Path Traversal

First published: Fri Aug 21 2020(Updated: )

Some devices of Thales DIS (formerly Gemalto, formerly Cinterion) allow Directory Traversal by physically proximate attackers. The directory path access check of the internal flash file system can be circumvented. This flash file system can store application-specific data and data needed for customer Java applications, TLS and OTAP (Java over-the-air-provisioning) functionality. The affected products and releases are: BGS5 up to and including SW RN 02.000 / ARN 01.001.06 EHSx and PDSx up to and including SW RN 04.003 / ARN 01.000.04 ELS61 up to and including SW RN 02.002 / ARN 01.000.04 ELS81 up to and including SW RN 05.002 / ARN 01.000.04 PLS62 up to and including SW RN 02.000 / ARN 01.000.04

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Thalesgroup Bgs5 Firmware<=rn_02.000_\/_arn_01.001.06
Thalesgroup Bgs5
Thalesgroup Ehs5 Firmware<=rn_04.003_\/_arn_01.000.04
Thalesgroup Ehs5
Thalesgroup Ehs8 Firmware<=rn_04.003_\/_arn_01.000.04
Thalesgroup Ehs8
Thalesgroup Ehs6 Firmware<=rn_04.003_\/_arn_01.000.04
Thalesgroup Ehs6
Thalesgroup Pds5 Firmware<=rn_04.003_\/_arn_01.000.04
Thalesgroup Pds5
Thalesgroup Pds6 Firmware<=rn_04.003_\/_arn_01.000.04
Thalesgroup Pds6
Thalesgroup Els61 Firmware<=rn_02.002_\/_arn_01.000.04
Thalesgroup Els61
Thalesgroup Els81 Firmware<=rn_05.002_\/_arn_01.000.04
Thalesgroup Els81
Thalesgroup Pls62 Firmware<=rn_02.000_\/_arn_01.000.04
Thalesgroup Pls62

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Reference Links

Frequently Asked Questions

  • Which devices are affected by CVE-2020-15858?

    Some devices of Thales DIS (formerly Gemalto, formerly Cinterion) are affected.

  • What is the severity rating of CVE-2020-15858?

    The severity rating of CVE-2020-15858 is medium with a CVSS score of 6.4.

  • How can physical proximity attackers exploit CVE-2020-15858?

    Physical proximity attackers can exploit CVE-2020-15858 by performing directory traversal and circumventing the directory path access check of the internal flash file system.

  • How can I fix CVE-2020-15858?

    To fix CVE-2020-15858, apply the security updates provided by Thales Group for the affected devices.

  • Where can I find more information about CVE-2020-15858?

    You can find more information about CVE-2020-15858 at the following references: [Reference 1](http://packetstormsecurity.com/files/171978/Telit-Cinterion-IoT-Traversal-Escalation-Bypass-Heap-Overflow.html), [Reference 2](http://seclists.org/fulldisclosure/2023/Apr/11), [Reference 3](https://www.thalesgroup.com/en/markets/digital-identity-and-security/iot/resources/security-updates-cinterion-iot-modules).

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