Security Bulletin: cURL libcurl vulnerabilites impacting Aspera High-Speed Transfer Server and Aspera High-Speed Transfer Endpoint 4.0 and earlier (CVE-2020-8284, CVE-2020-8286, CVE-2020-8285)

Security Bulletin

Summary

The cURL libcurl vulnerabilities CVE-2020-8284, CVE-2020-8286 and CVE-2020-8285 impacts Aspera High-Speed Transfer Server and Aspera High-Speed Transfer Endpoint 4.0.0 and earlier. The fix is delivered in Aspera High-Speed Transfer Server and Aspera High-Speed Transfer Endpoint 4.1.0.

Vulnerability Details

CVEID: CVE-2020-8284
DESCRIPTION: cURL libcurl could allow a remote attacker to obtain sensitive information, caused by improper validation of FTP PASV responses. By persuading a victim to connect a specially-crafted server, an attacker could exploit this vulnerability to obtain sensitive information about services, and use this information to launch further attacks against the affected system.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/192854 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)

CVEID: CVE-2020-8286
DESCRIPTION: cURL libcurl could allow a remote attacker to bypass security restrictions, caused by improper OCSP response verification. By sending a specially-crafted request, an attacker could exploit this vulnerability to breach a TLS server.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/192856 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)

CVEID: CVE-2020-8285
DESCRIPTION: cURL libcurl is vulnerable to a denial of service, caused by a stack-based buffer overflow in the wildcard matching function. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/192855 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM Aspera High-Speed Transfer Server	4.0.0 and earlier
IBM Aspera High-Speed Transfer Endpoint	4.0.0 and earlier

Remediation/Fixes

Affected Product(s)	Fix in Version(s)
IBM Aspera High-Speed Transfer Server	4.1.0
IBM Aspera High-Speed Transfer Endpoint	4.1.0

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

04 Jun 2021: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Tips

Security Bulletin: cURL libcurl vulnerabilites impacting Aspera High-Speed Transfer Server and Aspera High-Speed Transfer Endpoint 4.0 and earlier (CVE-2020-8284, CVE-2020-8286, CVE-2020-8285)