Security Bulletin: IBM Aspera High-Speed Transfer Server, Endpoint, and Desktop Client are vulnerable to libcurl vulnerabilities (CVE-2021-22901, CVE-2021-22898)

Security Bulletin

Summary

The following libcurl security vulnerabilities have been addressed for Aspera High-Speed Tranfer Server (HSTS) , Aspera High-Speed Transfer Endpoint (HSTE), and Deskstop Client.

Vulnerability Details

CVEID: CVE-2021-22901
DESCRIPTION: cURL libcurl could allow a remote attacker to execute arbitrary code on the system, caused by a flaw when a new TLS session is negotiated or a client certificate is requested on an existing connection. By persuading a victim to visit a specially-crafted Web site, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/202563 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

CVEID: CVE-2021-22898
DESCRIPTION: cURL libcurl could allow a remote attacker to obtain sensitive information, caused by a flaw in the option parser for sending NEW_ENV variables. By sending a specially-crafted request using a clear-text network protocol, an attacker could exploit this vulnerability to obtain sensitive internal information to the server, and use this information to launch further attacks against the affected system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/202562 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM Aspera Desktop Client	4.1 and earlier
IBM Aspera High-Speed Transfer Server	4.1 and earlier
IBM Aspera High-Speed Transfer Endpoint	4.1 and earlier

Remediation/Fixes

Fixed in	Version(s)
IBM Aspera Desktop Client	4.2
IBM Aspera High-Speed Transfer Server	4.2
IBM Aspera High-Speed Transfer Endpoint	4.2

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

HSTS 4.2 Release Notes: https://www.ibm.com/docs/en/ahts/4.2?topic=notes-release-aspera-hsts-420

Change History

22 Sep 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: IBM Aspera High-Speed Transfer Server, Endpoint, and Desktop Client are vulnerable to libcurl vulnerabilities (CVE-2021-22901, CVE-2021-22898)