Lucene search

K
ibmIBM89EDB053A13178ECCE22E53127E4E3457976D1CD3AF94B502528C97684F15BB8
HistoryJun 04, 2021 - 1:09 a.m.

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

2021-06-0401:09:08
www.ibm.com
38

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.007 Low

EPSS

Percentile

80.5%

Summary

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

Workarounds and Mitigations

None

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.007 Low

EPSS

Percentile

80.5%