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HistoryJul 30, 2021 - 5:01 a.m.

Security Bulletin: Vulnerabilities in the Python, Python cryptography , and Urllib3 affect IBM Spectrum Discover.

2021-07-3005:01:15
www.ibm.com
8

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.02 Low

EPSS

Percentile

87.1%

Summary

Vulnerabilities in Python, Python cryptography , and Urllib3 such as buffering problems, SSL certificate validations for HTTP & HTTPS, Bleichenbacher timing attacks in the RSA decryption API, may affect IBM Spectrum Discover.

Vulnerability Details

CVEID:CVE-2020-36242
**DESCRIPTION:**Cryptography could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow and a buffer overflow. By using certain sequences of update calls to symmetrically encrypt multi-GB values, a remote attacker could exploit this vulnerability to execute arbitrary code on the system or cause a denial of service.
CVSS Base score: 9.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196426 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)

CVEID:CVE-2020-25659
**DESCRIPTION:**python-cryptography could allow a remote attacker to obtain sensitive information, caused by a Bleichenbacher timing attack. By sending a specially-crafted request using the RSA decryption API, an attacker could exploit this vulnerability to obtain parts of the cipher text encrypted with RSA, and use this information to launch further attacks against the affected system.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/192485 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2021-28363
**DESCRIPTION:**urllib3 for python is vulnerable to a man-in-the-middle attack, caused by improper certificate validation in some cases involving HTTPS to HTTPS proxies. An attacker could exploit this vulnerability to launch a man-in-the-middle attack and gain access to the communication channel between endpoints to obtain sensitive information or further compromise the system.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/198199 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N)

CVEID:CVE-2021-3177
**DESCRIPTION:**Python is vulnerable to a buffer overflow, caused by improper bounds checking by the PyCArg_repr function in _ctypes/callproc.c. By sending specially-crafted arguments to c_double.from_param, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/195244 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s) Version(s)
Spectrum Discover 2.0.3
Spectrum Discover 2.0.3.1
Spectrum Discover 2.0.3.2
Spectrum Discover 2.0.3.3
Spectrum Discover 2.0.3.4
Spectrum Discover 2.0.4
Spectrum Discover 2.0.4.1

Remediation/Fixes

Installed versions of Spectrum Discover (2.0.3, 2.0.3.1, 2.0.3.2, 2.0.3.3, 2.0.3.4, 2.0.4, 2.0.4.1) can be upgraded to fixed version using the IBM Spectrum Discover 2.0.3.5 upgrader and IBM Spectrum Discover 2.0.4.2 upgrader.

Workarounds and Mitigations

None

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.02 Low

EPSS

Percentile

87.1%

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