Red Hat update for python



Published: 2018-07-04
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-2183
CWE-ID CWE-327
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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Red Hat Enterprise Linux Server
Operating systems & Components / Operating system

Red Hat Enterprise Linux for IBM z Systems
Operating systems & Components / Operating system

Red Hat Enterprise Linux for Scientific Computing
Operating systems & Components / Operating system

Red Hat Enterprise Linux EUS Compute Node
Operating systems & Components / Operating system

Red Hat Enterprise Linux for ARM
Operating systems & Components / Operating system

Red Hat Enterprise Linux for Power
Operating systems & Components / Operating system

Red Hat Enterprise Linux Desktop
Operating systems & Components / Operating system

Red Hat Enterprise Linux Workstation
Operating systems & Components / Operating system

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU370

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2016-2183

CWE-ID: CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Exploit availability: No

Description

The vulnerability allows a remote attacker to decrypt transmitted data.

The vulnerability exists due to remote user's ability to control the network and capture long duration 3DES CBC mode encrypted session during which he can see a part of the text. In case of repeated sending the attacker can read the part and reconstruct the whole text.

Successful exploitation of this vulnerability may allow a remote attacker to decode transmitted data. This vulnerability is known as SWEET32.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server: 7 - 7.5

Red Hat Enterprise Linux for IBM z Systems: 7 - 7.5

Red Hat Enterprise Linux for Scientific Computing: 7

Red Hat Enterprise Linux EUS Compute Node: 7.5

Red Hat Enterprise Linux for ARM: 6.4

Red Hat Enterprise Linux for Power: 7 - 9

Red Hat Enterprise Linux Desktop: 7

Red Hat Enterprise Linux Workstation: 7

External links

http://access.redhat.com/errata/RHSA-2018:2123


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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