SUSE update for python3

1) Code Injection

EUVDB-ID: #VU50621

Risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-27619

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to Python executed eval() function on the code, retrieved via HTTP protocol in Lib/test/multibytecodec_support.py CJK codec tests. A remote attacker with ability to intercept network traffic can perform a Man-in-the-Middle (MitM) attack and execute arbitrary Python code on the system.

Mitigation

Update the affected package python3 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 12-SP2-BCL - 12-SP5

SUSE Linux Enterprise Module for Web Scripting: 12

SUSE OpenStack Cloud Crowbar: 8 - 9

SUSE Linux Enterprise Software Development Kit: 12-SP5

SUSE Linux Enterprise Server for SAP: 12-SP3 - 12-SP4

HPE Helion Openstack: 8

SUSE OpenStack Cloud: 8 - 9

python3-base-debuginfo-32bit: before 3.4.10-25.71.1

libpython3_4m1_0-debuginfo-32bit: before 3.4.10-25.71.1

libpython3_4m1_0-32bit: before 3.4.10-25.71.1

python3-tk-debuginfo: before 3.4.10-25.71.1

python3-tk: before 3.4.10-25.71.1

python3-dbm-debuginfo: before 3.4.10-25.71.1

python3-dbm: before 3.4.10-25.71.1

python3-devel-debuginfo: before 3.4.10-25.71.1

python3-devel: before 3.4.10-25.71.1

python3-debugsource: before 3.4.10-25.71.1

python3-debuginfo: before 3.4.10-25.71.1

python3-curses-debuginfo: before 3.4.10-25.71.1

python3-curses: before 3.4.10-25.71.1

python3-base-debugsource: before 3.4.10-25.71.1

python3-base-debuginfo: before 3.4.10-25.71.1

python3-base: before 3.4.10-25.71.1

python3: before 3.4.10-25.71.1

libpython3_4m1_0-debuginfo: before 3.4.10-25.71.1

libpython3_4m1_0: before 3.4.10-25.71.1

External links

http://www.suse.com/support/update/announcement/2021/suse-su-20211621-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.