SUSE update for python

1) Resource exhaustion

EUVDB-ID: #VU69392

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-45061

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to usage of an unnecessary quadratic algorithm in one path when processing some inputs to the IDNA (RFC 3490) decoder. A remote attacker can pass a specially crafted name to he decoder, trigger resource excessive CPU consumption and perform a denial of service (DoS) attack.

Mitigation

Update the affected package python to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 12-SP2-BCL

python-xml-debuginfo: before 2.7.18-28.93.1

python-xml: before 2.7.18-28.93.1

python-tk-debuginfo: before 2.7.18-28.93.1

python-tk: before 2.7.18-28.93.1

python-idle: before 2.7.18-28.93.1

python-gdbm-debuginfo: before 2.7.18-28.93.1

python-gdbm: before 2.7.18-28.93.1

python-demo: before 2.7.18-28.93.1

python-debugsource: before 2.7.18-28.93.1

python-debuginfo-32bit: before 2.7.18-28.93.1

python-debuginfo: before 2.7.18-28.93.1

python-curses-debuginfo: before 2.7.18-28.93.1

python-curses: before 2.7.18-28.93.1

python-base-debugsource: before 2.7.18-28.93.1

python-base-debuginfo-32bit: before 2.7.18-28.93.1

python-base-debuginfo: before 2.7.18-28.93.1

python-base-32bit: before 2.7.18-28.93.1

python-base: before 2.7.18-28.93.1

python-32bit: before 2.7.18-28.93.1

python: before 2.7.18-28.93.1

libpython2_7-1_0-debuginfo-32bit: before 2.7.18-28.93.1

libpython2_7-1_0-debuginfo: before 2.7.18-28.93.1

libpython2_7-1_0-32bit: before 2.7.18-28.93.1

libpython2_7-1_0: before 2.7.18-28.93.1

python-doc-pdf: before 2.7.18-28.93.1

python-doc: before 2.7.18-28.93.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230213-1/

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.