Security Bulletin
This security bulletin contains one medium risk vulnerability.
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
DescriptionThe 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.
MitigationUpdate the affected package python3 to the latest version.
Vulnerable software versionsSUSE Enterprise Storage: 6 - 7.1
SUSE Manager Server: 4.1
SUSE Manager Retail Branch Server: 4.1
SUSE Manager Proxy: 4.1
SUSE Linux Enterprise Server for SAP: 15-SP1 - 15-SP2
SUSE Linux Enterprise Server: 15-LTSS - 15-SP2-LTSS
SUSE Linux Enterprise High Performance Computing: 15-ESPOS - 15-SP2-LTSS
SUSE CaaS Platform: 4.0
SUSE Linux Enterprise Micro: 5.1
python3-testsuite: before 3.6.15-150000.3.119.1
python3-tools: before 3.6.15-150000.3.119.1
python3-tk-debuginfo: before 3.6.15-150000.3.119.1
python3-tk: before 3.6.15-150000.3.119.1
python3-idle: before 3.6.15-150000.3.119.1
python3-devel-debuginfo: before 3.6.15-150000.3.119.1
python3-devel: before 3.6.15-150000.3.119.1
python3-debugsource: before 3.6.15-150000.3.119.1
python3-debuginfo: before 3.6.15-150000.3.119.1
python3-dbm-debuginfo: before 3.6.15-150000.3.119.1
python3-dbm: before 3.6.15-150000.3.119.1
python3-curses-debuginfo: before 3.6.15-150000.3.119.1
python3-curses: before 3.6.15-150000.3.119.1
python3-core-debugsource: before 3.6.15-150000.3.119.1
python3-base-debuginfo: before 3.6.15-150000.3.119.1
python3-base: before 3.6.15-150000.3.119.1
python3: before 3.6.15-150000.3.119.1
libpython3_6m1_0-debuginfo: before 3.6.15-150000.3.119.1
libpython3_6m1_0: before 3.6.15-150000.3.119.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20224258-1/
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.