Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU67591
Risk: Low
CVSSv3.1: 3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-28861
CWE-ID:
CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper sanitization of user-supplied data in lib/http/server.py due to missing protection against multiple (/) at the beginning of URI path. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.
Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.
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 3.6.15-150000.3.109.1
python3-tools: before 3.6.15-150000.3.109.1
python3-tk-debuginfo: before 3.6.15-150000.3.109.1
python3-tk: before 3.6.15-150000.3.109.1
python3-idle: before 3.6.15-150000.3.109.1
python3-devel-debuginfo: before 3.6.15-150000.3.109.1
python3-devel: before 3.6.15-150000.3.109.1
python3-debugsource: before 3.6.15-150000.3.109.1
python3-debuginfo: before 3.6.15-150000.3.109.1
python3-dbm-debuginfo: before 3.6.15-150000.3.109.1
python3-dbm: before 3.6.15-150000.3.109.1
python3-curses-debuginfo: before 3.6.15-150000.3.109.1
python3-curses: before 3.6.15-150000.3.109.1
python3-core-debugsource: before 3.6.15-150000.3.109.1
python3-base-debuginfo: before 3.6.15-150000.3.109.1
python3-base: before 3.6.15-150000.3.109.1
python3: before 3.6.15-150000.3.109.1
libpython3_6m1_0-debuginfo: before 3.6.15-150000.3.109.1
libpython3_6m1_0: before 3.6.15-150000.3.109.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20223593-1/
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.