Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU50814
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-23336
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform web cache spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input in django.utils.http.limited_parse_qsl() when parsing strings with a semicolon (";"). A remote attacker can pass specially crafted data to the application and perform a spoofing attack.
MitigationUpdate the affected package python3 to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Module for Web Scripting: 12
SUSE Linux Enterprise Software Development Kit: 12-SP5
SUSE Linux Enterprise Server: 12-SP5
python3-base-debuginfo-32bit: before 3.4.10-25.66.1
libpython3_4m1_0-debuginfo-32bit: before 3.4.10-25.66.1
libpython3_4m1_0-32bit: before 3.4.10-25.66.1
python3-tk-debuginfo: before 3.4.10-25.66.1
python3-tk: before 3.4.10-25.66.1
python3-curses-debuginfo: before 3.4.10-25.66.1
python3-curses: before 3.4.10-25.66.1
python3-base: before 3.4.10-25.66.1
python3: before 3.4.10-25.66.1
libpython3_4m1_0-debuginfo: before 3.4.10-25.66.1
libpython3_4m1_0: before 3.4.10-25.66.1
python3-devel-debuginfo: before 3.4.10-25.66.1
python3-devel: before 3.4.10-25.66.1
python3-debugsource: before 3.4.10-25.66.1
python3-debuginfo: before 3.4.10-25.66.1
python3-dbm-debuginfo: before 3.4.10-25.66.1
python3-dbm: before 3.4.10-25.66.1
python3-base-debugsource: before 3.4.10-25.66.1
python3-base-debuginfo: before 3.4.10-25.66.1
External linkshttp://www.suse.com/support/update/announcement/2021/suse-su-20210886-1/
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.