Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU97633
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-5642
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to CPython 3.9 and earlier doesn't disallow configuring an empty list ("[]") for SSLContext.set_npn_protocols() which is an invalid value for the underlying OpenSSL API when NPN is used. A remote attacker can trigger an out-of-bounds read error and perform a denial of service (DoS) attack.
MitigationUpdate the affected package python36 to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Software Development Kit 12: SP5
SUSE Linux Enterprise Server for SAP Applications 12: SP5
SUSE Linux Enterprise Server 12: SP5
SUSE Linux Enterprise High Performance Computing 12: SP5
python36-devel: before 3.6.15-64.1
libpython3_6m1_0-32bit: before 3.6.15-64.1
libpython3_6m1_0-debuginfo-32bit: before 3.6.15-64.1
python36: before 3.6.15-64.1
python36-base-debuginfo: before 3.6.15-64.1
python36-debugsource: before 3.6.15-64.1
libpython3_6m1_0-debuginfo: before 3.6.15-64.1
python36-debuginfo: before 3.6.15-64.1
libpython3_6m1_0: before 3.6.15-64.1
python36-base: before 3.6.15-64.1
CPE2.3http://www.suse.com/support/update/announcement/2024/suse-su-20243353-1/
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.