SUSE update for python-pyOpenSSL

1) Use-after-free error

EUVDB-ID: #VU15784

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-1000807

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error during improper handling of X509 objects. A remote unauthenticated attacker can send a specially crafted request that submits malicious input, trigger memory corruption and cause the service to crash or execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Update the affected package python-pyOpenSSL to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security: 12-SP5

SUSE Linux Enterprise Server 12 SP5 LTSS: 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

python3-pyOpenSSL: before 17.1.0-4.29.1

python-pyOpenSSL: before 17.1.0-4.29.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_12_sp5_ltss_extended_security:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_12_sp5_ltss:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:a:suse:python3-pyopenssl:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-pyopenssl:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20243749-1/

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.