Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU65771
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-25657
CWE-ID:
CWE-208 - Information Exposure Through Timing Discrepancy
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to possibility of the Bleichenbacher timing attack in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. A remote attacker can gain access to sensitive information.
Update the affected package python-M2Crypto to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Server for SAP Applications: 12-SP3 - 12-SP5
SUSE Linux Enterprise High Performance Computing: 12
SUSE Linux Enterprise Module for Public Cloud: 12
SUSE Linux Enterprise Server: 12-SP2-BCL - 12-SP5
SUSE OpenStack Cloud Crowbar: 9
SUSE Linux Enterprise Server for SAP: 12-SP4
SUSE OpenStack Cloud: 9
python3-M2Crypto-debuginfo: before 0.29.0-23.8.1
python3-M2Crypto: before 0.29.0-23.8.1
python-M2Crypto-debugsource: before 0.29.0-23.8.1
python-M2Crypto-debuginfo: before 0.29.0-23.8.1
python-M2Crypto: before 0.29.0-23.8.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20222527-1/
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.