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 Enterprise Storage: 6 - 7.1
SUSE Linux Enterprise Storage: 7.1
SUSE Linux Enterprise Module for Public Cloud: 15
SUSE Linux Enterprise Module for Python2: 15-SP3
SUSE Linux Enterprise Server for SAP Applications: 15 - 15-SP3
SUSE Linux Enterprise High Performance Computing: 15 - 15-SP3
SUSE Linux Enterprise Server: 15-LTSS - 15-SP3
SUSE Manager Retail Branch Server: 4.1 - 4.2
SUSE Linux Enterprise Micro: 5.1 - 5.2
SUSE Manager Server: 4.1 - 4.2
SUSE Manager Proxy: 4.1 - 4.2
SUSE Linux Enterprise Server for SAP: 15-SP1 - 15-SP2
SUSE Linux Enterprise Desktop: 15-SP3
SUSE CaaS Platform: 4.0
openSUSE Leap: 15.3 - 15.4
SUSE Linux Enterprise Module for Basesystem: 15-SP3
python-M2Crypto-doc: before 0.35.2-150000.3.14.1
python3-M2Crypto-debuginfo: before 0.35.2-150000.3.14.1
python3-M2Crypto: before 0.35.2-150000.3.14.1
python2-M2Crypto-debuginfo: before 0.35.2-150000.3.14.1
python2-M2Crypto: before 0.35.2-150000.3.14.1
python-M2Crypto-debugsource: before 0.35.2-150000.3.14.1
python-M2Crypto-debuginfo: before 0.35.2-150000.3.14.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20222562-1/
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.