SUSE update for Feature update for python-M2Crypto

1) Information Exposure Through Timing Discrepancy

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

Description

The 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.

Mitigation

Update the affected package Feature update for python-M2Crypto to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server 15 SP4 LTSS: 15-SP4

SUSE Linux Enterprise High Performance Computing LTSS 15: SP4

SUSE Linux Enterprise High Performance Computing ESPOS 15: SP4

SUSE Linux Enterprise Desktop 15 SP4 LTSS: 15-SP4

Python 3 Module: 15-SP5

SUSE Linux Enterprise Server for SAP Applications 15: SP4 - SP5

SUSE Linux Enterprise Server 15: SP4 - SP5

SUSE Linux Enterprise High Performance Computing 15: SP4 - SP5

SUSE Linux Enterprise Desktop 15: SP5

openSUSE Leap: 15.4 - 15.5

python-M2Crypto-doc: before 0.40.0-150400.3.9.1

python311-M2Crypto: before 0.40.0-150400.3.9.1

python-M2Crypto-debugsource: before 0.40.0-150400.3.9.1

python311-M2Crypto-debuginfo: before 0.40.0-150400.3.9.1

External links

http://www.suse.com/support/update/announcement/2024/suse-fu-20241448-1/

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.