Bug 1178676 (CVE-2020-25658) - VUL-0: CVE-2020-25658: python-rsa: bleichenbacher timing oracle attack against RSA decryption
Summary: VUL-0: CVE-2020-25658: python-rsa: bleichenbacher timing oracle attack agains...
Status: RESOLVED FIXED
Alias: CVE-2020-25658
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents (show other bugs)
Version: unspecified
Hardware: Other Other
: P3 - Medium : Major
Target Milestone: ---
Assignee: Security Team bot
QA Contact: Security Team bot
URL: https://smash.suse.de/issue/271192/
Whiteboard: CVSSv3.1:SUSE:CVE-2020-25658:5.9:(AV:...
Keywords:
Depends on:
Blocks:
 
Reported: 2020-11-11 14:27 UTC by Robert Frohl
Modified: 2024-05-28 12:00 UTC (History)
7 users (show)

See Also:
Found By: Security Response Team
Services Priority:
Business Priority:
Blocker: ---
Marketing QA Status: ---
IT Deployment: ---


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Description Robert Frohl 2020-11-11 14:27:21 UTC
rh#1889972

Python-rsa is vulnerable to Bleichenbacher timing attacks in the RSA decryption API, via timed processing of valid PKCS#1 v1.5 ciphertext.

References:
https://bugzilla.redhat.com/show_bug.cgi?id=1889972
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-25658
https://access.redhat.com/security/cve/CVE-2020-25658
Comment 4 Robert Schweikert 2022-10-17 21:58:42 UTC
Fell victim to e-mail overload

submitted
Comment 10 Swamp Workflow Management 2022-11-10 14:33:25 UTC
SUSE-SU-2022:3932-1: An update that fixes one vulnerability is now available.

Category: security (moderate)
Bug References: 1178676
CVE References: CVE-2020-25658
JIRA References: 
Sources used:
openSUSE Leap Micro 5.2 (src):    python-rsa-3.4.2-150000.3.7.1
openSUSE Leap 15.4 (src):    python-rsa-3.4.2-150000.3.7.1
openSUSE Leap 15.3 (src):    python-rsa-3.4.2-150000.3.7.1
SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP4 (src):    python-rsa-3.4.2-150000.3.7.1
SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP3 (src):    python-rsa-3.4.2-150000.3.7.1
SUSE Linux Enterprise Module for Basesystem 15-SP4 (src):    python-rsa-3.4.2-150000.3.7.1
SUSE Linux Enterprise Module for Basesystem 15-SP3 (src):    python-rsa-3.4.2-150000.3.7.1
SUSE Linux Enterprise Micro 5.3 (src):    python-rsa-3.4.2-150000.3.7.1
SUSE Linux Enterprise Micro 5.2 (src):    python-rsa-3.4.2-150000.3.7.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
Comment 16 Maintenance Automation 2023-03-07 16:30:01 UTC
SUSE-SU-2023:0648-1: An update that solves one vulnerability can now be installed.

Category: security (moderate)
Bug References: 1178676
CVE References: CVE-2020-25658
Sources used:
Public Cloud Module 12 (src): python-rsa-3.1.4-12.19.2

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
Comment 17 OBSbugzilla Bot 2023-10-06 12:34:14 UTC
This is an autogenerated message for OBS integration:
This bug (1178676) was mentioned in
https://build.opensuse.org/request/show/1116020 Factory / python-rsa
Comment 18 Carlos López 2024-05-28 12:00:08 UTC
Done, closing.