VulnerabilityModified
CVE-2020-25658
It was found that python-rsa is vulnerable to Bleichenbacher timing attacks.
MEDIUM 5.9EPSS 1.65%
Does this matter?
Lower severity and a low EPSS score (1.65%). Track it; it rarely justifies an emergency change on its own.
Description
It was found that python-rsa is vulnerable to Bleichenbacher timing attacks. An attacker can use this flaw via the RSA decryption API to decrypt parts of the cipher text encrypted with RSA.
- CVSS 3.1
- 5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.65% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-385, CWE-327
- Affected
- python-rsa project/python-rsa · redhat/openstack platform · fedoraproject/fedora
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25658Issue Tracking, Third Party Advisory
- https://github.com/sybrenstuvel/python-rsa/issues/165Exploit, Issue Tracking, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2SAF67KDGSOHLVFTRDOHNEAFDRSSYIWA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APF364QJ2IYLPDNVFBOEJ24QP2WLVLJP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QY4PJWTYSOV7ZEYZVMYIF6XRU73CY6O7/
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25658Issue Tracking, Third Party Advisory
- https://github.com/sybrenstuvel/python-rsa/issues/165Exploit, Issue Tracking, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2SAF67KDGSOHLVFTRDOHNEAFDRSSYIWA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APF364QJ2IYLPDNVFBOEJ24QP2WLVLJP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QY4PJWTYSOV7ZEYZVMYIF6XRU73CY6O7/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.