CVE-2015-0204
The ssl3_get_key_exchange function in s3_clnt.c in OpenSSL before 0.9.8zd, 1.0.0 before 1.0.0p, and 1.0.1 before 1.0.1k allows remote SSL servers to conduct RSA-to-EXPORT_RSA downgrade attacks and facilitate brute-force decryption by offering a weak…
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EPSS puts the probability of exploitation in the next 30 days at 98.7%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
The ssl3_get_key_exchange function in s3_clnt.c in OpenSSL before 0.9.8zd, 1.0.0 before 1.0.0p, and 1.0.1 before 1.0.1k allows remote SSL servers to conduct RSA-to-EXPORT_RSA downgrade attacks and facilitate brute-force decryption by offering a weak ephemeral RSA key in a noncompliant role, related to the "FREAK" issue. NOTE: the scope of this CVE is only client code based on OpenSSL, not EXPORT_RSA issues associated with servers or other TLS implementations.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 98.69% probability · 100th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-310
- Affected
- openssl/openssl
- Source
- secalert@redhat.com
References
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10679
- http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00027.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00022.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html
- http://marc.info/?l=bugtraq&m=142496179803395&w=2
- http://marc.info/?l=bugtraq&m=142496289803847&w=2
- http://marc.info/?l=bugtraq&m=142720981827617&w=2
- http://marc.info/?l=bugtraq&m=142721102728110&w=2
- http://marc.info/?l=bugtraq&m=142895206924048&w=2
- http://marc.info/?l=bugtraq&m=143213830203296&w=2
- http://marc.info/?l=bugtraq&m=143748090628601&w=2
- http://marc.info/?l=bugtraq&m=144043644216842&w=2
- http://marc.info/?l=bugtraq&m=144050155601375&w=2
- http://marc.info/?l=bugtraq&m=144050205101530&w=2
- http://marc.info/?l=bugtraq&m=144050254401665&w=2
- http://marc.info/?l=bugtraq&m=144050297101809&w=2
- http://rhn.redhat.com/errata/RHSA-2015-0066.html
- http://rhn.redhat.com/errata/RHSA-2015-0800.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.