CVE-2015-3194

high-risk
Published 2015-12-06

crypto/rsa/rsa_ameth.c in OpenSSL 1.0.1 before 1.0.1q and 1.0.2 before 1.0.2e allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an RSA PSS ASN.1 signature that lacks a mask generation function parameter.

Do I need to act?

!
51.9% chance of exploitation in next 30 days
EPSS score — higher than 48% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Nodejs Canonical Debian Openssl

References (76)

Third Party Advisory http://fortiguard.com/advisory/openssl-advisory-december-2015
Third Party Advisory http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
Third Party Advisory http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
Mailing List http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173801.h...
Mailing List http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00053.html
Mailing List http://lists.opensuse.org/opensuse-updates/2015-12/msg00070.html
Mailing List http://lists.opensuse.org/opensuse-updates/2015-12/msg00071.html
Mailing List http://lists.opensuse.org/opensuse-updates/2015-12/msg00087.html
Mailing List http://marc.info/?l=bugtraq&m=145382583417444&w=2
Vendor Advisory http://openssl.org/news/secadv/20151203.txt
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2015-2617.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-2957.html
Third Party Advisory http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20...
Third Party Advisory http://www.debian.org/security/2015/dsa-3413
Third Party Advisory http://www.fortiguard.com/advisory/openssl-advisory-december-2015
Patch http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
Patch http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
Patch http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Vendor Advisory http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
and 56 more references
66
/ 100
high-risk
Severity 26/34 · High
Exploitability 18/34 · Moderate
Exposure 22/34 · High