CVE-2015-1792

Description

The do_free_upto function in crypto/cms/cms_smime.c in OpenSSL before 0.9.8zg, 1.0.0 before 1.0.0s, 1.0.1 before 1.0.1n, and 1.0.2 before 1.0.2b allows remote attackers to cause a denial of service (infinite loop) via vectors that trigger a NULL value of a BIO data structure, as demonstrated by an unrecognized X.660 OID for a hash function.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 15.10% Top 10%
Vendor Advisory opensuse.org Vendor Advisory marc.info Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory marc.info Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory cisco.com Vendor Advisory opensuse.org Vendor Advisory apple.com Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory netbsd.org Vendor Advisory marc.info Vendor Advisory openssl.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00006.html vendor advisory
http://marc.info/?l=bugtraq&m=143880121627664&w=2 vendor advisory
http://www.debian.org/security/2015/dsa-3287 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00026.html vendor advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10122
http://fortiguard.com/advisory/openssl-vulnerabilities-june-2015
http://marc.info/?l=bugtraq&m=144050155601375&w=2 vendor advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05353965
https://openssl.org/news/secadv/20150611.txt
http://rhn.redhat.com/errata/RHSA-2015-1115.html vendor advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00004.html vendor advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00024.html vendor advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05184351
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html vendor advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
http://www.securitytracker.com/id/1032564 vdb entry
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380
http://www.fortiguard.com/advisory/2015-06-11-fortinet-vulnerability-openssl-vulnerabilities-june-2015
http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160647.html vendor advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150612-openssl vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00037.html vendor advisory
http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html vendor advisory
http://www.ubuntu.com/usn/USN-2639-1 vendor advisory
http://www.fortiguard.com/advisory/openssl-vulnerabilities-june-2015
http://www.securityfocus.com/bid/75154 vdb entry
https://security.gentoo.org/glsa/201506-02 vendor advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05131044
http://www.securityfocus.com/bid/91787 vdb entry
https://github.com/openssl/openssl/commit/cd30f03ac5bf2962f44bd02ae8d88245dff2f12c
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05045763
http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160436.html vendor advisory
https://support.apple.com/kb/HT205031
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
https://support.citrix.com/article/CTX216642
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00007.html vendor advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10694
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00023.html vendor advisory
https://bto.bluecoat.com/security-advisory/sa98
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2015-008.txt.asc vendor advisory
https://www.openssl.org/news/secadv_20150611.txt vendor advisory
http://marc.info/?l=bugtraq&m=143654156615516&w=2 vendor advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

Frequently Asked Questions

What is the severity of CVE-2015-1792?
CVE-2015-1792 has been scored as a medium severity vulnerability.
How to fix CVE-2015-1792?
To fix CVE-2015-1792, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-1792 being actively exploited in the wild?
It is possible that CVE-2015-1792 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~15% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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