NULL pointer dereference in OpenSSL - CVE-2015-0208

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the ASN.1 signature-verification implementation in the rsa_item_verify function in crypto/rsa/rsa_ameth.c. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Affected software

How to mitigate CVE-2015-0208

External References

• https://www.openssl.org/news/secadv_20150319.txt
• https://git.openssl.org/?p=openssl.git;a=commit;h=4b22cce3812052fe64fc3f6d58d8cc884e3cb834
• https://bugzilla.redhat.com/show_bug.cgi?id=1202369
• http://www.securitytracker.com/id/1031929
• http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
• http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
• https://bto.bluecoat.com/security-advisory/sa92
• http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
• http://marc.info/?l=bugtraq&m=144050297101809&w=2
• http://marc.info/?l=bugtraq&m=143748090628601&w=2
• http://marc.info/?l=bugtraq&m=144050155601375&w=2
• http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
• http://www.securityfocus.com/bid/73230
• https://security.gentoo.org/glsa/201503-11
• https://kc.mcafee.com/corporate/index?page=content&id=SB10110
• http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html

Related Security Bulletins

• Multiple vulnerabilities in OpenSSL
• Multiple vulnerabilities in IBM FOS Firmware
• Multiple vulnerabilities in QLogic 8Gb Intelligent Pass-thru Module and SAN Switch Module for BladeCenter
• Gentoo update for OpenSSL