#VU41412 Input validation error in OpenSSL - CVE-2014-3510
Vulnerability identifier: #VU41412
Vulnerability risk: Medium
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
OpenSSL
Server applications /
Encryption software
Vendor: OpenSSL Software Foundation
Description
The vulnerability allows remote DTLS servers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference and client application crash) via a crafted handshake message in conjunction with a (1) anonymous DH or (2) anonymous ECDH ciphersuite.
Mitigation
Install update from vendor's website.
Vulnerable software versions
OpenSSL: 0.9.8y - 0.9.8p, 1.0.0g - 1.0.0, 1.0.1c - 1.0.1
External links
https:httpftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2014-008.txt.asc
https://aix.software.ibm.com/aix/efixes/security/openssl_advisory10.asc
https://linux.oracle.com/errata/ELSA-2014-1052.html
https://linux.oracle.com/errata/ELSA-2014-1053.html
https://lists.fedoraproject.org/pipermail/package-announce/2014-August/136470.html
https://lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.html
https://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html
https://lists.opensuse.org/opensuse-updates/2014-08/msg00036.html
https://marc.info/?l=bugtraq&m=140853041709441&w=2
https://marc.info/?l=bugtraq&m=141077370928502&w=2
https://marc.info/?l=bugtraq&m=142660345230545&w=2
https://rhn.redhat.com/errata/RHSA-2014-1256.html
https://rhn.redhat.com/errata/RHSA-2014-1297.html
https://secunia.com/advisories/58962
https://secunia.com/advisories/59221
https://secunia.com/advisories/59700
https://secunia.com/advisories/59710
https://secunia.com/advisories/59743
https://secunia.com/advisories/59756
https://secunia.com/advisories/60022
https://secunia.com/advisories/60221
https://secunia.com/advisories/60493
https://secunia.com/advisories/60684
https://secunia.com/advisories/60687
https://secunia.com/advisories/60778
https://secunia.com/advisories/60803
https://secunia.com/advisories/60824
https://secunia.com/advisories/60917
https://secunia.com/advisories/60921
https://secunia.com/advisories/60938
https://secunia.com/advisories/61017
https://secunia.com/advisories/61045
https://secunia.com/advisories/61100
https://secunia.com/advisories/61184
https://secunia.com/advisories/61250
https://secunia.com/advisories/61775
https://secunia.com/advisories/61959
https://security.gentoo.org/glsa/glsa-201412-39.xml
https://support.f5.com/kb/en-us/solutions/public/15000/500/sol15568.html
https://www.debian.org/security/2014/dsa-2998
https://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-372998.htm
https://www.mandriva.com/security/advisories?name=MDVSA-2014:158
https://www.securityfocus.com/bid/69082
https://www.securitytracker.com/id/1030693
https://www-01.ibm.com/support/docview.wss?uid=nas8N1020240
https://www-01.ibm.com/support/docview.wss?uid=swg21682293
https://www-01.ibm.com/support/docview.wss?uid=swg21683389
https://www-01.ibm.com/support/docview.wss?uid=swg21686997
https://bugzilla.redhat.com/show_bug.cgi?id=1127503
https://exchange.xforce.ibmcloud.com/vulnerabilities/95164
https://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=17160033765480453be0a41335fa6b833691c049
https://lists.balabit.hu/pipermail/syslog-ng-announce/2014-September/000196.html
https://www.freebsd.org/security/advisories/FreeBSD-SA-14:18.openssl.asc
https://www.openssl.org/news/secadv_20140806.txt
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
