Vulnerability CVE-2016-2107


Published: 2016-05-04   Modified: 2016-05-05

Description:
The AES-NI implementation in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h does not consider memory allocation during a certain padding check, which allows remote attackers to obtain sensitive cleartext information via a padding-oracle attack against an AES CBC session. NOTE: this vulnerability exists because of an incorrect fix for CVE-2013-0169.

Type:

CWE-310

(Cryptographic Issues)

CVSS2 => (AV:N/AC:H/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.6/10
2.9/10
4.9/10
Exploit range
Attack complexity
Authentication
Remote
High
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux hpc node 
Redhat -> Enterprise linux hpc node eus 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux server aus 
Redhat -> Enterprise linux server eus 
Redhat -> Enterprise linux workstation 
Opensuse -> LEAP 
Opensuse -> Opensuse 
Openssl -> Openssl 
Novell -> LEAP 
Novell -> Opensuse 
HP -> Helion openstack 
Google -> Android 

 References:
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183457.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183607.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184605.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00013.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00014.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00016.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00019.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00019.html
http://packetstormsecurity.com/files/136912/Slackware-Security-Advisory-openssl-Updates.html
http://rhn.redhat.com/errata/RHSA-2016-0722.html
http://rhn.redhat.com/errata/RHSA-2016-0996.html
http://rhn.redhat.com/errata/RHSA-2016-2073.html
http://rhn.redhat.com/errata/RHSA-2016-2957.html
http://source.android.com/security/bulletin/2016-07-01.html
http://support.citrix.com/article/CTX212736
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160504-openssl
http://web-in-security.blogspot.ca/2016/05/curious-padding-oracle-in-openssl-cve.html
http://www.debian.org/security/2016/dsa-3566
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.securityfocus.com/bid/89760
http://www.securityfocus.com/bid/91787
http://www.securitytracker.com/id/1035721
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.542103
http://www.ubuntu.com/usn/USN-2959-1
https://blog.cloudflare.com/yet-another-padding-oracle-in-openssl-cbc-ciphersuites/
https://bto.bluecoat.com/security-advisory/sa123
https://git.openssl.org/?p=openssl.git;a=commit;h=68595c0c2886e7942a14f98c17a55a88afb6c292
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03726en_us
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03728en_us
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03756en_us
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03765en_us
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05164862
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05386804
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40202
https://kc.mcafee.com/corporate/index?page=content&id=SB10160
https://security.gentoo.org/glsa/201612-16
https://security.netapp.com/advisory/ntap-20160504-0001/
https://support.apple.com/HT206903
https://www.exploit-db.com/exploits/39768/
https://www.freebsd.org/security/advisories/FreeBSD-SA-16:17.openssl.asc
https://www.openssl.org/news/secadv/20160503.txt
https://www.tenable.com/security/tns-2016-18

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