#VU77552 Information disclosure in OpenSSL - CVE-2015-3195
Vulnerability identifier: #VU77552
Vulnerability risk: Medium
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-200
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
OpenSSL
Server applications /
Encryption software
Vendor: OpenSSL Software Foundation
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists in the ASN1_TFLG_COMBINE implementation in crypto/asn1/tasn_dec.c in OpenSSL. A remote attacker can gain unauthorized access to sensitive information from process memory by triggering a decoding failure in a PKCS#7 or CMS application.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
OpenSSL: before 0.9.8zh, 1.0.0t, 1.0.1q, 1.0.2e, 0.9.8zh, 0.9.8zh, 0.9.8zh, 0.9.8zh
External links
https://openssl.org/news/secadv/20151203.txt
https://git.openssl.org/?p=openssl.git;a=commit;h=cc598f321fbac9c04da5766243ed55d55948637d
https://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
https://support.apple.com/HT206167
https://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40100
https://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
https://marc.info/?l=bugtraq&m=145382583417444&w=2
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05111017
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05131085
https://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
https://www.securityfocus.com/bid/91787
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944173
https://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
https://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
https://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
https://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
https://www.securityfocus.com/bid/78626
https://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html
https://fortiguard.com/advisory/openssl-advisory-december-2015
https://lists.opensuse.org/opensuse-security-announce/2016-03/msg00017.html
https://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10733
https://www.fortiguard.com/advisory/openssl-advisory-december-2015
https://lists.opensuse.org/opensuse-updates/2015-12/msg00087.html
https://lists.fedoraproject.org/pipermail/package-announce/2015-December/173801.html
https://www.debian.org/security/2015/dsa-3413
https://lists.opensuse.org/opensuse-updates/2015-12/msg00071.html
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151204-openssl
https://rhn.redhat.com/errata/RHSA-2015-2617.html
https://rhn.redhat.com/errata/RHSA-2015-2616.html
https://www.ubuntu.com/usn/USN-2830-1
https://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.754583
https://lists.opensuse.org/opensuse-updates/2015-12/msg00070.html
https://lists.opensuse.org/opensuse-updates/2015-12/msg00103.html
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05398322
https://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
https://www.securitytracker.com/id/1034294
https://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
https://rhn.redhat.com/errata/RHSA-2016-2957.html
https://rhn.redhat.com/errata/RHSA-2016-2056.html
https://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
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.
