National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-9843 Detail

Current Description

The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian CRC calculation.

Source:  MITRE      Last Modified:  05/23/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2016-9843
Original release date:
05/23/2017
Last revised:
01/04/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
9.8 Critical
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (legend)
Impact Score:
5.9
Exploitability Score:
3.9
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.5 HIGH
Vector:
(AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore:
6.4
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://lists.opensuse.org/opensuse-updates/2016-12/msg00127.html Third Party Advisory External Source SUSE openSUSE-SU-2016:3202
http://lists.opensuse.org/opensuse-updates/2017-01/msg00050.html Third Party Advisory External Source SUSE openSUSE-SU-2017:0077
http://lists.opensuse.org/opensuse-updates/2017-01/msg00053.html Third Party Advisory External Source SUSE openSUSE-SU-2017:0080
http://www.openwall.com/lists/oss-security/2016/12/05/21 Patch; Third Party Advisory; VDB Entry External Source MLIST [oss-security] 20161205 Re: CVE Request: zlib security issues found during audit
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html External Source CONFIRM http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.securityfocus.com/bid/95131 Third Party Advisory; VDB Entry External Source BID 95131
http://www.securitytracker.com/id/1039427 External Source SECTRACK 1039427
https://access.redhat.com/errata/RHSA-2017:1220 External Source REDHAT RHSA-2017:1220
https://access.redhat.com/errata/RHSA-2017:1221 External Source REDHAT RHSA-2017:1221
https://access.redhat.com/errata/RHSA-2017:1222 External Source REDHAT RHSA-2017:1222
https://access.redhat.com/errata/RHSA-2017:2999 External Source REDHAT RHSA-2017:2999
https://access.redhat.com/errata/RHSA-2017:3046 External Source REDHAT RHSA-2017:3046
https://access.redhat.com/errata/RHSA-2017:3047 External Source REDHAT RHSA-2017:3047
https://access.redhat.com/errata/RHSA-2017:3453 External Source REDHAT RHSA-2017:3453
https://bugzilla.redhat.com/show_bug.cgi?id=1402351 Issue Tracking; Patch External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=1402351
https://github.com/madler/zlib/commit/d1d577490c15a0c6862473d7576352a9f18ef811 Patch; Vendor Advisory External Source CONFIRM https://github.com/madler/zlib/commit/d1d577490c15a0c6862473d7576352a9f18ef811
https://security.gentoo.org/glsa/201701-56 Third Party Advisory External Source GENTOO GLSA-201701-56
https://support.apple.com/HT208112 External Source CONFIRM https://support.apple.com/HT208112
https://support.apple.com/HT208113 External Source CONFIRM https://support.apple.com/HT208113
https://support.apple.com/HT208115 External Source CONFIRM https://support.apple.com/HT208115
https://support.apple.com/HT208144 External Source CONFIRM https://support.apple.com/HT208144
https://wiki.mozilla.org/images/0/09/Zlib-report.pdf Exploit; Technical Description; Third Party Advisory External Source MISC https://wiki.mozilla.org/images/0/09/Zlib-report.pdf
https://wiki.mozilla.org/MOSS/Secure_Open_Source/Completed#zlib Third Party Advisory External Source MISC https://wiki.mozilla.org/MOSS/Secure_Open_Source/Completed#zlib

Technical Details

Vulnerability Type (View All)

Change History 7 change records found - show changes