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.
References (33)
Core 33
Core References
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:1221
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:1220
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:3047
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/12/05/21
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/95131
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1041888
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:3046
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2017-01/msg00050.html
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201701-56
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1039427
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:1222
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2017-01/msg00053.html
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:3453
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2016-12/msg00127.html
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2999
Mailing List mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/03/msg00027.html
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4246-1/
Mailing List mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/01/msg00030.html
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4292-1/
Vendor Advisory x_refsource_confirm
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
Vendor Advisory x_refsource_confirm
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
Vendor Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujul2020.html
Vendor Advisory x_refsource_confirm
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208144
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208113
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208112
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208115
Patch x_refsource_confirm
https://github.com/madler/zlib/commit/d1d577490c15a0c6862473d7576352a9f18ef811
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1402351
Vendor Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20181018-0002/
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202007-54
Third Party Advisory x_refsource_misc
https://wiki.mozilla.org/MOSS/Secure_Open_Source/Completed#zlib
Third Party Advisory x_refsource_misc
https://wiki.mozilla.org/images/0/09/Zlib-report.pdf
Scores
CVSS v3
9.8
EPSS
0.1507
EPSS Percentile
94.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
Status
published
Products (36)
apple/iphone_os
< 11
apple/mac_os_x
10.0.0 - 10.13.0
apple/tvos
< 11.0
apple/watchos
< 4
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
debian/debian_linux
8.0
mariadb/mariadb
5.5.0 - 5.5.62
netapp/active_iq_unified_manager
7.3
netapp/active_iq_unified_manager
9.5
... and 26 more
Published
May 23, 2017
Tracked Since
Feb 18, 2026