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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:103932
[Rus]
Version
4
Class
patch
ALTXid
287741
Language
English
Severity
Medium
Title
openSUSE-SU-2019:1725-1 -- Security update for libu2f-host, pam_u2f
Description
This update for libu2f-host and pam_u2f to version 1.0.8 fixes the security issues.
Family
unix
Platform
openSUSE Leap 15.0
Product
pam_u2f
Reference
VENDOR: openSUSE-SU-2019:1725-1
VENDOR: openSUSE-SU-2019:1725-1
Id:
openSUSE-SU-2019:1725-1
Reference:
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00018.html
CVE: CVE-2019-12209
CVE: CVE-2019-12209
Id:
CVE-2019-12209
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12209
Comment
: Yubico pam-u2f 1.0.7 attempts parsing of the configured authfile (default $HOME/.config/Yubico/u2f_keys) as root (unless openasuser was enabled), and does not properly verify that the path lacks symlinks pointing to other files on the system owned by root. If the debug option is enabled in the PAM configuration, part of the file contents of a symlink target will be logged, possibly revealing sensitive information.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE:
59 (Improper Link Resolution Before File Access ('Link Following'))
References:
https://github.com/Yubico/pam-u2f/commit/7db3386fcdb454e33a3ea30dcfb8e8960d4c3aa3 (CONFIRM)
https://developers.yubico.com/pam-u2f/Release_Notes.html (CONFIRM)
[oss-security] 20190605 pam-u2f: CVE-2019-12210: debug_file file descriptor leak, CVE-2019-12209: symlink attack on u2f_keys leading to possible information leak (MLIST)
openSUSE-SU-2019:1708 (SUSE)
openSUSE-SU-2019:1725 (SUSE)
FEDORA-2019-b6d3c8b0a8 ()
FEDORA-2019-cd8f4b9568 ()
CVE: CVE-2019-12210
CVE: CVE-2019-12210
Id:
CVE-2019-12210
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12210
Comment
: In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using debug_file, that file descriptor is not closed when a new process is spawned. This leads to the file descriptor being inherited into the child process; the child process can then read from and write to it. This can leak sensitive information and also, if written to, be used to fill the disk or plant misinformation.
CVSSv2 Score:
5.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
SINGLE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:S/C:P/I:P/A:N
CVSSv3 Score:
8.1
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
References:
https://github.com/Yubico/pam-u2f/commit/18b1914e32b74ff52000f10e97067e841e5fff62 (CONFIRM)
https://developers.yubico.com/pam-u2f/Release_Notes.html (CONFIRM)
[oss-security] 20190605 pam-u2f: CVE-2019-12210: debug_file file descriptor leak, CVE-2019-12209: symlink attack on u2f_keys leading to possible information leak (MLIST)
openSUSE-SU-2019:1708 (SUSE)
openSUSE-SU-2019:1725 (SUSE)
CVE: CVE-2019-9578
CVE: CVE-2019-9578
Id:
CVE-2019-9578
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9578
Comment
: In devs.c in Yubico libu2f-host before 1.1.8, the response to init is misparsed, leaking uninitialized stack memory back to the device.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
908 ()
References:
https://github.com/Yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6e16eb5 (MISC)
https://developers.yubico.com/libu2f-host/Release_Notes.html (MISC)
openSUSE-SU-2019:1708 (SUSE)
openSUSE-SU-2019:1725 (SUSE)
https://blog.inhq.net/posts/yubico-libu2f-host-vuln-part2/ (MISC)
GLSA-202004-15 (GENTOO)
FEDORA-2019-fe6d1fbffa ()
FEDORA-2019-4d83e78ad8 ()
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