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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:130424
[Eng]
Version
6
Class
patch
ALTXid
322935
Language
Russian
Severity
High
Title
Обновление RHSA-2020:1524 : устранение уязвимостей в kernel
Description
kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow (CVE-2019-17666)
kernel: offset2lib allows for the stack guard page to be jumped over (CVE-2017-1000371).
Family
unix
Platform
CentOS Linux 6
Red Hat Enterprise Linux 6
Product
kernel
Reference
VENDOR: RHSA-2020:1524
VENDOR: RHSA-2020:1524
Id:
RHSA-2020:1524
Reference:
https://access.redhat.com/errata/RHSA-2020:1524
CVE: CVE-2017-1000371
CVE: CVE-2017-1000371
Id:
CVE-2017-1000371
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000371
Comment
: The offset2lib patch as used by the Linux Kernel contains a vulnerability, if RLIMIT_STACK is set to RLIM_INFINITY and 1 Gigabyte of memory is allocated (the maximum under the 1/4 restriction) then the stack will be grown down to 0x80000000, and as the PIE binary is mapped above 0x80000000 the minimum distance between the end of the PIE binary's read-write segment and the start of the stack becomes small enough that the stack guard page can be jumped over by an attacker. This affects Linux Kernel version 4.11.5. This is a different issue than CVE-2017-1000370 and CVE-2017-1000365. This issue appears to be limited to i386 based systems.
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
References:
DSA-3981 (DEBIAN)
99131 (BID)
https://access.redhat.com/security/cve/CVE-2017-1000371 (CONFIRM)
42273 (EXPLOIT-DB)
42276 (EXPLOIT-DB)
https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt (MISC)
CVE: CVE-2019-17666
CVE: CVE-2019-17666
Id:
CVE-2019-17666
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17666
Comment
: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel through 5.3.6 lacks a certain upper-bound check, leading to a buffer overflow.
CVSSv2 Score:
8.3
Access vector:
ADJACENT_NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:A/AC:L/Au:N/C:C/I:C/A:C
CVSSv3 Score:
8.8
Attack vector:
ADJACENT_NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'))
References:
https://lkml.org/lkml/2019/10/16/1226 (MISC)
https://twitter.com/nicowaisman/status/1184864519316758535 (MISC)
https://arstechnica.com/information-technology/2019/10/unpatched-linux-flaw-may-let-attackers-crash-or-compromise-nearby-devices/ (MISC)
openSUSE-SU-2019:2392 (SUSE)
https://security.netapp.com/advisory/ntap-20191031-0005/ (CONFIRM)
openSUSE-SU-2019:2444 (SUSE)
USN-4184-1 (UBUNTU)
USN-4185-1 (UBUNTU)
USN-4186-1 (UBUNTU)
USN-4183-1 (UBUNTU)
USN-4186-2 (UBUNTU)
[debian-lts-announce] 20200118 [SECURITY] [DLA 2068-1] linux security update (MLIST)
RHSA-2020:0328 (REDHAT)
RHSA-2020:0339 (REDHAT)
RHSA-2020:0543 (REDHAT)
[debian-lts-announce] 20200302 [SECURITY] [DLA 2114-1] linux-4.9 security update (MLIST)
RHSA-2020:0661 (REDHAT)
RHSA-2020:0740 (REDHAT)
FEDORA-2019-6a67ff8793 ()
CESA-2020:1524: CESA-2020:1524
CESA-2020:1524: CESA-2020:1524
Id:
CESA-2020:1524
Reference:
http://lists.centos.org/pipermail/centos-announce/2020-April/035703.html
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