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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:88765
[Eng]
Version
1
Class
vulnerability
ALTXid
259599
Language
Russian
Severity
Medium
Title
openSUSE -- уязвимость в kernel-syms (CVE-2018-1000204)
Description
В продукте kernel-syms обнаружена уязвимость CVE-2018-1000204.
Family
unix
Platform
openSUSE Leap 15.0
Product
kernel-syms
Reference
CVE: CVE-2018-1000204
CVE: CVE-2018-1000204
Id:
CVE-2018-1000204
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000204
Comment
: ** DISPUTED ** Linux Kernel version 3.18 to 4.16 incorrectly handles an SG_IO ioctl on /dev/sg0 with dxfer_direction=SG_DXFER_FROM_DEV and an empty 6-byte cmdp. This may lead to copying up to 1000 kernel heap pages to the userspace. This has been fixed upstream in https://github.com/torvalds/linux/commit/a45b599ad808c3c982fdcdc12b0b8611c2f92824 already. The problem has limited scope, as users don't usually have permissions to access SCSI devices. On the other hand, e.g. the Nero user manual suggests doing `chmod o+r+w /dev/sg*` to make the devices accessible. NOTE: third parties dispute the relevance of this report, noting that the requirement for an attacker to have both the CAP_SYS_ADMIN and CAP_SYS_RAWIO capabilities makes it "virtually impossible to exploit."
CVSSv2 Score:
6.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
SINGLE
Confidentiality impact:
COMPLETE
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:M/Au:S/C:C/I:N/A:N
CVSSv3 Score:
5.3
Attack vector:
NETWORK
Attack complexity:
HIGH
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
References:
openSUSE-SU-2019:1407 (SUSE)
http://www.openwall.com/lists/oss-security/2018/06/26/3 (MISC)
RHSA-2018:2948 (REDHAT)
https://github.com/torvalds/linux/commit/a45b599ad808c3c982fdcdc12b0b8611c2f92824 (CONFIRM)
[debian-lts-announce] 20180714 [SECURITY] [DLA 1422-1] linux security update (MLIST)
[debian-lts-announce] 20180715 [SECURITY] [DLA 1422-2] linux security update (MLIST)
[debian-lts-announce] 20180718 [SECURITY] [DLA 1423-1] linux-4.9 new package (MLIST)
USN-3696-1 (UBUNTU)
USN-3696-2 (UBUNTU)
USN-3752-1 (UBUNTU)
USN-3752-2 (UBUNTU)
USN-3752-3 (UBUNTU)
USN-3754-1 (UBUNTU)
VENDOR: openSUSE-SU-2018:2119-1
VENDOR: openSUSE-SU-2018:2119-1
Id:
openSUSE-SU-2018:2119-1
Reference:
http://lists.opensuse.org/opensuse-security-announce/2018-07/msg00036.html
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