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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:27982
[Eng]
Version
4
Class
patch
ALTXid
163909
Language
Russian
Severity
High
Title
ALAS-2017-855 -- обновление безопасности для sudo
Description
It was found that the original fix for CVE-2017-1000367 was incomplete. A flaw was found in the way sudo parsed tty information from the process status file in the proc filesystem.
A local user with privileges to execute commands via sudo could use this flaw to escalate their privileges to root. (CVE-2017-1000368)
Family
unix
Platform
Amazon Linux AMI
Product
sudo
Reference
VENDOR: ALAS-2017-855
VENDOR: ALAS-2017-855
Id:
ALAS-2017-855
Reference:
https://alas.aws.amazon.com/ALAS-2017-855.html
CVE: CVE-2017-1000368
CVE: CVE-2017-1000368
Id:
CVE-2017-1000368
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000368
Comment
: Todd Miller's sudo version 1.8.20p1 and earlier is vulnerable to an input validation (embedded newlines) in the get_process_ttyname() function resulting in information disclosure and command execution.
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
CWE:
20 (Improper Input Validation)
References:
98838 (BID)
RHSA-2017:1574 (REDHAT)
https://kc.mcafee.com/corporate/index?page=content&id=SB10205 (CONFIRM)
GLSA-201710-04 (GENTOO)
USN-3968-1 (UBUNTU)
USN-3968-2 (UBUNTU)
https://www.sudo.ws/alerts/linux_tty.html (CONFIRM)
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