7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8 High
AI Score
Confidence
High
4.4 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
9.5%
Issue Overview:
If the HOME environment variable is unset or empty, top will read its configuration file from the current working directory without any security check. If a user runs top with HOME unset in an attacker-controlled directory, the attacker could achieve privilege escalation by exploiting one of several vulnerabilities in the config_file() function.(CVE-2018-1122)
Affected Packages:
procps-ng
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update procps-ng to update your system.
New Packages:
aarch64:
procps-ng-3.3.10-26.amzn2.aarch64
procps-ng-devel-3.3.10-26.amzn2.aarch64
procps-ng-i18n-3.3.10-26.amzn2.aarch64
procps-ng-debuginfo-3.3.10-26.amzn2.aarch64
i686:
procps-ng-3.3.10-26.amzn2.i686
procps-ng-devel-3.3.10-26.amzn2.i686
procps-ng-i18n-3.3.10-26.amzn2.i686
procps-ng-debuginfo-3.3.10-26.amzn2.i686
src:
procps-ng-3.3.10-26.amzn2.src
x86_64:
procps-ng-3.3.10-26.amzn2.x86_64
procps-ng-devel-3.3.10-26.amzn2.x86_64
procps-ng-i18n-3.3.10-26.amzn2.x86_64
procps-ng-debuginfo-3.3.10-26.amzn2.x86_64
Red Hat: CVE-2018-1122
Mitre: CVE-2018-1122
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | procps-ng | < 3.3.10-26.amzn2 | procps-ng-3.3.10-26.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | procps-ng-devel | < 3.3.10-26.amzn2 | procps-ng-devel-3.3.10-26.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | procps-ng-i18n | < 3.3.10-26.amzn2 | procps-ng-i18n-3.3.10-26.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | procps-ng-debuginfo | < 3.3.10-26.amzn2 | procps-ng-debuginfo-3.3.10-26.amzn2.aarch64.rpm |
Amazon Linux | 2 | i686 | procps-ng | < 3.3.10-26.amzn2 | procps-ng-3.3.10-26.amzn2.i686.rpm |
Amazon Linux | 2 | i686 | procps-ng-devel | < 3.3.10-26.amzn2 | procps-ng-devel-3.3.10-26.amzn2.i686.rpm |
Amazon Linux | 2 | i686 | procps-ng-i18n | < 3.3.10-26.amzn2 | procps-ng-i18n-3.3.10-26.amzn2.i686.rpm |
Amazon Linux | 2 | i686 | procps-ng-debuginfo | < 3.3.10-26.amzn2 | procps-ng-debuginfo-3.3.10-26.amzn2.i686.rpm |
Amazon Linux | 2 | x86_64 | procps-ng | < 3.3.10-26.amzn2 | procps-ng-3.3.10-26.amzn2.x86_64.rpm |
Amazon Linux | 2 | x86_64 | procps-ng-devel | < 3.3.10-26.amzn2 | procps-ng-devel-3.3.10-26.amzn2.x86_64.rpm |
7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8 High
AI Score
Confidence
High
4.4 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
9.5%