CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
91.7%
Issue Overview:
Integer overflow in exec/totemcrypto.c:authenticate_nss_2_3() function
An integer overflow leading to an out-of-bound read was found in authenticate_nss_2_3() in Corosync. An attacker could craft a malicious packet that would lead to a denial of service.(CVE-2018-1084)
Affected Packages:
corosync
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 corosync to update your system.
New Packages:
src:
corosync-2.4.3-2.amzn2.1.src
x86_64:
corosync-2.4.3-2.amzn2.1.x86_64
corosync-debuginfo-2.4.3-2.amzn2.1.x86_64
corosynclib-2.4.3-2.amzn2.1.x86_64
corosynclib-devel-2.4.3-2.amzn2.1.x86_64
corosync-qdevice-2.4.3-2.amzn2.1.x86_64
corosync-qnetd-2.4.3-2.amzn2.1.x86_64
Red Hat: CVE-2018-1084
Mitre: CVE-2018-1084
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | x86_64 | corosync | < 2.4.3-2.amzn2.1 | corosync-2.4.3-2.amzn2.1.x86_64.rpm |
Amazon Linux | 2 | x86_64 | corosync-debuginfo | < 2.4.3-2.amzn2.1 | corosync-debuginfo-2.4.3-2.amzn2.1.x86_64.rpm |
Amazon Linux | 2 | x86_64 | corosynclib | < 2.4.3-2.amzn2.1 | corosynclib-2.4.3-2.amzn2.1.x86_64.rpm |
Amazon Linux | 2 | x86_64 | corosynclib-devel | < 2.4.3-2.amzn2.1 | corosynclib-devel-2.4.3-2.amzn2.1.x86_64.rpm |
Amazon Linux | 2 | x86_64 | corosync-qdevice | < 2.4.3-2.amzn2.1 | corosync-qdevice-2.4.3-2.amzn2.1.x86_64.rpm |
Amazon Linux | 2 | x86_64 | corosync-qnetd | < 2.4.3-2.amzn2.1 | corosync-qnetd-2.4.3-2.amzn2.1.x86_64.rpm |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
91.7%