Detections
Analytics
Amazon Linux AMI : expat (ALAS-2022-1570)
critical Nessus Plugin ID 158695
Language:
Synopsis
The remote Amazon Linux AMI host is missing a security update.Description
The version of expat installed on the remote host is prior to 2.1.0-12.26. It is, therefore, affected by a vulnerability as referenced in the ALAS-2022-1570 advisory.An integer overflow was found in expat. The issue occurs in storeRawNames() by abusing the m_buffer expansion logic to allow allocations very close to INT_MAX and out-of-bounds heap writes. This flaw can cause a denial of service or potentially arbitrary code execution. (CVE-2022-25315)
Tenable has extracted the preceding description block directly from the tested product security advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Run 'yum update expat' to update your system.See Also
Plugin Details
Severity: Critical
ID: 158695
File Name: ala_ALAS-2022-1570.nasl
Version: 1.4
Type: local
Agent: unix
Published: 3/8/2022
Updated: 12/11/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 5.9
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2022-25315
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:amazon:linux:expat-debuginfo, p-cpe:/a:amazon:linux:expat-devel, cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:expat
Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 3/7/2022
Vulnerability Publication Date: 2/18/2022
Reference Information
CVE: CVE-2022-25315
ALAS: 2022-1570