Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2022-23852 |
CWE-ID | CWE-190 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software |
Amazon Linux AMI Operating systems & Components / Operating system |
Vendor | Amazon Web Services |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU59966
Risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2022-23852
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationUpdate the affected packages:
i686:Vulnerable software versions
expat-2.1.0-12.25.amzn1.i686
expat-devel-2.1.0-12.25.amzn1.i686
expat-debuginfo-2.1.0-12.25.amzn1.i686
src:
expat-2.1.0-12.25.amzn1.src
x86_64:
expat-2.1.0-12.25.amzn1.x86_64
expat-devel-2.1.0-12.25.amzn1.x86_64
expat-debuginfo-2.1.0-12.25.amzn1.x86_64
Amazon Linux AMI: All versions
CPE2.3 External linkshttps://alas.aws.amazon.com/ALAS-2022-1569.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.