Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2019-15846 |
CWE-ID | CWE-78 |
Exploitation vector | Network |
Public exploit | Public exploit code for vulnerability #1 is available. |
Vulnerable software Subscribe |
Amazon Linux AMI Operating systems & Components / Operating system |
Vendor | Amazon Web Services |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU20924
Risk: High
CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2019-15846
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to incorrect processing of trailing backslash during TLS connection. A remote unauthenticated attacker can send specially crafted command via an established TLS connection and execute arbitrary OS commands on the target system with root privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationUpdate the affected packages:
i686:Vulnerable software versions
exim-greylist-4.92-1.24.amzn1.i686
exim-pgsql-4.92-1.24.amzn1.i686
exim-mon-4.92-1.24.amzn1.i686
exim-4.92-1.24.amzn1.i686
exim-debuginfo-4.92-1.24.amzn1.i686
exim-mysql-4.92-1.24.amzn1.i686
src:
exim-4.92-1.24.amzn1.src
x86_64:
exim-pgsql-4.92-1.24.amzn1.x86_64
exim-mysql-4.92-1.24.amzn1.x86_64
exim-mon-4.92-1.24.amzn1.x86_64
exim-greylist-4.92-1.24.amzn1.x86_64
exim-debuginfo-4.92-1.24.amzn1.x86_64
exim-4.92-1.24.amzn1.x86_64
Amazon Linux AMI: All versions
External linkshttp://alas.aws.amazon.com/ALAS-2019-1277.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. However, proof of concept for this vulnerability is available.