Amazon Linux AMI update for xmlrpc-c

1) Code Injection

EUVDB-ID: #VU60736

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-2022-25235

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to the affected application lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected packages:

i686:
    xmlrpc-c-debuginfo-1.22.04-r1934.7.amzn1.i686
    xmlrpc-c-apps-1.22.04-r1934.7.amzn1.i686
    xmlrpc-c-1.22.04-r1934.7.amzn1.i686
    xmlrpc-c-c++-1.22.04-r1934.7.amzn1.i686
    xmlrpc-c-client++-1.22.04-r1934.7.amzn1.i686
    xmlrpc-c-client-1.22.04-r1934.7.amzn1.i686
    xmlrpc-c-devel-1.22.04-r1934.7.amzn1.i686

src:
    xmlrpc-c-1.22.04-r1934.7.amzn1.src

x86_64:
    xmlrpc-c-client-1.22.04-r1934.7.amzn1.x86_64
    xmlrpc-c-client++-1.22.04-r1934.7.amzn1.x86_64
    xmlrpc-c-1.22.04-r1934.7.amzn1.x86_64
    xmlrpc-c-debuginfo-1.22.04-r1934.7.amzn1.x86_64
    xmlrpc-c-devel-1.22.04-r1934.7.amzn1.x86_64
    xmlrpc-c-c++-1.22.04-r1934.7.amzn1.x86_64
    xmlrpc-c-apps-1.22.04-r1934.7.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3

• cpe:2.3:o:amazon_web_services:amazon_linux_ami:*:*:*:*:*:*:*:*

External links

https://alas.aws.amazon.com/ALAS-2022-1585.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.