Amazon Linux AMI update for python-tornado

1) Open redirect

EUVDB-ID: #VU76397

Risk: Medium

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-28370

CWE-ID: CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

Exploit availability: No

Description

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper sanitization of user-supplied data. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.

Mitigation

Update the affected packages:

aarch64:
    python-tornado-debugsource-6.1.0-2.amzn2023.0.3.aarch64
    python3-tornado-debuginfo-6.1.0-2.amzn2023.0.3.aarch64
    python-tornado-doc-6.1.0-2.amzn2023.0.3.aarch64
    python3-tornado-6.1.0-2.amzn2023.0.3.aarch64

src:
    python-tornado-6.1.0-2.amzn2023.0.3.src

x86_64:
    python3-tornado-debuginfo-6.1.0-2.amzn2023.0.3.x86_64
    python-tornado-debugsource-6.1.0-2.amzn2023.0.3.x86_64
    python-tornado-doc-6.1.0-2.amzn2023.0.3.x86_64
    python3-tornado-6.1.0-2.amzn2023.0.3.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

python-tornado: before 6.1.0-2

CPE2.3

• cpe:2.3:o:amazon_web_services:amazon_linux_ami:*:*:*:*:*:*:*:*
• cpe:2.3:a:amazon_web_services:python-tornado:*:*:*:*:*:amazon_linux_ami:*:*

External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-239.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.