Amazon Linux AMI update for nss-softokn

Published: 2024-01-23

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2023-5388
CWE-ID	CWE-385
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Amazon Linux AMI Operating systems & Components / Operating system nss-softokn Operating systems & Components / Operating system package or component
Vendor	Amazon Web Services

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Covert timing channel

EUVDB-ID: #VU85267

Risk: Medium

CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-5388

CWE-ID: CWE-385 - Covert Timing Channel

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to insufficient fix for #VU84108 (CVE-2023-4421). A remote attacker can perform Marvin attack and gain access to sensitive information.

Mitigation

Update the affected packages:

i686:
    nss-softokn-freebl-devel-3.53.1-6.49.amzn1.i686
    nss-softokn-freebl-3.53.1-6.49.amzn1.i686
    nss-softokn-devel-3.53.1-6.49.amzn1.i686
    nss-softokn-debuginfo-3.53.1-6.49.amzn1.i686
    nss-softokn-3.53.1-6.49.amzn1.i686

src:
    nss-softokn-3.53.1-6.49.amzn1.src

x86_64:
    nss-softokn-debuginfo-3.53.1-6.49.amzn1.x86_64
    nss-softokn-freebl-devel-3.53.1-6.49.amzn1.x86_64
    nss-softokn-devel-3.53.1-6.49.amzn1.x86_64
    nss-softokn-freebl-3.53.1-6.49.amzn1.x86_64
    nss-softokn-3.53.1-6.49.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

nss-softokn: before 3.53.1-6.49

External links

http://alas.aws.amazon.com/ALAS-2024-1907.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.