Amazon Linux AMI update for libgcrypt



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-33560
CWE-ID CWE-203
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 medium risk vulnerability.

1) Observable discrepancy

EUVDB-ID: #VU56684

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-33560

CWE-ID: CWE-203 - Observable discrepancy

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to observable discrepancy. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Update the affected packages:

i686:
    libgcrypt-debuginfo-1.5.3-12.20.amzn1.i686
    libgcrypt-devel-1.5.3-12.20.amzn1.i686
    libgcrypt-1.5.3-12.20.amzn1.i686

src:
    libgcrypt-1.5.3-12.20.amzn1.src

x86_64:
    libgcrypt-debuginfo-1.5.3-12.20.amzn1.x86_64
    libgcrypt-devel-1.5.3-12.20.amzn1.x86_64
    libgcrypt-1.5.3-12.20.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3 External links

http://alas.aws.amazon.com/ALAS-2022-1578.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.



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