Ubuntu update for pycryptodome



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-52323
CWE-ID CWE-203
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

python3-pycryptodome (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Observable discrepancy

EUVDB-ID: #VU85747

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-52323

CWE-ID: CWE-203 - Observable discrepancy

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a side-channel attack.

The vulnerability exists due to observable discrepancy, which allows the side-channel leakage for OAEP decryption. A remote attacker can perform a Manger attack and gain access to sensitive information.

Mitigation

Update the affected package pycryptodome to the latest version.

Vulnerable software versions

Ubuntu: 22.04

python3-pycryptodome (Ubuntu package): before 3.11.0+dfsg1-3ubuntu0.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6595-1


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.



###SIDEBAR###