USN-6595-1

It was discovered that PyCryptodome had a timing side-channel when performing OAEP decryption. A remote attacker could possibly use this issue to recover sensitive information.

References

Affected packages

Ubuntu:22.04:LTS / pycryptodome

Package

Name: pycryptodome
Purl: pkg:deb/ubuntu/pycryptodome@3.11.0+dfsg1-3ubuntu0.1?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.11.0+dfsg1-3ubuntu0.1

Affected versions

3.*

3.9.7+dfsg1-1build3

3.9.7+dfsg1-1build5

3.11.0+dfsg1-3

3.11.0+dfsg1-3build1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "3.11.0+dfsg1-3ubuntu0.1",
            "binary_name": "python3-pycryptodome"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6595-1.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-52323"
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}