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No exploitation reportedFix available

CVE-2023-52323

No exploitation reported by the sources we read.

  • Published2024-01-05
  • Fixed in3.19.1
  • WeaknessCWE-203

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP decryption, exploitable for a Manger attack.

Timeline

dates in UTC
  1. 2024-01-0504:15CVE publishedNVD

Versions per branch

NVD · OSV
Pycryptodome
BranchAffectedFixed in
3.19< 3.19.13.19.1
Pycryptodome pycryptodomex
BranchAffectedFixed in
3.19< 3.19.13.19.1

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • fence-agentsRocky Linux:8all versions · fixed in 0:4.2.1-129.el8
  • fence-agentsopenEuler:22.03-LTS-SP4all versions · fixed in 4.2.1-36.oe2203sp4
  • fence-agentsopenEuler:22.03-LTS-SP3all versions · fixed in 4.2.1-36.oe2203sp3
  • fence-agentsopenEuler:22.03-LTS-SP1all versions · fixed in 4.2.1-33.oe2203sp1
  • fence-agentsopenEuler:20.03-LTS-SP4all versions · fixed in 4.2.1-33.oe2003sp4
  • fence-agents-apcAlmaLinux:8all versions · fixed in 4.2.1-129.el8and 46 other packages
  • fence-virtdAlmaLinux:9all versions · fixed in 4.10.0-62.el9and 54 other packages
  • pycryptodomeDebian:14all versions · fixed in 3.20.0+dfsg-1

525 more package ranges on OSV.dev

Vendor advisories

  • CVE-2023-52323 Red Hat Product Security1,394 products fixed · 53 known affected

    pycryptodome: side-channel leakage for OAEP decryption in PyCryptodome and pycryptodomex

    fence-agents-aliyun as a component of Red Hat Enterprise Linux 7 · fence-agents-all as a component of Red Hat Enterprise Linux 7 · fence-agents-amt-ws as a component of Red Hat Enterprise Linux 7 · +50 more

  • RHSA-2024:2968 Red Hat Product Security102 products fixed

    Red Hat Security Advisory: fence-agents security and bug fix update

  • RHSA-2024:2952 Red Hat Product Security36 products fixed

    Red Hat Security Advisory: resource-agents security and bug fix update

  • RHSA-2024:2132 Red Hat Product Security187 products fixed

    Red Hat Security Advisory: fence-agents security and bug fix update

  • RHSA-2024:2010 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: Satellite 6.15.0 release

  • RHBA-2024:1416 Red Hat Product Security102 products fixed

    Red Hat Bug Fix Advisory: fence-agents update

7 more advisories

Full record on NVD

Fix

  1. Update Pycryptodome to 3.19.1
  2. Vendor fix Red Hat Product Security RHSA-2024:2968 · 102 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  3. Vendor fix Red Hat Product Security RHSA-2024:2010 · 8 productsFor details on how to apply this update, refer to: * For upgrading connected Satellite: https://access.redhat.com/documentation/en-us/red_hat_satellite/6.15/html-single/upgrading_connected_red_hat_satellite_to_6.15 * For upgrading disconnected Satellite: https://access.redhat.com/documentation/en-u…
  4. Vendor fix Red Hat Product Security RHBA-2024:1416 · 102 productsBefore applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
  5. Vendor fix Red Hat Product Security RHSA-2024:1057 · 26 productsRed Hat Ansible Automation Platform
  6. Vendor fix Red Hat Product Security RHBA-2024:0891 · 102 productsBefore applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2024-01-05
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-j225-cvw7-qrx7

Frequently asked questions

What is CVE-2023-52323?

PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP decryption, exploitable for a Manger attack.

Is CVE-2023-52323 actively exploited?

Active exploitation of CVE-2023-52323 has not been confirmed. Its EPSS score was 0.6% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-52323?

CVE-2023-52323 has a CVSS v3 base score of 5.9 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

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