Skip to content
Fencer Vulns
high 8.1

CVE-2023-3297 json

In Ubuntu's accountsservice an unprivileged local attacker can trigger a use-after-free vulnerability in accountsservice by sending a D-Bus…

published 2023-09-01 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43972

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits
0
none known

Summary

In Ubuntu's accountsservice an unprivileged local attacker can trigger a use-after-free vulnerability in accountsservice by sending a D-Bus message to the accounts-daemon process.

Patch / fix

  • canonical accountsservice 0.6.55-0ubuntu12\~20.04.6, 22.07.5-2ubuntu1.4, 22.08.8-1ubuntu7.1, 23.13.9-2ubuntu2
  • accountsservice Ubuntu 20.04 LTS 0.6.55-0ubuntu12~20.04.6
  • accountsservice Ubuntu 22.04 LTS 22.07.5-2ubuntu1.4
  • accountsservice Ubuntu Pro 14.04 LTS 0.6.35-0ubuntu7.3+esm3
  • accountsservice Ubuntu Pro 16.04 LTS 0.6.40-2ubuntu11.6+esm1
  • accountsservice Ubuntu Pro 18.04 LTS 0.6.45-1ubuntu1.3+esm1

ubuntu advisories UBUNTU-CVE-2023-3297

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • accountsservice Azure Linux 3.0 23.13.9-1

azure linux advisories AZL-44259

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-3297 updated cvss 8.4

accountsservice: use-after-free via a D-Bus message to the accounts-daemon process

  • Red Hat Enterprise Linux 7 accountsservice, accountsservice-libs Red Hat Enterprise Linux 8 accountsservice, accountsservice-libs Red Hat Enterprise Linux 9 accountsservice, accountsservice-libs
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • securitylab.github.com https://securitylab.github.com/advisories/GHSL-2023-139_accountsservice/ referenced PoC, tagged "exploit" by a source, unverified
  • bugs.launchpad.net https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/2024182 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 8.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Canonical Ltd. AccountService

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.