CVE-2022-31212

Exp

An issue was discovered in dbus-broker before 31. It depends on c-uitl/c-shquote to parse the DBus service's Exec line. c-shquote contains a stack-based buffer over-read if a malicious Exec line is supplied.

Published: 2022-07-17 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-31212 is rated High Exploit Risk (71.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.74%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2022-31212

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2022-31212

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-04 0.21% 0.74% +0.53%
2 2025-11-21 0.43% 0.21% -0.23%
3 2025-11-18 — 0.43% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-31212

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2022-31212

OS Trackers for CVE-2022-31212

vendor priority summary link
debian not yet assigned CVE-2022-31212 not yet assigned priority: Debian including 1 source packages (dbus-broker), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2022-31212
gentoo low CVE-2022-31212: 1 GLSA(s) (202305-04), 1 atom(s) (sys-apps/dbus-broker); latest impact low. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2022-31212
redhat medium — https://access.redhat.com/security/cve/CVE-2022-31212
suse medium CVE-2022-31212 severity moderate: SUSE including 2 source package names (dbus-broker-28-5.1.el9_0, dbus-broker-28-bp154.2.3.1), 3 product×package rows across 3 product lines (SUSE Liberty Linux 9, SUSE Package Hub 15 SP4, openSUSE Leap 15.4): Fixed 3. https://www.suse.com/security/cve/CVE-2022-31212/
ubuntu medium CVE-2022-31212 medium priority: Ubuntu including 1 source packages (dbus-broker), 10 status rows across 10 suites (impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, upstream): not-affected 7, ignored 1, needed 1, released 1. https://ubuntu.com/security/CVE-2022-31212

Affected software / configurations for CVE-2022-31212

Vendor Product Version Raw CPE
dbus-broker_project dbus-broker < 31 cpe:2.3:a:dbus-broker_project:dbus-broker:*:*:*:*:*:*:*:*

References for CVE-2022-31212

cvelogic Threat Intelligence